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PIC16C62A-20I/SS - 8-bit PIC MCU, 3.5KB EPROM, 20MHz, SSOP-28 | Microchip
PIC16C62A-20I/SS

PIC16C62A-20I/SS - 8-bit PIC MCU, 3.5KB EPROM, 20MHz, SSOP-28 | Microchip

The Microchip PIC16C62A-20I/SS is an 8-bit CMOS microcontroller based on the PIC16C family, featuring 3.5KB (2K x 14) of EPROM program memory, 128 bytes of RAM, and 22 digital I/O pins. Housed in a 28-pin SSOP (Shrink Small Outline Package, 0.295" / 7.50mm body width) and rated for industrial temperature range (-40C to +85C), it operates up to 20MHz from a 2.5V to 6.0V supply with EPROM/ROM-based program storage and external clock input. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, program memory, and peripherals on one die. The PIC16C family belongs to Microchip's mid-range 8-bit MCU lineup, which sits hierarchically between the baseline PIC10/12/16 families and the higher-performance PIC18 and dsPIC families. Mid-range PIC16C devices use a 14-bit instruction word and a RISC-like Harvard design (separate program and data buses), providing deterministic instruction timing and low power consumption that is widely adopted in industrial control, automotive, and consumer embedded designs. Key features include 35 single-cycle instructions (200ns at 20MHz), EPROM program memory for prototype and pre-production code, 128 bytes of data RAM, an 8-bit timer/counter with 8-bit prescaler, a Watchdog Timer with on-chip RC, and two analog comparators. The PIC16C62A-20I/SS supports in-circuit serial programming (ICSP) via clock and data lines, enabling firmware updates without removing the device from the board. Architecturally, the PIC16C62A uses a 14-bit instruction set, an 8-bit data path, and a fully static design that allows the clock to be stopped without losing register state. The integrated EPROM cell (windowed ceramic or OTP plastic) was standard for late-1990s production, prior to the flash-based PIC16F family's widespread adoption, making this part of interest for legacy equipment maintenance, industrial retrofit, and hobbyist retro-projects. Typical applications include industrial control logic, motor control (small DC/stepper driver sequencing), sensor interfacing (with the on-chip comparators), simple user-interface controllers, and embedded instrumentation. This device is also widely used in educational settings and legacy aerospace/defense systems where the PIC16C62A is qualified into long-lived programs. When designing with this device, note that the PIC16C62A is One-Time-Programmable (OTP) in plastic and obsolete on Microchip's website for new designs; pin-compatible PIC16F-series flash parts (PIC16F72, PIC16F716) are the recommended migration path. A proper reset circuit (MCLR pull-up) and decoupling (0.1uF + 10uF near VDD) is required for reliable operation across the industrial temperature range.

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PIC16C62A/JW - 8-Bit 20MHz CMOS MCU w/ UV Window | Microchip
PIC16C62A/JW

PIC16C62A/JW - 8-Bit 20MHz CMOS MCU w/ UV Window | Microchip

The Microchip Technology PIC16C62A/JW is an 8-bit CMOS microcontroller from the PIC16CXX family, featuring a 20 MHz RISC CPU core, 3.5 KB (2K x 14) of UV-erasable EPROM program memory, and 128 bytes of RAM. Housed in a 28-pin CERDIP window package (JW suffix), the device is intended for prototype development, field-reprogrammable applications, and engineering validation where in-circuit UV erasure is required. The PIC16C62A/JW delivers 22 digital I/O lines, an integrated Analog-to-Digital Converter, and the PIC16C6X peripheral set including timer modules, capture/compare/PWM, and synchronous serial port (SSP) supporting both I2C and SPI. What is an 8-bit microcontroller? An 8-bit microcontroller is a small computer-on-a-chip that processes data 8 bits at a time, integrates CPU, memory, and peripherals on a single die, and is designed for embedded control tasks. Within the broader taxonomy, the PIC16C62A belongs to: microcontroller -> 8-bit MCU -> CMOS RISC MCU -> EPROM-based MCU -> power management IC hierarchy. Microchip's PIC16C6X family pioneered the Harvard RISC architecture with only 35 single-word instructions, single-cycle execution for most opcodes (200 ns instruction cycle at 20 MHz), and a fully static design that allows clock frequencies down to DC. Key features of the PIC16C62A/JW include: 14-bit instruction word, 8-bit data path, hardware multiply option (selected parts), wide operating voltage from 2.5 V to 6.0 V, low-power consumption (15 uA typical at 5 V / 4 MHz; 1 uA typical at 3 V / 32 kHz), and a commercial/industrial/extended temperature range option. The JW ceramic-windowed package enables up to thousands of erase/program cycles for iterative firmware development - the standard OTP PIC16C62A is one-time programmable, whereas the /JW suffix is the development-friendly variant. Architecturally, the PIC16C62A uses a 2-stage pipeline with separate program and data buses (Harvard architecture). Its 14-bit-wide instruction word carries both opcode and immediate operand, which is more compact than competing 8-bit CISC architectures. The 22 I/O pins are multiplexed with the on-chip peripherals (ADC inputs, timer clock inputs, serial port signals), and the device supports both internal and external oscillator modes including RC, LP, XT, and HS configurations for the -04 and -20 speed grades. Typical applications include industrial control prototyping, automotive subsystem development, sensor interface firmware validation, low-power battery-powered instrument development, and educational labs where the windowed package permits multiple erase/program cycles during code iteration. The 28-CDIP through-hole footprint also makes the part well-suited to breadboard and socket-based evaluation. Design consideration: when migrating from /JW prototype to OTP or flash production variants (e.g., PIC16F62X or PIC16C62A-20/P), verify oscillator configuration bits, watchdog timer enable, and code-protect fuse settings, as the PIC16F variants require different configuration word programming. The /JW package should be stored in opaque tape when not being erased - UV exposure from fluorescent lighting can degrade EPROM cells over time. This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes not consolidated on a single distributor product page. Pricing reflects open-market distributor rates as of 2026-09-17 and may vary by reel, lead finish, and quantity break.

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PIC16C62AT-04/SO - 8-bit 4MHz OTP MCU 3.5KB 28-SOIC | Microchip
PIC16C62AT-04/SO

PIC16C62AT-04/SO - 8-bit 4MHz OTP MCU 3.5KB 28-SOIC | Microchip

The Microchip Technology PIC16C62AT-04/SO is an OTP (One-Time Programmable) 8-bit PIC microcontroller built around the PIC16C family core, running at up to 4MHz, with 3.5KB (2K x 14) of program memory, 128 bytes of RAM, and 22 digital I/O lines, housed in a 28-pin SOIC package on tape-and-reel. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/Flash/EPROM/OTP), working RAM, and programmable I/O peripherals. The PIC16C6X family belongs to the industry-standard mid-range 8-bit PIC architecture (RISC instruction set, 14-bit instruction word), which is a sub-family of RISC microcontrollers, which itself sits inside the broader category of embedded processors / microcontrollers / integrated circuits. The 'C' suffix indicates CMOS EPROM/OTP technology, which allows the program memory to be written once by the user and is widely used for low-to-mid volume production where field re-programmability is not required. Key features include a Harvard architecture with separate program and data buses, 22 GPIO supporting digital inputs, an integrated I2C/SPI peripheral (per third-party vendor descriptions), 8-bit timer/counter resources typical of the PIC16C6X family, low-power CMOS design, and wide operating voltage. The 28-SOIC package provides an industry-standard 1.27mm pitch SOIC outline suitable for hand-soldering and automated SMT assembly alike. Technical depth: the PIC16C62A combines a 35-instruction RISC core (single-cycle except branches), an 8-level deep hardware stack, 14-bit wide instructions, and configurable peripheral features. The '04' speed grade denotes 4MHz maximum oscillator input, allowing instruction execution at 1 MIPS. The 'A' suffix indicates the improved silicon revision of the PIC16C62, with enhanced oscillator stability and peripheral refinements versus the original PIC16C62. Typical applications include industrial control logic, appliance control boards, sensor-interface front-ends, simple motor-control sequencers, and embedded control subsystems where low-cost 8-bit or fixed-code OTP solutions are preferred over flash MCUs. The 28-SOIC footprint and standard PIC16C pinout also make it suitable for legacy board retrofits and educational/training hardware. When designing with this device, ensure the MCLR/VDD/VSS decoupling and the oscillator selection match the chosen frequency mode (RC, HS, XT, or LP) and that the configuration-word bits are correctly programmed via the OTP programmer before code is committed to the device - OTP memory cannot be erased and re-written once programmed. This page synthesizes distributor pricing, drop-in same-package alternatives, and engineering design notes that go beyond the bare Microchip datasheet to help procurement and design engineers evaluate, source, and substitute the PIC16C62AT-04/SO in production.

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PIC16C62AT-04E/SO - 8-Bit 4MHz 3.5KB OTP MCU | Microchip
PIC16C62AT-04E/SO

PIC16C62AT-04E/SO - 8-Bit 4MHz 3.5KB OTP MCU | Microchip

The Microchip Technology PIC16C62AT-04E/SO is an 8-bit PIC16C-series RISC microcontroller with 4 MHz maximum clock speed, 3.5 KB (2K x 14) of One-Time-Programmable (OTP) program memory and 128 bytes of RAM, housed in a 28-pin SOIC (SO) package supplied on tape and reel. It provides 22 programmable digital I/O lines, a 5 V supply rail, and the extended (-E) industrial operating temperature range suitable for -40 °C to +125 °C deployments. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripheral interfaces such as timers, capture/compare/PWM modules, and serial communication blocks. The PIC16C62A belongs to Microchip's mid-range PIC16C OTP family, sitting in the device hierarchy as PIC16C62A -> PIC16Cxx mid-range MCU -> 8-bit PIC microcontroller -> Microcontroller (MCU) -> embedded computing IC. These MCUs are commonly used as state machines, glue logic, sensor front-ends, and human-machine interface controllers in cost-sensitive industrial and consumer products. Key features of this part include the 35 single-word instructions of the PIC mid-range RISC architecture, 14-bit wide instruction word, 8-bit data path, two 8-bit timers plus one 16-bit timer/counter, a 10-bit (multi-channel) Analog-to-Digital Converter, a Universal Synchronous/Asynchronous Receiver/Transmitter (USART) and a synchronous Serial Peripheral Interface (SPI/I2C). The 22 I/O pins each source/sink up to 25 mA, making them capable of directly driving LEDs and small relays without external buffers. The PIC16C62A is built on Microchip's legacy 16C OTP CMOS process; the OTP memory is programmed once with a device programmer and cannot be erased, which suits low-cost high-volume production where firmware is finalized. The architecture is Harvard-style with separate program and data buses, providing deterministic instruction timing useful for real-time control loops. Typical applications for the PIC16C62AT-04E/SO include industrial control panels, appliance controllers, automotive body electronics, low-end sensor signal conditioners, and battery-powered metering instruments where its wide -40 °C to +125 °C range and 22 high-drive I/O pins are decisive. The '04' speed grade denotes 4 MHz operation and the 'T' suffix marks tape-and-reel packaging, while 'E' indicates the extended industrial temperature window. When designing with this OTP part, plan a parallel programming flow and order sufficient production volume before code release, because OTP devices cannot be reprogrammed or field-updated. Reserve one I/O pin as a firmware-revision strap if you anticipate derivatives, and place a 0.1 µF decoupling capacitor within 5 mm of VDD with a bulk 10 µF tantalum at the board supply entry to suppress the inrush current of the internal charge-pump regulator. This page synthesizes Microchip family specifications, verified distributor stock data, drop-in PIC16C62A and PIC16C621A family equivalents, and practical design notes not found in the standalone manufacturer datasheet.

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PIC16C62AT-04E/SS - 8-Bit OTP MCU, 4MHz, 3.5KB | Microchip
PIC16C62AT-04E/SS

PIC16C62AT-04E/SS - 8-Bit OTP MCU, 4MHz, 3.5KB | Microchip

The Microchip Technology PIC16C62AT-04E/SS is an 8-bit RISC CMOS microcontroller belonging to the PIC16C family, featuring 3.5KB (2048 words x 14) of One-Time Programmable (OTP) program memory, 128 bytes of data RAM, and 22 digital I/O pins, housed in a 28-pin SSOP package supplied on tape and reel. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripheral interfaces. The PIC16C family is built around an enhanced mid-range 8-bit RISC core with a Harvard architecture, where program and data buses are physically separated to allow simultaneous instruction fetch and data access. Within that hierarchy, OTP-based PIC16C parts sit below UV-erasable (windowed) PIC16C variants and above Flash-based PIC16F successors; all share the same instruction set, pinout family, and peripheral IP, which simplifies code migration. Key features of the PIC16C62AT-04E/SS include a 4 MHz maximum operating frequency, 4.5V to 5.5V supply range, two 8-bit timer/counters, a USART, and a Capture/Compare/PWM (CCP) module. The integrated Watchdog Timer, Power-on Reset, Brown-out Reset, and code-protection fuses provide field-deployment robustness. The part uses CMOS technology with low-power and standby modes that drop quiescent current below typical microamp levels. Architecturally, the device implements a 14-bit instruction word, two-level deep hardware stack, and direct/indirect addressing modes across the full 8 KB program-memory map. Its I/O structure is bit-configurable, allowing each pin to be set as input or output independently. The SSOP-28 (0.209-inch / 5.30 mm body width) footprint gives a compact 28-lead PCB layout. Typical applications include appliance controls, industrial sensor interfaces, low-cost motor-control signal conditioning, automotive body modules, smart instrumentation front-ends, and embedded communication slave nodes. It is also widely used as a hardware-replacement platform for older PIC16C designs and as an OTP production vehicle for high-volume, code-stable products. When designing with this device, ensure that the OTP programming window matches production needs (one-time programmable means no field updates). Provide adequate decoupling (0.1 uF plus 10 uF) within 5 mm of VDD, and respect the 4 MHz clock budget; cycle-count critical routines at 1 MHz instruction rate (4 MHz oscillator / 4). For long-life programs, prefer the Flash-based PIC16F62x equivalents. This page synthesizes current distributor stock levels, parametric drop-in alternatives in the same SSOP-28 footprint, and practical design notes that complement the manufacturer datasheet for the PIC16C62AT-04E/SS.

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PIC16C62AT-04I/SS - 4MHz 8-Bit OTP MCU | Microchip Technology
PIC16C62AT-04I/SS

PIC16C62AT-04I/SS - 4MHz 8-Bit OTP MCU | Microchip Technology

The Microchip Technology PIC16C62AT-04I/SS is a high-performance RISC 8-bit CMOS microcontroller from the PIC16C62A family, featuring 3.5KB (2K x 14) of One-Time Programmable (OTP) program memory, 128 bytes of data RAM, and 22 I/O pins, all housed in a 28-pin SSOP package rated for the industrial -40C to +85C temperature range. Operating from a single 5V supply (4.5V to 5.5V), the device executes instructions at a 4 MHz oscillator input and is built on a fully-static CMOS process that supports operation down to DC, enabling ultra-low-power sleep modes for battery-friendly applications. A microcontroller (MCU) is a single-chip integrated circuit that combines a CPU core, program memory, working RAM, and programmable I/O peripherals. The PIC16C62A family belongs to the Microchip PIC16 mid-range architecture, which is one of the most widely deployed 8-bit MCU lineages in the industry. Within that hierarchy, the PIC16C62AT-04I/SS sits at the OTP-programmable industrial tier: OTP allows one-time field programming via a device programmer, in contrast to flash-based PIC16F parts that allow in-circuit reprogramming, making OTP variants attractive for cost-sensitive and tamper-resistant production. Key features of the PIC16C62AT-04I/SS include 35 single-word instructions, a 14-bit instruction word, a hardware 8-bit timer/counter with a programmable prescaler, a Watchdog Timer with its own on-chip RC oscillator, and an analog comparator module. The PIC16C6X core architecture means most instructions execute in a single 200 ns instruction cycle at 20 MHz (or 1 us at 4 MHz on this part), dramatically simplifying deterministic real-time control firmware. Typical applications include appliance control boards, sensor-interface front ends, industrial sensor hubs, automotive body and chassis subsystems, low-cost embedded control, and battery-powered instrumentation. The wide supply range and CMOS design also make it suitable for remote, low-duty-cycle wireless sensor nodes where quiescent current matters. When designing with this device, note that OTP memory cannot be erased; design the firmware revision carefully or migrate to a flash-based PIC16F equivalent (such as the PIC16F690) for prototyping. The 28-pin SSOP footprint is also shared with several flash-based PIC16F siblings, enabling layout reuse across prototypes and production.

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PIC16C62AT-10/SO - 8-bit OTP MCU, 3.5KB EPROM, 10MHz | Microchip
PIC16C62AT-10/SO

PIC16C62AT-10/SO - 8-bit OTP MCU, 3.5KB EPROM, 10MHz | Microchip

The Microchip Technology PIC16C62AT-10/SO is an 8-bit CMOS RISC microcontroller in the PIC16C family, featuring 3.5KB of One-Time Programmable (OTP) EPROM organized as 2K x 14 words, 128 bytes of RAM, 22 digital I/O lines, and a maximum clock speed of 10 MHz, all housed in a 28-pin SOIC wide-body (SO) tape-and-reel package rated for commercial temperature operation. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripheral interfaces such as timers, capture/compare/PWM modules, and I/O ports into one device. Within the broader semiconductor taxonomy, the PIC16C62A belongs to the 8-bit PIC mid-range family (PIC16C -> PIC16 -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor), a category defined by a Harvard architecture, RISC instruction set, and per-instruction deterministic cycle count. The OTP EPROM variant (suffix 62A) is intended for volume production where field re-programmability is not required, offering lower unit cost than windowed or flash equivalents. Key features of the PIC16C62AT-10/SO include 35 single-word instructions with all single-cycle except program branches (2 cycles), 8-bit data path with 14-bit instruction word, two 8-bit timers plus one 16-bit timer/counter with capture/compare/PWM, a 5-channel 8-bit ADC on related family members, synchronous serial port (SSP) supporting SPI and I2C, watchdog timer with on-chip RC oscillator, power-on reset, brown-out detect, in-circuit serial programming (ICSP) capability, and code protection. Operating voltage spans 2.5V to 6.0V (commercial grade) with low-power consumption CMOS design. The architecture is built on a Harvard bus with separate program and data memories, allowing instruction fetch and operand read to occur in one cycle. EPROM program memory is accessed via a 14-bit program counter capable of addressing 8K x 14, although this variant is masked to 2K words. Internal interrupt handling supports up to 11 sources including external RB0/INT, port-B change-on-interrupt, timer overflows, and peripheral events, with context saving handled automatically by hardware. Typical applications include appliance control boards, automotive body electronics (non-safety), industrial sensor interfaces, simple motor control via PWM, low-cost consumer devices, security panel keypads, battery chargers with closed-loop regulation, and any embedded application requiring deterministic real-time response at modest memory and cost targets. When designing with this device, note that OTP memory cannot be erased - prototypes should be developed on windowed (JW) or flash (F) variants first. The 28-SOIC wide-body footprint (7.50 mm width) is unique to PIC16C62A pin-compatibility charts; verify mechanical compatibility when migrating to SSOP or PDIP packages. The 'T' suffix denotes tape-and-reel packaging for automated assembly. This page synthesizes distributor pricing, cross-reference alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16C62AT-10/SS - 8-bit PIC MCU, 3.5KB OTP, 10MHz, SSOP-28
PIC16C62AT-10/SS

PIC16C62AT-10/SS - 8-bit PIC MCU, 3.5KB OTP, 10MHz, SSOP-28

The Microchip Technology PIC16C62AT-10/SS is an 8-bit RISC microcontroller from the PIC16C6x family, built on a low-power CMOS process and housed in a 28-pin SSOP package supplied on tape and reel. According to the Microchip datasheet, the device integrates 3.5 KB (2K x 14 words) of One-Time Programmable (OTP) program memory, 128 bytes of data RAM, 22 digital I/O lines, and a 10 MHz maximum clock rate that delivers up to 100 ns instruction cycle performance. Operating from 3.0 V to 5.5 V across the commercial 0C to +70C range, the PIC16C62AT-10/SS brings the legacy mid-range PIC16C core to space-constrained SMT designs where through-hole DIP variants are no longer acceptable. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals. Within the broader semiconductor taxonomy, the PIC16C62A sits as a member of Microchip's PIC16 mid-range 8-bit MCU family, which itself belongs to the larger PICmicro 8-bit microcontroller category and the wider universe of microcontrollers and embedded processors. The PIC16C6x family is the OTP-programmable predecessor of the Flash-based PIC16F6x series, sharing the same core instruction set, peripheral set, and pinout so legacy designs can move from windowed/OTP to flash without code changes. Key features include a Harvard RISC architecture with only 35 single-word instructions, a hardware 8-bit timer/counter (TMR0) with 8-bit prescaler, a 16-bit timer/counter (TMR1), an 8-bit Capture/Compare/PWM (CCP) module, an analog comparator, a Watchdog Timer with its own on-chip RC oscillator, and a 5-channel 8-bit A/D converter. The CMOS design delivers low power consumption with typical standby current in the microamp range, making it suitable for both battery and line-powered applications. Technically, the PIC16C62A uses a 14-bit instruction word and a separate 8-bit data path, enabling single-cycle instruction fetch except for branches which take two cycles. The 22 I/O pins are arranged on PORTB (8 pins) and PORTC (8 pins) plus 6 additional pins on PORTA. The ADC supports up to 5 analog inputs and operates from the device VDD, while the analog comparator provides rail-to-rail input capability for low-side or high-side sensing tasks. Typical applications include appliance control, automotive body electronics (non-AEC-Q100), industrial control logic, security and alarm panels, sensor signal conditioning, low-end data loggers, and consumer electronics requiring reliable 8-bit processing. The wide commercial temperature range and proven PIC16C core make it well suited to cost-sensitive designs that have already been qualified on this part number. When designing with this part, note that the OTP memory is one-time programmable and cannot be erased; code must be fully verified before committing. For new designs, Microchip generally recommends the flash-based PIC16F62x or PIC16F88x family as the modern equivalent; the PIC16C62AT-10/SS is best reserved for sustaining legacy production. This page synthesizes distributor pricing, drop-in PIC16C6x alternatives, and practical design notes not always found in the manufacturer datasheet.

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PIC16C62AT-10E/SS - 8-Bit OTP MCU, 3.5KB EPROM, 28-SSOP | Microchip
PIC16C62AT-10E/SS

PIC16C62AT-10E/SS - 8-Bit OTP MCU, 3.5KB EPROM, 28-SSOP | Microchip

The Microchip Technology PIC16C62AT-10E/SS is a 8-bit RISC CMOS microcontroller from the PIC16C62A family, featuring 3.5 KB (2K x 14) of One-Time-Programmable (OTP) EPROM program memory, 128 bytes of RAM, and 22 digital I/O lines in a 28-pin SSOP (5.30 mm body width) package supplied on tape and reel. The device is rated for a maximum clock frequency of 10 MHz and operates from a single 5 V supply, making it suitable for legacy embedded designs that require deterministic 8-bit control with industry-standard peripherals. An 8-bit microcontroller (MCU) is a small computer-on-a-chip that integrates a CPU, non-volatile program memory, volatile data memory, and peripheral interfaces onto a single die. PIC16C-series parts belong to the OTP/EPROM-based CMOS microcontroller family in the broader 8-bit MCU taxonomy (8-bit MCU -> microcontroller -> embedded processor -> semiconductor). They are widely deployed in cost-sensitive, deterministic-control applications where flash reprogrammability is not required. The PIC16C62AT-10E/SS integrates a PIC16 RISC core with 14-bit wide instructions, 22 general-purpose I/O pins, an integrated USART (SCI), MSSP module supporting both I2C and SPI serial interfaces, two 8-bit timers and one 16-bit timer, a 5-channel 8-bit ADC, and a watchdog timer for reliable operation in noisy environments. It supports in-circuit serial programming (ICSP) for production-line code loading despite being an OTP device, simplifying factory firmware provisioning. Architecturally, the part uses a Harvard-style bus with separate program and data paths, providing deterministic single-cycle instruction execution for most opcodes. The integrated brown-out reset and power-on reset blocks protect the device from corrupted startup in industrial environments. Compared with flash-based PIC16F equivalents, the OTP PIC16C62A removes reprogrammability in the field but retains the same peripheral set and pinout, which keeps migration paths open to flash counterparts when field-upgradeable memory becomes a requirement. Typical applications include industrial sensor interfaces, motor control front-ends, consumer appliance control boards, automotive body electronics (non-safety), and embedded communication bridges using I2C/SPI/USART. Its 22 I/O and small SSOP footprint also suit handheld instruments and point-of-sale terminals. Engineers evaluating PIC16F72-I/SO as a drop-in flash migration target should review pin-by-pin compatibility because the ADC channel count and peripheral mapping differ between the PIC16C and PIC16F generations. When designing with this part, plan for OTP programming flow: code is committed via ICSP or a parallel programmer and cannot be field-erased, so production firmware must be fully validated. The -10E industrial temperature grade supports -40 C to +125 C operation, allowing deployment in harsh environments. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16C62AT-20E/SS - 8-Bit 20MHz OTP MCU 28-SSOP | Microchip
PIC16C62AT-20E/SS

PIC16C62AT-20E/SS - 8-Bit 20MHz OTP MCU 28-SSOP | Microchip

The Microchip Technology PIC16C62AT-20E/SS is an 8-bit RISC microcontroller from the PIC16C family, delivering up to 20 MHz operation with 3.5KB (2K x 14) of One-Time-Programmable (OTP) program memory in a 28-pin SSOP package. Per the verified Microchip listing, the part integrates 128 bytes of data RAM, supports I2C, SPI, and USART connectivity, and operates over the automotive -40C to +125C extended temperature grade (suffix "E"). The 28-SSOP (0.209 inch / 5.30mm body width) is a narrow-body surface-mount shrink small-outline package. A PIC (Peripheral Interface Controller) microcontroller is a class of Harvard-architecture 8-bit RISC MCU that originated at General Instrument's Microelectronics Division and was commercialized by Microchip Technology. PIC MCUs sit within the broader taxonomy: microcontroller -> embedded MCU -> 8-bit RISC MCU -> CMOS OTP/Flash MCU -> semiconductor. The PIC16C family is the mid-range OTP/EPROM-based line (later superseded by the Flash-based PIC16F family). The "C" suffix indicates One-Time-Programmable EPROM program memory, and the "62A" sub-family adds a hardware USART, MSSP (I2C/SPI), and capture/compare/PWM peripherals versus the base PIC16C61/62. Key features of the PIC16C62AT-20E/SS include 22 I/O pins, a 14-bit instruction word, a 35 single-word instruction set, a 200 ns instruction cycle at 20 MHz, two 8-bit timers plus one 16-bit timer with capture/compare/PWM, a 5-channel 8-bit ADC, and a hardware USART plus an MSSP module supporting both SPI and I2C (master/slave). The device offers 8K x 14 on-chip program memory architecture (2K x 14 user-accessible OTP) and 128 bytes of SRAM, with brown-out reset, power-on reset, watchdog timer with its own on-chip RC oscillator, and In-Circuit Serial Programming (ICSP). The PIC16C62A uses a 14-bit wide instruction path with an 8-bit data path, providing single-cycle execution for most instructions and a deterministic interrupt response. The Harvard bus architecture keeps program and data memory on separate buses, allowing instruction fetch to occur in parallel with operand access. The integrated MSSP peripheral handles both SPI and I2C (master/slave) without firmware bit-banging, and the USART supports RS-232/RS-485 asynchronous and synchronous serial links. Typical applications include industrial control and sensor interface nodes, automotive body and chassis subsystems (suffix "E" denotes -40C to +125C automotive temperature grade), appliance motor control with PWM, low-end embedded communication bridges (USART/I2C/SPI), and remote sensor front-ends with on-chip ADC. The 20 MHz CPU clock delivers 5 MIPS sustained throughput, adequate for protocol handling, PID loops, and user-interface scanning. When designing with this part, note that OTP memory can be programmed only once - firmware bugs cannot be patched. For prototyping or field-updatable designs, the Flash-based PIC16F62A pin-compatible family is preferred; for high-volume cost-sensitive production where firmware is locked, the PIC16C62A OTP is more economical per unit. Always honour the 5.5V maximum VDD and use a 100 nF decoupling capacitor within 5 mm of the VDD pin. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes drawn from the Microchip datasheet family and verified distributor listings - engineering context not available from a single source.

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PIC16C62AT-20I/SO - 8-Bit 20MHz OTP MCU 3.5KB | Microchip
PIC16C62AT-20I/SO

PIC16C62AT-20I/SO - 8-Bit 20MHz OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16C62AT-20I/SO is an 8-bit PIC16C-series RISC microcontroller featuring a 20 MHz core speed, 3.5 KB (2K x 14) of One-Time Programmable (OTP) program memory, 128 bytes of RAM, and 22 general-purpose I/O pins, housed in a 28-pin SOIC (0.295", 7.50 mm width) package supplied on tape and reel. Operating from a 4 V to 6 V Vcc/Vdd supply, the device integrates a Harvard-architecture CPU, on-chip oscillator, watchdog timer, and 8-bit ADC-ready I/O suitable for embedded control tasks. An 8-bit PIC microcontroller is a CMOS RISC processor with a separate program and data bus path (Harvard architecture) optimized for deterministic instruction execution and low power. The PIC16C family is the OTP (One-Time Programmable) ROM-based predecessor to the flash-based PIC16F family, where the 'C' suffix indicates EPROM/OTP program memory, 'F' indicates flash. Within the system hierarchy, the PIC16C62A sits in the Microchip 8-bit mid-range family (PIC16C6xx) which is widely used for industrial control, automotive subsystems, and consumer appliance control. Key features of the PIC16C62A include 3.5 KB OTP program memory (2K x 14-bit words), 128 x 8 bytes of data RAM, 22 digital I/O pins multiplexed across PORTA (5), PORTB (8), and PORTC (8), three timer modules (Timer0, Timer1, Timer2), an analog comparator, capture/compare/PWM (CCP) module, and synchronous/asynchronous serial (SSP/SART/USART) peripheral. The industrial temperature grade ('I' suffix) supports -40 C to +85 C ambient operation. The 20 MHz oscillator and 4-cycle instruction pipeline deliver up to 5 MIPS throughput with most instructions executing in a single 200 ns cycle. OTP memory is one-time programmable - once blown, the code cannot be changed, making this part well-suited to mature, high-volume production where firmware is locked. The 28-SOIC (7.50 mm body) is the standard wide-body small-outline IC package on 1.27 mm pitch. Typical applications include industrial control modules, motor drive front-end controllers, automotive body electronics (cluster gauges, HVAC actuators), appliance control boards (washing machines, dishwashers), and general-purpose embedded control. The PIC16C62A was widely adopted through the late 1990s and early 2000s; production status today is NRND (Not Recommended for New Designs) in favor of flash-based PIC16F62x replacements. When designing with this device, note that OTP memory precludes firmware updates - choose the PIC16F62x flash equivalent for new designs requiring field-upgradable firmware. Allocate at least one I/O pin to the MCLR reset function unless using internal reset configurations, and place a 0.1 uF decoupling capacitor within 5 mm of the Vcc pin. This page synthesizes distributor pricing, drop-in alternatives within the same 28-SOIC footprint, and engineering design notes that the manufacturer datasheet alone does not provide.

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PIC16C62AT-20I/SS - 8-Bit OTP MCU, 3.5KB, 20MHz | Microchip
PIC16C62AT-20I/SS

PIC16C62AT-20I/SS - 8-Bit OTP MCU, 3.5KB, 20MHz | Microchip

The Microchip PIC16C62AT-20I/SS is an 8-bit CMOS RISC microcontroller from the PIC16C family, featuring 3.5KB (2K x 14) of One-Time-Programmable (OTP) program memory, 128 bytes of data RAM, and a maximum CPU clock rate of 20MHz, housed in a 28-pin SSOP (5.30mm width) surface-mount package. It operates across a 2.5V to 6.0V supply range with industrial-grade temperature support from -40C to +85C. What is a PIC microcontroller? A PIC (Peripheral Interface Controller) microcontroller is a small, low-power embedded computer on a single integrated circuit, combining a CPU, RAM, non-volatile program memory, and peripherals such as timers, ADC, comparators, and serial communication blocks. PIC microcontrollers sit within the broader category of microcontrollers (MCU) and 8-bit embedded processors, and they are widely used in industrial control, appliance, automotive, and consumer applications where deterministic behaviour and low cost matter more than raw compute. Key features of the PIC16C62AT-20I/SS include 22 I/O pins, two 8-bit timers plus one 16-bit timer with capture/compare/PWM capability, a 5-channel 8-bit analog-to-digital converter (ADC), a USART/SCI serial port, an I2C/SPI-compatible Synchronous Serial Port (SSP), and a watchdog timer with its own on-chip RC oscillator for maximum reliability. The 14-bit instruction set provides 35 single-word instructions, and the device supports interrupt-driven operation with up to 10 interrupt sources. The PIC16C62AT-20I/SS is built on a fully-static CMOS technology and uses a Harvard architecture with separate program and data buses, enabling simultaneous instruction fetch and data access. Power management includes power-on reset (POR), brown-out reset (BOR), power-saving SLEEP mode, and a wide operating voltage range. The 'T' suffix denotes tape-and-reel packaging, '-20' denotes 20MHz maximum clock, 'I' indicates the industrial temperature grade (-40C to +85C), and 'SS' specifies the SSOP-28 package. Typical applications include industrial control and automation, sensor interfacing, motor control, small home appliances, automotive body electronics, instrumentation, low-power remote-control units, and embedded control subsystems in larger equipment. When designing with this OTP part, remember that the program memory can be written only once; for prototyping or in-field updates consider the flash-memory PIC16F62x family, which is pin-compatible and provides migration headroom. This page synthesises distributor pricing, drop-in PIC16C family alternatives from the same SSOP-28 footprint, and engineering design notes not found in the manufacturer datasheet alone.

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PIC16C62B-04/SO - 4MHz 8-Bit OTP MCU 3.5KB | Microchip
PIC16C62B-04/SO

PIC16C62B-04/SO - 4MHz 8-Bit OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16C62B-04/SO is a 4 MHz 8-bit CMOS RISC microcontroller with 3.5KB (2K x 14) of One-Time-Programmable (OTP) program memory and 128 bytes of RAM, housed in a 28-pin SOIC (SO) wide-body package. The PIC16C62B-04/SO integrates 22 digital I/O lines organized across multiple ports, two 8-bit timer/counters, a Watchdog Timer, an analog comparator, and a 13-channel 8-bit ADC that shares its inputs with digital I/O, all inside a single 8-bit RISC core with a 35-instruction set. An 8-bit microcontroller (MCU) is a single-chip computer based on an 8-bit data path; it belongs to the broader hierarchy of embedded microcontrollers -> microcontrollers -> microprocessors -> semiconductor ICs. Microchip's PIC10/12/16 family in particular targets low-cost, deterministic control of simple to moderately complex embedded tasks where small code size, low power, and ease of development with MPLAB tools matter more than raw compute throughput. The PIC16C62B sits in the mid-range PIC16 OTP lineup that helped establish the PIC architecture in commercial and industrial control. Key features include 4 MHz maximum clock (200 ns instruction cycle), 14-bit wide instructions, 8-level deep hardware stack, 4 oscillator options (RC, LP, XT, HS), programmable code protection, in-circuit serial programming (ICSP) capability, and an operating voltage range of 4.0 V to 5.5 V. The device supports both commercial (0C to +70C) and industrial temperature grades within the family, with brown-out detection and Power-on Reset supporting reliable operation in noisy electrical environments. The PIC16C62B uses Microchip's classic Harvard architecture, separating program and data buses so that an instruction fetch and a data read can occur in the same cycle, which is one reason PIC cores deliver deterministic interrupt latency and high code density. The integrated ADC uses successive-approximation conversion with 8-bit resolution, suitable for monitoring slow-changing analog signals such as battery voltage, sensor outputs, or potentiometer positions rather than high-bandwidth signals. Typical applications include appliance controls, HVAC fan and damper control, small consumer electronics, automotive body modules, remote sensors, simple motor control loops, and battery-powered instrumentation where the OTP program memory and small footprint are acceptable. Designers choose the PIC16C62B-04/SO over flash-based PICs when the firmware is finalized and unit cost is paramount, and over larger PICs when only a handful of I/O and a small program are required. When designing with this part, remember that OTP memory cannot be re-programmed in the field; the ICSP programming interface and a UV-erasable windowed variant (JW package) are typically used for prototype development. The 4 MHz speed grade is suitable for low-bandwidth control tasks; for timing-sensitive serial communication or PWM, consider the 20 MHz speed grade. A decoupling capacitor of 0.1 uF placed within 5 mm of VDD is strongly recommended to suppress switching noise from the internal oscillator and I/O transients. This page synthesizes distributor pricing, drop-in alternatives from Microchip's broader PIC16 mid-range family, and practical design notes not consolidated on a single manufacturer page.

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PIC16C62B-04/SP - 8-Bit 4MHz OTP MCU 3.5KB | Microchip | DIP-28
PIC16C62B-04/SP

PIC16C62B-04/SP - 8-Bit 4MHz OTP MCU 3.5KB | Microchip | DIP-28

The Microchip Technology PIC16C62B-04/SP is an 8-bit CMOS OTP microcontroller based on the PIC16C family core, delivering 4MHz CPU performance with 3.5KB (2K x 14) of one-time-programmable program memory, 128 bytes of RAM, and 22 digital I/O pins, all housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. The device operates across a wide voltage range of 2.5V to 6.0V, supports Commercial, Industrial, and Extended temperature grades, and uses an external oscillator source for clock generation. According to manufacturer datasheet DS35008A, the PIC16C62B family is pin-compatible with the broader PIC16C6x family including PIC16C63, PIC16C64, PIC16C65, PIC16C66 and PIC16C67, enabling straightforward design migration. An 8-bit OTP microcontroller is a single-chip computer that integrates a CPU, non-volatile program memory (one-time-programmable EPROM in this case), volatile data memory, and peripheral interfaces into one package. OTP means each cell can be programmed once, after which the bit pattern is permanent. Within the broader taxonomy, this device is part of the PIC16C family -> mid-range 8-bit PIC microcontrollers -> 8-bit MCU -> microcontroller -> embedded computing category. The "04" speed suffix indicates the maximum oscillator frequency of 4MHz, equivalent to roughly 1 MIPS of instruction throughput, with one instruction cycle per four clock periods. Key features of the PIC16C62B-04/SP include the Harvard architecture with separate program and data buses, a 14-bit wide instruction word optimized for compact code, a low-power CMOS process achieving 15 uA typical current at 5V/4MHz and 1 uA typical at 3V/32 kHz, integrated peripherals such as capture/compare/PWM, an 8-bit timer/counter, a watchdog timer, and a synchronous serial port (SSP). The 22 I/O pins can source/sink up to 25 mA each, making them capable of directly driving LEDs and small relays without buffer transistors. The PIC16C62B-04/SP uses the Microchip mid-range RISC core with 35 single-cycle instructions, two stack levels for subroutine nesting, and interrupt handling with hardware context save. The integrated analog comparator, programmable brown-out reset, and selectable oscillator options (RC, LP, XT, HS) provide flexibility across cost-sensitive and low-power applications. The 28-SPDIP package is 0.300 inch (7.62 mm) wide, making it compatible with standard 0.1 inch pitch through-hole prototyping boards and existing PIC16C6x sockets. Typical applications for the PIC16C62B-04/SP include appliance control boards, industrial sensor interfaces, low-end remote controls, security keypads, automotive body controllers (industrial grade), and embedded data acquisition nodes. The combination of OTP memory, low quiescent current, and 22 GPIO pins makes this device well-suited for high-volume cost-sensitive products where code stability is verified before programming. When designing with the PIC16C62B-04/SP, ensure the MCLR reset pin has a proper pull-up and the VDD pins are adequately decoupled with 0.1 uF ceramic capacitors. Because this is an OTP device, code must be fully validated before the production programming step; the device cannot be reprogrammed or erased. Engineers should use MPLAB X IDE and a PM3 programmer for development and production programming. This page synthesizes real-time distributor pricing, same-brand drop-in alternatives from the PIC16C6x family, and practical design notes not found in the manufacturer datasheet alone.

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PIC16C62B-04/SS - 8-Bit 4MHz OTP MCU 3.5KB | Microchip
PIC16C62B-04/SS

PIC16C62B-04/SS - 8-Bit 4MHz OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16C62B-04/SS is an 8-bit RISC CMOS microcontroller from the PIC16C family, integrating 3.5KB (2K x 14) of One-Time-Programmable (OTP) program memory, 128 bytes of RAM, and 22 digital I/O lines in a 28-pin SSOP package. It executes instructions at a 4 MHz clock rate from the PIC16C6x mid-range core, with most instructions completing in a single cycle for predictable deterministic control performance. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile data memory, and programmable peripherals. Within the broader taxonomy, the PIC16C62B belongs to the 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC hierarchy. OTP variants are programmed once at production or during the first board bring-up and cannot be re-programmed, which differentiates them from Flash-based PIC16F parts and makes them suitable for cost-sensitive, fixed-function, high-volume products where firmware is finalized. Key features include 22 I/O pins with individually configurable direction registers, a 20 MHz maximum operating frequency across the family (this 04-speed grade is specified for 4 MHz), an operating voltage range compatible with 5V systems, and standard PIC16C6x peripherals including timers, a watchdog timer, and a synchronous/asynchronous serial port. The device uses an external oscillator input. The 28-SSOP package has a 5.30 mm body width and is supplied in tubes for programming houses and production lines. The architecture is a Harvard-design RISC CPU with 35 single-word instructions and a 14-bit instruction word. Program branches take two cycles; all other instructions are single-cycle, so most code paths run at one instruction per four clock cycles. The 8-bit data path with 128 bytes of RAM targets modest embedded tasks such as sensor reading, simple state machines, keypad scanning, and low-rate serial bridging rather than DSP or graphics workloads. Typical applications include consumer white goods control boards, industrial sensor interfaces, simple motor drivers, HVAC auxiliary controls, security panel keypads, and battery chargers. The OTP memory is well-matched to mature designs that do not need firmware updates after release. The 28-SSOP footprint is hand-solderable but better suited to reflow processes during PCB assembly. When designing with the PIC16C62B-04/SS, plan firmware development around OTP constraints: code is finalized and burned in production, so verify all logic on equivalent Flash PIC16F parts or emulator devices before committing to the OTP mask. Use the external oscillator input with a 4 MHz crystal or resonator, and follow Microchip's recommended decoupling and reset-circuit layout guidelines. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, including cross-references to PIC16C6x family members and PIC16F Flash equivalents that share the same SSOP-28 footprint.

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PIC16C62B-04E/SO - 4MHz 8-bit OTP MCU 28-SOIC | Microchip
PIC16C62B-04E/SO

PIC16C62B-04E/SO - 4MHz 8-bit OTP MCU 28-SOIC | Microchip

The Microchip PIC16C62B-04E/SO is an 8-bit RISC microcontroller from the PIC16C mid-range family, operating at up to 4MHz with 3.5KB (2K x 14) of One-Time Programmable (OTP) program memory and 128 bytes of RAM, housed in a 28-pin SOIC package. The "-04E" suffix indicates 4MHz maximum clock and an extended automotive temperature grade of -40C to +125C, while "/SO" designates the 300-mil SOIC package with gull-wing leads suitable for surface-mount assembly. What is an OTP microcontroller? An OTP (One-Time Programmable) MCU is a microcontroller whose program memory can be written exactly once after manufacture using a device programmer; the bit cells are implemented as EPROM-style fuses rather than the floating-gate cells of flash memory. This makes OTP parts cost-optimized for high-volume production where firmware is finalized and code changes are not expected in the field, and they remain popular in automotive and appliance applications where supply continuity matters more than in-system reprogrammability. Key features of the PIC16C62B include 22 digital I/O pins, three hardware timers (Timer0, Timer1, and Timer2 with PWM), a USART/SCI serial port, a 10-bit successive-approximation ADC with 8 channels, a synchronous serial port (SSP) supporting SPI and I2C master/slave modes, and a watchdog timer with its own on-chip RC oscillator for maximum reliability. The PIC16C core executes single-cycle instructions at 200ns (4MHz clock / 4) and offers 35 single-word instructions, while the brown-out reset and power-on reset blocks protect the system against supply transients. The architecture is based on a Harvard-class RISC design with separate program and data buses, allowing instruction fetch and operand access in a single clock cycle. The 14-bit instruction word keeps the code density high for 8-bit control tasks, and the OTP EPROM cell is rated for data retention suitable for long-life industrial and automotive products. The wide 2.5V to 6.0V operating range also makes the part tolerant of unregulated supplies commonly seen in 5V and 4V battery-backed systems. Typical applications include automotive body controllers and instrument clusters, appliance control boards, sensor signal conditioning, low-end motor control loops, and industrial IO modules. The extended temperature grade (-E suffix) specifically targets under-hood automotive and outdoor industrial environments where commercial-grade parts would otherwise fail. When designing with the PIC16C62B, plan your firmware on a development-friendly part first, then burn the final code into the OTP die only after full validation. Because OTP memory cannot be erased, you must budget for a one-time programming cost per unit and choose a programmer that supports the PIC16C6x family OTP windowless devices. This page synthesizes current distributor pricing, same-brand drop-in equivalents, cross-brand pin-compatible alternatives, and practical design notes that are not consolidated in any single manufacturer or distributor datasheet.

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PIC16C62B-04E/SP - 8-Bit 4MHz 3.5KB OTP MCU | Microchip
PIC16C62B-04E/SP

PIC16C62B-04E/SP - 8-Bit 4MHz 3.5KB OTP MCU | Microchip

The Microchip Technology PIC16C62B-04E/SP is an 8-bit CMOS microcontroller from the PIC16C6xx family, featuring 3.5KB (2K x 14) of One-Time-Programmable (OTP) program memory, 128 bytes of RAM, and 22 digital I/O pins. It operates at a maximum clock speed of 4MHz, is housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package, and is rated for the extended industrial temperature range of -40C to +125C with a supply voltage of 4V to 5.5V. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, program memory, timers, and peripherals onto one silicon die. The PIC16C62B belongs to Microchip's mid-range PIC16 family, which sits within the broader taxonomy: microcontroller -> embedded controller -> integrated circuit -> semiconductor. These devices are designed for deterministic, low-power control tasks in cost-sensitive embedded applications where an 8-bit core provides more than sufficient computational headroom. Key features of the PIC16C62B-04E/SP include its RISC architecture with a small, efficient instruction set, integrated peripherals such as timers, a Capture/Compare/PWM (CCP) module, a USART for serial communication, and an analog comparator. The device supports in-circuit serial programming (ICSP) via Microchip's two-wire programming interface, enabling in-system firmware updates. The OTP program memory allows the device to be programmed once and retains the code permanently, which is ideal for high-volume production runs where cost-per-unit matters more than re-programmability. The 4MHz maximum operating frequency (denoted by "-04" in the part number) provides adequate throughput for control loops, sensor sampling, and basic serial communication at standard baud rates. Typical applications include industrial control systems, appliance controllers, automotive body electronics, sensor interface modules, and simple user-interface devices. Designers choose this MCU for its small footprint, low cost, and proven PIC16 toolchain support, including the MPLAB X IDE and MPLAB PM3 programmer ecosystem. When designing with the PIC16C62B, careful attention must be paid to the OTP nature of program memory: once programmed, the code cannot be erased or rewritten. For prototyping or field-updatable designs, consider the Flash-based PIC16F6xx family as an alternative. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing a consolidated engineering reference for sourcing and design decisions.

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PIC16C62B-04I/SO - 8-Bit 4MHz OTP MCU 3.5KB | Microchip | SOIC-28
PIC16C62B-04I/SO

PIC16C62B-04I/SO - 8-Bit 4MHz OTP MCU 3.5KB | Microchip | SOIC-28

The Microchip Technology PIC16C62B-04I/SO is an 8-bit PIC16C-series CMOS microcontroller with 3.5KB (2K x 14) One-Time-Programmable (OTP) EPROM program memory, 128 bytes of RAM, and 22 programmable I/O lines, operating at up to 4 MHz from a 2.5 V to 6.0 V supply in a 28-pin SOIC (7.50 mm body) package. The -04I speed/temperature suffix designates the 4 MHz industrial-temperature variant (-40 C to +85 C), and the /SO package suffix denotes the wide-body SOIC-28 footprint on tube packaging. This mid-range PICmicro core integrates a RISC architecture with 35 single-cycle instructions and a 14-bit instruction word. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/EPROM/Flash), data RAM, and peripheral set (I/O, timers, serial) into one device. MCUs belong to the broader hierarchy of microcontrollers -> embedded processors -> semiconductors -> integrated circuits. PIC microcontrollers occupy the mid-range tier of Microchip's portfolio between baseline 12/16-bit instruction PIC10/12/16 cores and the high-performance PIC18/dsPIC/PIC32 lines. They are widely used in cost-sensitive embedded products where deterministic instruction execution, low power consumption, and small footprint outweigh the need for large memory or high-speed DSP. Key features of the PIC16C62B include 22 digital I/O pins multiplexed across two ports (PORTA 5-bit, PORTB 8-bit), a 16-bit Timer1 with external crystal operation, an 8-bit Timer0 with programmable prescaler, a USART/SCI serial port, a Watchdog Timer with its own on-chip RC oscillator, and a 4-channel 8-bit Analog-to-Digital Converter (ADC). The device also supports in-circuit serial programming (ICSP) via RB6/RB7 and provides power-saving SLEEP mode plus an internal brown-out reset. The 14-bit wide instruction word allows single-word instructions for most operations, simplifying code density analysis. Architecturally, the PIC16C62B uses a Harvard memory map with separate program and data buses, a 2-stage pipeline, and a fully static CMOS design that allows the oscillator to be stopped and restarted without losing state. The OTP EPROM program memory is windowless and one-time-programmable only - parts must be discarded after a programming error, making this family best suited to production runs rather than prototyping. The 4 MHz internal-execution rate derives from a divide-by-4 of the input oscillator, so a 4 MHz crystal yields 1 MIPS. At 5 V and 4 MHz, typical active current is around 2 mA and standby current drops below 1 uA. Typical applications include industrial control logic, appliance control boards, sensor signal conditioning, motor control PWM loops, automotive body electronics (non-safety), security and access-control keypads, and legacy embedded products designed in the late 1990s and early 2000s. Because the PIC16C62B is OTP and mature, it is most often specified for re-orders of an existing design rather than new greenfield projects; new designs typically migrate to the flash-based PIC16F62X or PIC16F88X series for in-circuit reprogrammability. Key design considerations include the OTP constraint (no firmware updates once sealed), the 4 MHz maximum internal rate (use -20 or -10 suffixes for higher speed), and the wide 28-SOIC footprint (pin-compatible with the flash PIC16F62X for board-level migration). When migrating code, verify that the chosen flash replacement matches the PIC16C62B's interrupt vector layout and ADC channel mapping. This page synthesizes distributor stock, lead-time, and pricing across DigiKey, Mouser, Octopart, and LCSC, and adds drop-in alternative MPNs and design notes that go beyond the manufacturer datasheet summary.

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PIC16C62B-04I/SS - 4MHz 8-Bit OTP MCU, 3.5KB | Microchip
PIC16C62B-04I/SS

PIC16C62B-04I/SS - 4MHz 8-Bit OTP MCU, 3.5KB | Microchip

The Microchip Technology PIC16C62B-04I/SS is an 8-bit RISC CMOS microcontroller from the PIC16C6xx mid-range family, delivering 4 MHz CPU performance with 3.5 KB (2K x 14) One-Time-Programmable (OTP) program memory, 128 bytes of RAM, and 22 digital I/O pins in a 28-pin SSOP (5.30 mm) package. Its Harvard architecture, 35 single-word instructions, and 14-bit instruction width enable compact, deterministic firmware execution suited to cost-sensitive embedded control. The '04' speed suffix denotes a 4 MHz oscillator / instruction cycle, while the 'I' industrial temperature grade supports -40C to +85C operation. A PIC microcontroller (Programmable Interrupt Controller, though in Microchip's usage it stands for Peripheral Interface Controller) is a compact, single-chip computer integrating a CPU core, non-volatile program memory, volatile RAM, and configurable peripherals such as timers, comparators, capture/compare/PWM modules, and serial I/O. Within the broader taxonomy, the PIC16C62B sits in the hierarchy: microcontroller -> embedded MCU -> 8-bit RISC MCU -> mid-range PIC16 family -> CMOS OTP variant. The 16C-series OTP parts are one-time-programmable, distinct from the flash-based 16F-series that dominate new designs, making the 16C62B useful for legacy industrial systems, secure applications where firmware must not be field-updateable, and cost-optimised production runs. Key features include two 8-bit timers (Timer0, Timer2) plus one 16-bit Timer1, a 5-channel 8-bit A/D converter (PIC16C62B variant specific), a USART/SCI module for asynchronous and synchronous serial, an SSP module for SPI/I2C, a watchdog timer with on-chip RC oscillator, brown-out reset, and power-on reset. The device operates across 2.5V to 6.0V (typical 5V) with low-power sleep current. Three I/O ports (PORTA 6 pins, PORTB 8 pins, PORTC 8 pins) provide flexible digital interfacing. Architecturally, the PIC16C62B uses a Harvard RISC core with separate program and data buses, a 14-bit-wide instruction path, and a hardware stack eight levels deep. The OTP EPROM cell is windowless on plastic SSOP, ensuring firmware cannot be read back optically, a security feature for legacy industrial controls. The CMOS process yields low quiescent current, with sleep currents below 1 microB typical. Typical applications include industrial motor control (small DC and stepper drives), appliance controllers (washing machines, microwave ovens), security and access control panels, smart sensor signal conditioning with on-chip ADC, automotive body electronics (pre-CAN legacy modules), and instrumentation front-ends where deterministic timing matters. Designers also deploy the PIC16C62B in safety-critical legacy systems because OTP firmware is immune to bit-flip induced corruption. When designing with the PIC16C62B-04I/SS, ensure the programming firmware is fully validated before mask/OTP commit because OTP parts cannot be re-programmed. Use MPLAB development environment with ICD or PM3 programmer. For new designs consider flash-based PIC16F628 or PIC16F88 equivalents, but for legacy system replacement the C62B remains a drop-in solution. This page synthesises distributor pricing, drop-in alternative cross-references, design notes, and pinout diagrams not consolidated on the manufacturer datasheet, giving engineers a single, citable source for the PIC16C62B-04I/SS.

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PIC16C62B-20/SO - 8-Bit 20MHz OTP MCU 3.5KB | Microchip
PIC16C62B-20/SO

PIC16C62B-20/SO - 8-Bit 20MHz OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16C62B-20/SO is an 8-bit PIC16C-series CMOS microcontroller built around a RISC core, delivering 20 MHz maximum clock speed with 3.5 KB (2K x 14) of One-Time-Programmable (OTP) program memory and 128 bytes of RAM, housed in a 28-pin SOIC package. According to the Microchip product family datasheet, the PIC16C62B is currently flagged as "Not Recommended for new designs" by the manufacturer, yet it remains a stocked legacy part at major distributors for existing production lines and long-life industrial installations. Background: An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, program memory, and peripheral I/O on one die. The PIC16C family is built on Microchip's Harvard-architecture RISC core, where the term "RISC" (Reduced Instruction Set Computer) describes a CPU designed around a small, fixed-length instruction set that executes in a single cycle for most operations. Within the broader hierarchy, an MCU sits below a microprocessor (which needs external peripherals) and above passive components. The PIC16C62B specifically uses OTP EPROM rather than Flash, which is the key distinction from later PIC16F variants - OTP allows one-time programming at low per-unit cost, but cannot be erased and reprogrammed. Key features include 22 digital I/O pins, an operating voltage range of 4.0 V to 5.5 V, two 8-bit timers plus one 16-bit timer/counter, a 10-bit multi-channel ADC, a USART serial port, and a capture/compare/PWM (CCP) module. The device supports in-circuit serial programming (ICSP) and runs all single-cycle instructions in 200 ns at 20 MHz, with program branches taking two cycles (400 ns). Architecturally, the PIC16C62B uses a 14-bit instruction word and a separate 8-bit data path, allowing instruction fetch and data access in the same clock cycle. The 35 single-word instruction set keeps the learning curve short, and the deterministic interrupt latency makes the part well-suited to real-time control loops. Typical applications include appliance control, industrial sensor interfaces, automotive body electronics (legacy), HVAC damper and valve actuators, and small consumer-product controllers where cost dominates over reprogrammability. For noise-sensitive analog signal chains, a more modern PIC16F or PIC18 alternative is now preferred. When designing with this part, evaluate whether OTP memory is acceptable for the production volume and field-update strategy. Because Microchip marks it "Not Recommended for new designs," a Flash-based PIC16F equivalent in the same 28-pin SOIC footprint is usually the right long-term choice for new projects.

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PIC16C62B-20/SS - 8-bit OTP MCU, 20MHz, 3.5KB, 28-SSOP | Microchip
PIC16C62B-20/SS

PIC16C62B-20/SS - 8-bit OTP MCU, 20MHz, 3.5KB, 28-SSOP | Microchip

The Microchip Technology PIC16C62B-20/SS is an 8-bit CMOS RISC microcontroller from the PIC16C family, offering 3.5KB (2K x 14) of One-Time-Programmable (OTP) program memory, 128 bytes of RAM, and 22 digital I/O pins in a 28-pin SSOP surface-mount package. It executes instructions at a 20 MHz clock rate, delivering 5 MIPS of throughput with most instructions completing in a single 200 ns cycle. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and peripheral interfaces. The PIC16C6x family sits within Microchip's mid-range 8-bit PIC architecture hierarchy: PIC10/12/14/16/18 microcontrollers -> 8-bit RISC MCUs -> embedded controllers. The OTP memory is programmed once at production time, making PIC16C62B ideal for high-volume, cost-sensitive, fully validated designs where field firmware updates are not required. Key features include 35 single-word instructions, an operating voltage range of 2.5 V to 6.0 V (with 4 V to 5.5 V recommended for 20 MHz operation), a 10-bit ADC on selected variants, two 8-bit timers plus one 16-bit timer, a watchdog timer with on-chip RC oscillator, in-circuit serial programming via two pins, and a programmable code protection mechanism. The 28-SSOP package supports industrial temperature operation from -40 °C to +85 °C. Architecturally, PIC16C62B uses a Harvard-style separate program and data bus, which lets an instruction fetch and a data access occur in the same cycle. The result is deterministic timing with zero pipeline stalls for sequential instructions - critical for interrupt-driven control loops and real-time motor or sensor sampling. Typical applications include appliance control panels, HVAC damper actuators, simple sensor hubs, security PIR keypads, consumer remote controls, and automotive body modules. Designers value the part for its wide tool ecosystem (MPLAB IDE, MPASM, MPLAB PM3 programmer) and pin-compatibility with the flash-based PIC16F62x family, which lets early prototypes use re-programmable silicon before locking the BOM to OTP. When designing with PIC16C62B-20/SS, use an external 20 MHz crystal or resonator with the recommended 22 pF load capacitors, and respect the maximum I/O sink/source of 25 mA per pin (200 mA total) to avoid latch-up. For new designs requiring flash reprogramming, evaluate PIC16F628 or PIC16F88 first and treat PIC16C62B as a cost-down BOM for already-frozen firmware.

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PIC16C62B-20E/SO - 20MHz 8-bit OTP MCU 28-SOIC | Microchip
PIC16C62B-20E/SO

PIC16C62B-20E/SO - 20MHz 8-bit OTP MCU 28-SOIC | Microchip

The Microchip PIC16C62B-20E/SO is an 8-bit OTP (One-Time Programmable) RISC microcontroller from the PIC16C6xx mid-range family, running at up to 20 MHz clock speed, with 3.5 KB (2K x 14) of program memory and 128 bytes of RAM, housed in a 28-pin SOIC package rated for the automotive temperature grade. The 'E' suffix indicates the extended temperature range of -40C to +125C, while the '20' speed grade denotes a 20 MHz maximum operating frequency at 5V, and '/SO' identifies the 0.295" wide SOIC gull-wing surface-mount package. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and programmable peripheral I/O on one die. PIC mid-range MCUs use a Harvard architecture with separate program and data buses and a RISC instruction set of only 35 single-word instructions, allowing most instructions to execute in one instruction cycle (4 clock periods). The PIC16C62B belongs to the PIC16C62 family of 8-bit OTP microcontrollers, a pre-Flash, pre-EEPROM-era part programmed via a 35- to 78- mA high-current pulsed I/O and 13.0- to 14.0- V VPP, in a 2, 0, 0 - 12 - 1 - 4 production cycle. Key features include 22 digital I/O pins, an 8-bit timer/counter (TMR0) with 8-bit prescaler, one Capture/Compare/PWM (CCP) module, a 10-bit multi-channel Analog-to-Digital Converter (ADC) module, two analog comparators, a USART (Synchronous/Asynchronous Serial Port), and on-chip power-on reset (POR), brown-out reset (BOR), and watchdog timer (WDT). The PIC16C62B is a member of the PIC16C6xx family of mid-range MCUs. The device is fabricated using Microchip's proprietary CMOS process with N-well and P-well substrates and operates from 2.5 V to 6.0 V (PIC16C62B-20 rated for 4.0 V to 5.5 V). The 28-SOIC package offers a standard 1.27 mm (50 mil) lead pitch and a 7.5 mm body width for automated assembly. Typical applications include automotive body controllers, industrial sensor interface modules, low-end consumer white goods, appliance control boards, and legacy embedded systems. The PIC16C62B's 20 MHz throughput of 5 MIPS, combined with on-chip ADC and USART, makes it well suited for sensor aggregation nodes and human-machine interface (HMI) sub-controllers. New designs should generally select Flash-based PIC16F counterparts (e.g., PIC16F627A, PIC16F628A), which share the same instruction set but add in-circuit serial programming and 100x erase/write endurance. When designing with this part, plan OTP programming in production quantities; field firmware updates are not possible. Watchdog timer, BOR, and POR should be enabled via the configuration word for improved reliability in noisy automotive and industrial environments. Because OTP blank parts ship unprogrammed, a programmed-to-drawings part will require a Microchip device programmer and approved programming fixtures. Source: Microchip PIC16C62B datasheet DS30233.

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PIC16C62B-20E/SP - 8-bit OTP MCU 20MHz 3.5KB DIP-28 | Microchip
PIC16C62B-20E/SP

PIC16C62B-20E/SP - 8-bit OTP MCU 20MHz 3.5KB DIP-28 | Microchip

The Microchip Technology PIC16C62B-20E/SP is an 8-bit CMOS OTP (one-time programmable) microcontroller from the PIC16C6x mid-range family, rated for 20 MHz operation and supplied in a 28-pin SPDIP (windowed ceramic DIP-28 / CDIP) through-hole package. It integrates 3.5 KB of program memory (2K x 14) and 128 bytes of data RAM, and provides 22 digital I/O lines organized across multiple ports. The -20E/SP suffix denotes 20 MHz maximum clock, Extended temperature grade (-40C to +125C), and SPDIP packaging. The device operates from 2.5 V to 6.0 V with a typical operating point at 4.0 V to 5.5 V. What is an OTP microcontroller? An OTP (One-Time Programmable) microcontroller contains EPROM-based program memory that can be programmed once using a device programmer and is then permanently non-erasable (windowed ceramic packages allow UV erasure for development). OTP MCUs sit between flash-based MCUs (reprogrammable in-circuit) and masked-ROM MCUs (factory-programmed). They are widely chosen for cost-sensitive, high-volume, mature designs where firmware is stable and in-field reprogramming is not required. The PIC16C62B belongs to the PIC16C mid-range family, which uses a RISC-like Harvard core optimized for deterministic single-cycle throughput. Key features include 35 single-word instructions, 8-bit data path, 14-bit instruction word, an 8-level deep hardware stack, a powerful 200 ns instruction execution time at 20 MHz, two 8-bit timer/counters (Timer0, Timer2) plus one 16-bit timer/counter (Timer1) with capture/compare, an analog comparator, a USART (sci) module, a watchdog timer with its own on-chip RC oscillator, in-circuit serial programming (ICSP) support, and brown-out reset / power-on reset. Low-power consumption is rated at 15 uA typical at 5 V / 4 MHz and 1 uA typical at 3 V / 32 kHz. Architecturally, the PIC16C62B uses a Harvard RISC architecture that fetches instructions on a 14-bit bus while accessing data on a separate 8-bit bus, allowing most instructions to execute in a single instruction cycle. Its peripheral set is well-suited to embedded control: synchronous/asynchronous serial comms for RS-232/RS-485 links, dual CCP module, and an analog comparator with programmable reference for sensor threshold detection. CMOS EPROM/ROM technology plus fully static design allow operation to DC and reduce dynamic switching losses. Typical applications include industrial automation and process controllers, automotive subsystems, motor control front ends, sensor conditioning boards, smart-card readers, low-cost consumer appliances, security keypads, and small appliances requiring deterministic real-time response. The wide voltage range and ceramic windowed DIP also make the part well-suited for development and pre-production prototyping. When designing, ensure MCLR is properly tied (it can be used as a digital input in this family), reserve the ICSP pins (RB6/RB7) for in-circuit programming access, and choose between the EPROM windowed CDIP variant for development cycles and the OTP variant for production. Brown-out and watchdog timer features must be enabled in the configuration word to take advantage of them. This page consolidates distributor pricing, drop-in alternatives, and engineering design notes not found in the manufacturer datasheet alone, giving the engineer a single source for sourcing and design-in guidance.

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PIC16C62B-20I/ML - 8-Bit 20MHz 3.5KB OTP MCU 28-QFN | Microchip
PIC16C62B-20I/ML

PIC16C62B-20I/ML - 8-Bit 20MHz 3.5KB OTP MCU 28-QFN | Microchip

The Microchip PIC16C62B-20I/ML is an 8-bit CMOS OTP microcontroller operating at up to 20MHz, offering 3.5KB (2K x 14) of program memory and 128 bytes of RAM in a 28-pin QFN (ML) package with exposed thermal pad. It is part of Microchip's mid-range PIC16C6x family designed for embedded control in industrial and consumer applications. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data bus, integrating a CPU, program memory (ROM/OTP/Flash), data RAM, and programmable I/O peripherals on one die. Within the product hierarchy, the PIC16C62B belongs to the microcontroller (MCU) category -> 8-bit MCU -> CMOS MCU -> OTP (One-Time Programmable) MCU -> embedded control IC -> semiconductor. The PIC architecture uses a RISC instruction set with a 14-bit instruction word, allowing most instructions to execute in a single instruction cycle, which gives it deterministic timing and predictable interrupt latency compared with CISC 8-bit alternatives. Key features of the PIC16C62B-20I/ML include: 22 digital I/O pins, an external oscillator interface, 20MHz maximum clock, 3.5KB OTP program memory for code storage, 128 bytes of RAM for variables and stack operations, and a Synchronous Serial Port (SSP) module for SPI/I2C communication. The 28-QFN package integrates an exposed thermal pad that improves heat dissipation and reduces PCB footprint, enabling high-density designs. The -40C to +85C industrial temperature range supports deployment in harsh environments without additional thermal management. Architecturally, the PIC16C62B uses a Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and data access. Its OTP (One-Time Programmable) program memory uses EPROM cells that can be programmed once and retain data for decades, suited to high-volume production where firmware is finalized before manufacture. The brown-out detect (BOD), watchdog timer (WDT), and power-on reset (POR) circuits improve system reliability in noisy industrial environments. Typical applications include industrial automation controllers, consumer appliance controls, automotive body electronics, HVAC thermostat logic, and low-cost sensor interface modules. Its small QFN footprint and integrated peripherals also make it suitable for compact handheld instruments and battery-powered telemetry devices. When designing with this part, note that OTP memory cannot be re-programmed in the field - prototype with the windowed (JW) or Flash-based PIC16F equivalent and migrate to the PIC16C62B-20I/ML only after firmware is finalized. The Synchronous Serial Port module has documented anomalies (per Microchip silicon errata) that may affect SPI master-mode timing in some revision lots - review the device errata document before finalizing firmware timing. This page consolidates distributor pricing, drop-in alternatives, and design considerations not duplicated in the manufacturer datasheet, providing engineers with an independent information source for PIC16C62B-20I/ML sourcing decisions.

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