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

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

The Microchip Technology PIC16C62B-20I/SP is an 8-bit CMOS microcontroller from the PICmicro mid-range family, featuring 3.5KB (2K x 14) of One-Time Programmable EPROM program memory, 128 bytes of RAM, and 22 digital I/O lines, housed in a 28-pin SPDIP package. It executes instructions at 20 MHz clock speed with a 200 ns instruction cycle, supported by 35 single-word RISC instructions, making it suitable for embedded control applications where deterministic timing and low part cost matter. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripheral I/O on one die. Within the broader taxonomy, the PIC16C62B belongs to the 8-bit microcontroller class, within the PICmicro mid-range architecture (a Harvard RISC design with separate program and data buses), within the PIC16C OTP family, and ultimately under the Microchip PIC16 umbrella. Compared with Flash-based mid-range MCUs, OTP EPROM requires a windowed package for erasure and is therefore suited to mature, fixed-code production rather than iterative development. Key features include an instruction execution time of 200 ns at 20 MHz, an integrated 8-bit timer/counter with a 16-bit mode, a synchronous serial port (SSP) supporting SPI and I2C, a USART for asynchronous or synchronous serial communication, and a capture/compare/PWM (CCP) module. The device operates from 2.5 V to 6.0 V across commercial, industrial, and extended temperature ranges, and supports low-power operation drawing 15 µA typical at 5 V / 4 MHz and 1 µA typical at 3 V / 32 kHz in sleep mode. Architecturally, the PIC16C62B uses a Harvard RISC core with a 14-bit instruction set, 8-bit data path, hardware stack, and direct, indirect, and relative addressing modes. Its fully static design allows the clock to be stopped without losing register state. Peripherals are mapped to a common Special Function Register (SFR) bank, simplifying driver development in assembly or C compilers such as MPLAB XC8. Typical applications include appliance control, sensor signal conditioning, HVAC damper/valve control, motor control feedback loops, simple human-machine interface panels, and industrial instrumentation where OTP programming reduces per-unit cost. The wide operating voltage window also fits 5 V industrial bus nodes and battery-backed sensor nodes. Design tip: the OTP die cannot be reprogrammed, so engineers must pre-validate firmware with a JW (erasable windowed) or flash equivalent before committing to the OTP part for volume. This page combines distributor pricing, OTP-vs-Flash comparison, and design guidance not consolidated in any single manufacturer document.

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PIC16C62B/JW - 8-Bit 20MHz OTP EPROM MCU w/UV Window | Microchip
PIC16C62B/JW

PIC16C62B/JW - 8-Bit 20MHz OTP EPROM MCU w/UV Window | Microchip

The Microchip Technology PIC16C62B/JW is an 8-bit RISC CMOS microcontroller from the PIC16C6x family, featuring a 20 MHz maximum operating clock, 3.5 KB of UV-erasable EPROM program memory (organized 2K x 14), and 128 bytes of RAM, housed in a 28-pin ceramic side-brazed DIP with an integrated UV-erase window for prototype and development use. A PIC microcontroller is a RISC (Reduced Instruction Set Computer) based MCU designed around a Harvard architecture with separate program and data buses, enabling single-cycle instruction execution except for program branches. The PIC16C6x family sits within Microchip's 14-bit instruction word mid-range lineup, balancing code density, peripherals and cost. The OTP/UV-EPROM variants allow in-circuit program memory verification and erasure via ultraviolet light, making the /JW windowed package ideal for firmware iteration during early design and field-programming of small production runs. Key features of the PIC16C62B include 22 digital I/O pins, an integrated 8-bit timer/counter with 8-bit prescaler, a Watchdog Timer with dedicated on-chip RC oscillator, Power-on Reset, Brown-out Reset, and a 4-channel 8-bit Analog-to-Digital Converter. It executes 35 single-word instructions at up to 5 MIPS, supports an operating voltage range of 4.0 V to 5.5 V, and integrates power-saving Sleep mode with multiple oscillator options including crystal, ceramic resonator and RC. The PIC16C62B/JW's UV window allows repeated erasure, distinguishing it from one-time-programmable (OTP) and Flash-based PIC16F6x variants. Architecturally, the device uses a 14-bit instruction word with 8-bit data path, a hardware multiplier-free ALU optimized for control loops, and an interrupt controller supporting up to 14 sources. The 28-pin ceramic DIP with quartz window provides the highest endurance for repeated erasing - typically 1000+ erase cycles - making the /JW variant the de-facto choice for engineering development, qualification, and long-life industrial systems where firmware updates are infrequent. Typical applications include embedded industrial control, sensor interface boards, motor control signal conditioning, prototype designs before migrating to OTP/Flash variants, low-volume medical instrumentation, and aerospace prototype controllers. The /JW package is also used in educational and lab training kits where firmware is repeatedly rewritten. When designing with the PIC16C62B/JW, ensure that the device is erased under a calibrated UV lamp (e.g., 12,000 uW*sec/cm^2) before reprogramming to avoid pattern retention. The 28-pin CDIP footprint is identical to the PIC16C62B-20/SP (plastic DIP) and PIC16C62B-04/P OTP variants, allowing the PCB socket to be reused across development and production. Select the matching oscillator crystal per the datasheet's frequency-vs-voltage table and decouple VDD with a 0.1 uF ceramic capacitor placed within 5 mm of the pin.

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PIC16C62BT-04/SO - 8-bit OTP MCU 4MHz 3.5KB | Microchip
PIC16C62BT-04/SO

PIC16C62BT-04/SO - 8-bit OTP MCU 4MHz 3.5KB | Microchip

The Microchip Technology PIC16C62BT-04/SO is an 8-bit CMOS microcontroller from the PIC16C62B family with 3.5KB (2K x 14) one-time-programmable (OTP) program memory, 128 bytes of SRAM, and 22 general-purpose I/O lines, executing at up to 4MHz in a 28-pin SOIC (7.50mm width) surface-mount package supplied in tape and reel. It operates from a 5V supply and is graded for commercial temperature ranges. A microcontroller is a single integrated circuit that combines a processor core, program memory, data memory, and peripheral functions on one die. The PIC16 architecture uses a RISC instruction set with a 14-bit instruction word, sitting within the broader hierarchy of 8-bit microcontrollers, embedded processors, and integrated circuits. OTP memory means the program is written exactly once at the factory or in production, giving lower cost but no field reprogramming capability. Key features include the 4MHz maximum clock frequency (the -04 speed grade), 2K words of OTP flash-free program storage, 128 bytes of data RAM, and the PIC16 RISC core with fast, deterministic instruction execution. The 28-SOIC package provides 22 I/O pins across ports RA, RB, and RC, along with on-chip oscillator, timer, and interrupt resources typical of the PIC16C6x family. Technically, the device implements a Harvard architecture with separate program and data buses, allowing instruction fetch and data access in the same cycle. The OTP EPROM-based program memory reduces unit cost versus windowed EPROM or flash variants, which is why the T-suffix tape-and-reel version targets high-volume, frozen-firmware production runs. Typical applications include appliance control boards, industrial timers, simple motor-control sequencing, and legacy replacement sockets where 5V logic and OTP firmware security are required. Design consideration: since OTP cannot be reprogrammed, thoroughly validate firmware in the windowed or flash-compatible family members before committing to tape-and-reel OTP production. This page synthesizes verified distributor data, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16C62BT-04/SS - 8-Bit 4MHz OTP MCU 3.5KB Flash | Microchip
PIC16C62BT-04/SS

PIC16C62BT-04/SS - 8-Bit 4MHz OTP MCU 3.5KB Flash | Microchip

The Microchip Technology PIC16C62BT-04/SS is an 8-bit CMOS microcontroller from the PIC16C family, featuring 3.5KB (2K x 14) of One-Time Programmable (OTP) program memory, 128 bytes of RAM, and 22 programmable I/O pins in a 28-pin SSOP package. It operates at a 4 MHz clock speed with an instruction cycle time of 1 microsecond and supports a supply voltage range of 2.5V to 6.0V across commercial, industrial, and extended temperature grades. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data RAM, and peripherals on one die; OTP (One-Time Programmable) variants allow the user to program the device once with custom firmware using a programmer, after which the program memory is permanent. The PIC16C62B belongs to the mid-range PIC16C family, which uses a Harvard-architecture RISC CPU with 35 single-word instructions to provide deterministic single-cycle execution (except program branches, which take two cycles). This places the part in the broader microcontroller hierarchy: 8-bit MCU -> mid-range MCU -> microcontroller -> embedded controller -> semiconductor. Key features of the PIC16C62BT-04/SS include integrated I2C/SPI peripherals, a power-on reset (POR) and brown-out reset (BOR) circuit, a Watchdog Timer (WDT) with on-chip RC oscillator, and ultra-low standby current of 1 uA typical at 3V / 32 kHz. The 4 MHz designator refers to the maximum oscillator frequency; the device operates from DC to 4 MHz across the full 2.5V-6.0V VDD range. Program memory is organized as 2K x 14 words (each instruction word is 14 bits wide in the mid-range PIC core). Typical applications for the PIC16C62BT-04/SS include low-power embedded control nodes, sensor signal conditioning front-ends, simple motor and relay drivers, battery-powered consumer devices, and industrial control subsystems where the OTP memory model is acceptable for high-volume production. The 22 I/O pins can directly drive LED indicators, keypads, and small solenoids; the on-chip MSSP peripheral handles I2C and SPI communication with sensors and EEPROMs. When designing with the PIC16C62BT-04/SS, place a 0.1 uF decoupling capacitor as close as possible to the VDD pin and follow the in-circuit serial programming (ICSP) pinout if firmware updates during production are required. Because the /T suffix indicates tape-and-reel packaging and the /SS designator indicates the SSOP-28 footprint, designers should confirm the production environment supports surface-mount SSOP assembly. Note that this OTP variant cannot be reprogrammed in-circuit, so production firmware should be fully validated before programming. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone - cross-referenced against verified distributor listings as of 2026-09-17.

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PIC16C62BT-04E/SO - 8-Bit 4MHz OTP MCU 3.5KB | Microchip
PIC16C62BT-04E/SO

PIC16C62BT-04E/SO - 8-Bit 4MHz OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16C62BT-04E/SO is an 8-bit CMOS microcontroller from the PIC16C6x family, featuring a 4 MHz maximum clock speed, 3.5 KB (2K x 14) of One-Time Programmable (OTP) EPROM program memory, and 128 bytes of RAM, housed in a 28-pin SOIC package supplied on tape and reel. It operates from a 4V to 5.5V supply, supports an extended industrial temperature range of -40C to +125C, and exposes 22 general-purpose digital I/O pins plus on-chip I2C and SPI serial interfaces. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (ROM/EPROM/Flash/OTP), working RAM, peripheral interfaces, and I/O on one silicon die. PIC microcontrollers from Microchip use a RISC Harvard architecture with a small instruction set optimized for deterministic single-cycle execution, which makes them attractive for low-power and real-time embedded applications. The PIC16C62BT-04E specifically belongs to the PIC16C mid-range family (also known as PICmicro Mid-Range), a precursor to the modern PIC16F Flash-based line, and remains in production for legacy industrial designs. Key features include 35 single-word instructions, all single-cycle except program branches (two cycles), fully static operation that allows the clock to be stopped without losing state, and low power consumption: 15 uA typical at 5V/4 MHz and 1 uA typical at 3V/32 kHz. The device provides two 8-bit and one 16-bit timer/counter, a watchdog timer, and brown-out reset protection. The 28-SOIC package supports surface-mount assembly and offers stable thermal behavior for industrial environments. The PIC16C62B silicon uses CMOS EPROM-based process technology, providing one-time programmable (OTP) memory for code storage and standard CMOS peripherals. The -04E speed grade designates a 4 MHz maximum oscillator input with an extended industrial temperature grade. Because OTP EPROM cannot be electrically erased, this part is best suited to high-volume production where firmware is finalized, rather than development prototyping. Typical applications include industrial automation controllers, consumer appliance control boards, automotive body electronics, low-power remote sensor interfaces, and embedded control in white goods. The combination of small package, low quiescent current, and an established toolchain (MPLAB) supports designs where BOM cost and long-term availability are more important than flash reprogrammability. When designing with this part, note that OTP memory cannot be re-programmed in-circuit; all firmware must be verified before programming. For development, choose a Flash-based PIC16F equivalent in the same SOIC-28 footprint (for example PIC16F62x family) so that the PCB and code can be reused. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, making it easier for engineers and procurement teams to qualify a replacement or evaluate long-term supply.

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PIC16C62BT-04I/SO - 4MHz 8-Bit OTP MCU, 3.5KB | Microchip
PIC16C62BT-04I/SO

PIC16C62BT-04I/SO - 4MHz 8-Bit OTP MCU, 3.5KB | Microchip

The Microchip Technology PIC16C62BT-04I/SO 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 RAM, and 22 I/O pins, all housed in a 28-pin SOIC (SO) package. It operates from a 4V to 5.5V supply at a maximum clock speed of 4 MHz, with on-chip peripherals including PWM, a Watchdog Timer (WDT), Brown-out Detect/Reset, and Power-on Reset (POR). Connectivity is provided through an I2C bus and an SPI port. A PIC16C-series microcontroller is part of the mid-range 8-bit RISC family originally launched by Microchip in the 1990s. These devices use a Harvard architecture with separate program and data buses and execute most instructions in a single instruction cycle, enabling high throughput from modest clock rates. The 'C' suffix indicates EPROM/OTP program memory, distinguishing this family from later Flash-based PIC16F variants. Within the broader semiconductor taxonomy, the PIC16C62B belongs to the 8-bit microcontroller -> microcontroller IC -> integrated circuit hierarchy. Key features include a 35-instruction RISC instruction set (all single-cycle except program branches which take two cycles), an internal oscillator support option in related variants, and industrial-grade (-40C to +85C) operating temperature range denoted by the 'I' suffix. The '04' speed grade specifies the 4 MHz maximum oscillator input. The 28-pin SOIC package provides a compact surface-mount footprint with 0.295" (7.50 mm) body width, suitable for volume production. The architecture combines a high-performance RISC CPU with on-chip peripherals tailored for embedded control. The Harvard bus structure separates the 14-bit program memory from the 8-bit data memory, allowing simultaneous instruction fetch and operand access. Brown-out Reset, Power-on Reset, and Watchdog Timer provide robust operation in electrically noisy environments. Typical applications include industrial control systems, automotive body electronics (non-safety), consumer appliance control, sensor signal conditioning front-ends, and legacy equipment maintenance. The OTP program memory makes the PIC16C62BT-04I/SO well suited for mature high-volume products where firmware is final and Flash reprogrammability is unnecessary. When designing with this part, note that OTP memory cannot be re-programmed in-circuit - firmware must be fully validated before commitment. The 'I' temperature grade supports industrial environments but is not AEC-Q100 qualified; for automotive applications consider the PIC16F equivalent family. Pin-compatible OTP variants in the PIC16C62B series allow frequency (04/20) and temperature (I/E) flexibility. This page synthesizes distributor pricing, drop-in alternatives, and engineering comparison data not found in the manufacturer datasheet alone, providing actionable design context for sourcing and replacement decisions.

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PIC16C62BT-04I/SS - 8-Bit 4MHz OTP MCU 3.5KB | Microchip
PIC16C62BT-04I/SS

PIC16C62BT-04I/SS - 8-Bit 4MHz OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16C62BT-04I/SS is an 8-bit CMOS microcontroller based on the high-performance PIC RISC architecture, packaged in a 28-pin SSOP with 3.5KB (2K x 14) of One-Time Programmable (OTP) program memory, 128 bytes of data RAM, and 22 digital I/O lines. The device operates from a 4.0V to 5.5V supply and supports a maximum clock speed of 4MHz in the -04 speed grade (10MHz oscillator input / 4MHz instruction cycle). According to the verified web data, this part is rated ACTIVE in lifecycle status, is built on Microchip's EPROM/ROM technology, and is offered in the industrial temperature grade (the I suffix). A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and programmable I/O peripherals. The PIC16C62B family belongs to the PIC16C mid-range lineup, which sits hierarchically under Microchip's 8-bit MCU portfolio (PIC10/12/16/24) and the broader class of CMOS RISC controllers. Unlike Harvard-architecture competitors, the PIC16C series uses a 14-bit instruction word with only 35 single-word instructions to learn, all single-cycle except program branches that take two cycles. This makes the PIC16C62B family attractive for cost-sensitive, deterministic control tasks where code density and predictable interrupt latency are valued over raw throughput. Key features include a fully static design supporting DC to 20MHz operation, a wide operating voltage range from 2.5V to 6.0V across the family, low-power consumption of 15 uA typical at 5V/4MHz and 1 uA typical at 3V/32 kHz, and three timer/counter modules (Timer0, Timer1, Timer2). The 22 I/O ports can source/sink 25 mA per pin, enabling direct LED drive without external transistors. The device includes an analog comparator module, a USART for serial communication, and a Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation. Technically, the PIC16C62BT-04I/SS uses Microchip's classic EPROM/ROM process with windowed (JW) variants for prototype development. The 4MHz speed grade (suffix -04) targets DC to 4MHz instruction execution, while family members extend to 20MHz. The integrated Power-on Reset, Brown-out Reset, and Power-up Timer reduce external component count. Industrial temperature range is -40C to +85C. Typical applications include motor control, security systems, appliance control, automotive body electronics (non-safety), and industrial automation. This part is suitable for brownfield designs requiring 28-pin SSOP with OTP memory and PIC mid-range instruction set compatibility. When designing with the PIC16C62BT-04I/SS, verify the EPROM window vs OTP trade-off against your production volume. The -04 speed grade limits instruction throughput to 4 MIPS maximum, and you may need a faster grade (e.g., -20) for time-critical loops. This page synthesizes verified distributor pricing, drop-in PIC16C62B-family alternatives sourced from the Microchip cross-reference, and practical design notes that go beyond the manufacturer datasheet.

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PIC16C62BT-20/SO - 8-Bit OTP MCU 3.5KB 20MHz SOIC-28 | Microchip
PIC16C62BT-20/SO

PIC16C62BT-20/SO - 8-Bit OTP MCU 3.5KB 20MHz SOIC-28 | Microchip

The Microchip Technology PIC16C62BT-20/SO is a 20 MHz 8-bit RISC OTP (One-Time-Programmable) microcontroller in the PIC16C6x family, packaged in a 28-pin SOIC (7.50 mm body width) with 3.5 KB of program memory (2K x 14), 128 bytes of RAM, and 22 digital I/O pins. The 'B' silicon revision and 'T' tape-and-reel suffix indicate this is the production B-revision die supplied on a 7-inch or 13-inch reel, while the '20' speed grade designates a 20 MHz maximum oscillator frequency. What is an OTP microcontroller? An OTP MCU (One-Time-Programmable Microcontroller) is a microcontroller whose program memory is implemented as EPROM (Erasable PROM) that is programmable exactly once in production or in the field via a high-voltage programmer, after which the bit pattern is permanent. OTP MCUs occupy a middle ground between mask-ROM MCUs (cheapest, but require factory commitment) and flash MCUs (re-programmable in-circuit). They are widely used in cost-sensitive high-volume consumer products where the firmware is final, the bill of materials dominates the unit cost, and re-programmability is unnecessary. Key features of the PIC16C62BT-20/SO include: 35 instructions, a 14-bit instruction word, 8-bit data path, 8-level deep hardware stack, 4 oscillator options (RC, LP, XT, HS), integrated power-on reset, watchdog timer with on-chip RC oscillator, brown-out reset, programmable code protection, and a wide operating voltage range of 2.5 V to 5.5 V (commercial grade). The PIC16C6x core implements a Harvard architecture with separate program and data buses, enabling single-cycle instruction execution except for program branches. Typical applications include industrial control logic, appliance controllers, automotive body electronics (non-safety subsystems), HVAC controls, security alarm panels, smart card readers, remote-control transmitters, and battery chargers. The 22 I/O pins support direct interfacing to keypads, LED displays, character LCDs, and serial EEPROMs via I2C bit-banging or hardware USART. When designing with this part, note that OTP memory cannot be re-programmed in-circuit; firmware must be verified in a flash-based equivalent (e.g., PIC16F62x) before committing to the C-variant. The 28-SOIC package requires a 1.27 mm pitch footprint and supports hand-soldering as well as reflow processes. This page synthesizes distributor pricing, drop-in PIC16C6x family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16C62BT-20/SS - 8-Bit 20MHz OTP MCU 3.5KB | Microchip
PIC16C62BT-20/SS

PIC16C62BT-20/SS - 8-Bit 20MHz OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16C62BT-20/SS is an 8-bit RISC microcontroller from the PIC16C family, featuring a 20 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 SSOP package. The 'B' suffix denotes an enhanced mid-range core with 14-bit instruction word width, while the 'T' suffix indicates tape-and-reel packaging, and '20' specifies the 20 MHz operating frequency. A microcontroller (MCU) is a single-chip computer containing a CPU, program memory, data RAM, and peripheral interfaces such as timers, serial ports, and I/O pins. The PIC16C62BT-20/SS belongs to the PICmicro mid-range family, positioned in the 8-bit MCU hierarchy as: PIC16C62B -> PIC16C family -> PICmicro mid-range -> 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor. Mid-range PIC MCUs use a 14-bit instruction set optimized for deterministic single-cycle execution, ideal for real-time control tasks where predictable interrupt response is essential. Key features include 22 digital I/O pins multiplexed across peripheral functions, an integrated analog comparator, a capture/compare/PWM (CCP) module, a USART serial port, two 8-bit timers with one 16-bit timer, and a watchdog timer for code execution monitoring. The OTP memory allows a single programming cycle, making this part suitable for mature, low-cost production runs where firmware is finalized. Technically, the device operates from a 3.0V to 5.5V supply, draws less than 2 mA at 5V/20 MHz, and includes power-on reset, brown-out detection, and an in-circuit serial programming (ICSP) interface. The Harvard architecture separates program and data buses, enabling simultaneous instruction fetch and data access for higher throughput compared to von Neumann designs. Typical applications include appliance control, motor drive signal conditioning, automotive body electronics, industrial sensor interfaces, and legacy embedded system maintenance. The wide commercial temperature range (0C to +70C) supports indoor and protected-environment deployments. Designers should note that OTP memory cannot be reprogrammed - choose Flash-based PIC16F equivalents for development or field-updatable firmware. The SSOP-28 package suits space-constrained boards but requires careful thermal management at sustained 20 MHz operation. This page synthesizes distributor pricing from DigiKey and Mouser, drop-in alternatives within the PIC16C family, and practical design notes not aggregated in the manufacturer datasheet.

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PIC16C62BT-20E/SO - 8-Bit 20MHz OTP MCU, 3.5KB | Microchip
PIC16C62BT-20E/SO

PIC16C62BT-20E/SO - 8-Bit 20MHz OTP MCU, 3.5KB | Microchip

The Microchip Technology PIC16C62BT-20E/SO is an 8-bit RISC microcontroller from the PIC16C6x family, featuring a 20MHz CPU core, 3.5KB (2K x 14) of One-Time Programmable (OTP) program memory, and 128 bytes of data RAM, all housed in a 28-pin SOIC wide-body package. It operates from a 4.0V to 5.5V supply, exposes 22 general-purpose I/O pins, and integrates a 20MHz internal oscillator block, capture/compare/PWM peripherals, an 8-bit A/D converter with up to 8 channels, and synchronous serial ports supporting both I2C and SPI communication. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (ROM/RAM), and peripherals into one package. Within the broader semiconductor taxonomy, an MCU belongs to microcontrollers -> microcontrollers (ICs) -> integrated circuits -> semiconductors. PIC16C6x parts use Microchip's Mid-Range RISC architecture with 35 single-word instructions, making them approachable for embedded developers and a common teaching platform for assembly and C-based firmware. The 'E' suffix in PIC16C62BT-20E/SO designates the Extended industrial temperature grade (-40C to +125C), and 'T' indicates OTP (windowless, one-time programmable) memory, while the '/SO' suffix specifies the 28-pin SOIC wide-body package. Key features include 20MHz operation (200ns minimum instruction cycle), 35 single-word instructions, 14-bit wide instruction word, DC to 20MHz clock input, hardware USART/SCI, SSP module supporting SPI (master/slave) and I2C (master/slave), two 8-bit timers and one 16-bit timer/counter, watchdog timer with on-chip RC oscillator, in-circuit serial programming (ICSP) capability, and programmable code protection. The 22 I/O pins are 5V-tolerant and source/sink up to 25mA per pin. The architecture uses a Harvard-design RISC CPU with a two-stage pipeline, allowing most instructions to execute in a single 200ns cycle. Program branches take two cycles. The 14-bit-wide instruction bus separates code from data paths, while the 8-bit data bus connects RAM and peripherals through a peripheral interface. Typical applications include industrial control logic, appliance controllers, automotive body electronics, sensor signal conditioning, smart sensor interfaces, and low-power embedded I/O modules where a small RISC MCU with built-in serial connectivity replaces discrete logic. When designing with this part, ensure Vdd decoupling is placed within 5mm of the AVdd/Vdd pins with at least 0.1uF ceramic capacitance; MCLR must be tied to Vdd through a 10kohm resistor or driven by an external supervisor for reliable reset behavior. Brown-out detect (BOR) is enabled in configuration bits and must be configured to match the actual supply tolerance to avoid unintended resets. This page synthesizes distributor pricing, drop-in alternative listings from Microchip's cross-reference tool, and practical design notes not found in the manufacturer datasheet itself.

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PIC16C62BT-20E/SS - 20MHz 8-Bit OTP MCU, 3.5KB | Microchip
PIC16C62BT-20E/SS

PIC16C62BT-20E/SS - 20MHz 8-Bit OTP MCU, 3.5KB | Microchip

The Microchip Technology PIC16C62BT-20E/SS is an 8-bit RISC microcontroller in the PIC16C family, featuring a 20 MHz CPU core, 3.5 KB (2K x 14) of One-Time Programmable (OTP) program memory, and 128 bytes of data RAM, housed in a 28-pin SSOP package with 5.30 mm body width. An 8-bit microcontroller (MCU) is a self-contained computing-on-a-chip that integrates a CPU, non-volatile program memory, working RAM, and peripheral interfaces such as timers, capture/compare, and digital I/O on a single die. Within the broader taxonomy, the PIC16C62B sits in the PICmicro mid-range architecture hierarchy: PIC16C family -> PIC16 mid-range -> PIC16C62B sub-family -> 8-bit MCU -> microcontroller -> embedded controller -> semiconductor IC. The 'C' suffix indicates a CMOS, ROM/OTP-based variant intended for cost-sensitive production volumes where in-system re-programmability is not required, and the 'B' suffix denotes a second-silicon revision of the original PIC16C62 core. The PIC16C62BT-20E/SS executes 35 single-word instructions and runs at 20 MHz with a 200 ns instruction cycle, enabling deterministic control loops for embedded applications. It supports 22 digital I/O pins, three timers (Timer0, Timer1, Timer2 with PWM), a 4-channel 8-bit ADC, a synchronous serial port (SSP) for SPI/I2C, a USART, and a watchdog timer. Power consumption is optimized for 4 V to 5.5 V single-supply operation with on-chip brown-out reset and power-on reset. Architecturally, the device uses a Harvard memory structure with a separate 14-bit program bus and an 8-bit data bus, allowing simultaneous instruction fetch and data access. This reduces cycle count per instruction and improves throughput relative to von-Neumann 8-bit MCUs of the same clock speed. Typical applications include appliance control, industrial sensor interfaces, automotive body modules, lighting ballast control, and battery-powered instrumentation. The wide -40C to +125C operating range suits industrial and automotive under-hood environments. When migrating legacy designs, engineers should note that the OTP memory cannot be re-programmed; for field-upgradeable code paths, evaluate the flash-based PIC16F6xx family as an alternative.

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