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PIC16C622AT-20E/SS - 8-Bit 20MHz OTP MCU 3.5KB | Microchip
PIC16C622AT-20E/SS

PIC16C622AT-20E/SS - 8-Bit 20MHz OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16C622AT-20E/SS is an 8-bit PIC16C-series CMOS microcontroller based on the enhanced mid-range PIC16 architecture, offering 3.5KB (2K x 14) of One-Time Programmable (OTP) program memory, 128 bytes of RAM, and 13 I/O pins in a 20-pin SSOP package. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, program memory, peripherals, and I/O on one die, executing one byte (8 bits) per instruction. MCUs sit in the embedded system hierarchy above discrete logic and below SoCs/MPUs, and the PIC16C family is the classic mid-range OTP branch of Microchip's PIC portfolio. PIC16C devices use a RISC-like instruction set, Harvard memory architecture, and are ideal for cost-sensitive, small-form-factor, brown-out-tolerant embedded control where code is finalized at firmware release and not field-updatable. Key features include a 20MHz maximum clock speed, 13 digital I/O pins, an internal timer/counter, watchdog timer, power-on reset, and an operating voltage range compatible with both 3.3V and 5V rails. The 20-pin SSOP (5.30 mm body width) package is the same compact surface-mount footprint used across the PIC16C62x family, enabling PCB layout reuse when migrating between A-revision and non-A PIC16C devices. The device uses Microchip's enhanced mid-range core, which adds interrupt context saving, larger linear data memory access, and improved arithmetic semantics over the baseline mid-range. OTP program memory means the firmware is permanently written at programming time and cannot be erased, lowering unit cost versus flash equivalents for high-volume, code-final products. Typical applications include low-cost consumer appliances, white-goods control boards, simple sensor interfaces, replacement of discrete logic glue, and brown-goods remote-control units where the 3.5KB code space, 13 I/Os, and 20MHz clock cover the firmware footprint without flash overhead. When designing with this part, note that OTP memory cannot be re-programmed, so firmware must be fully validated before production programming. Because the PIC16C family is mature, confirm long-term supply with your distributor before committing to a multi-year design. This page synthesizes distributor pricing, same-package drop-in alternatives from the PIC16C family, and practical OTP design considerations not consolidated in the manufacturer datasheet.

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PIC16C622AT-20I/SO - 8-bit OTP MCU, 3.5KB, 20MHz SOIC-18
PIC16C622AT-20I/SO

PIC16C622AT-20I/SO - 8-bit OTP MCU, 3.5KB, 20MHz SOIC-18

The Microchip PIC16C622AT-20I/SO is an 8-bit CMOS OTP (One-Time-Programmable) microcontroller from the PIC16C62X family, featuring 3.5KB of program memory, 128 bytes of RAM, 13 I/O pins, and a 20 MHz maximum operating frequency in an 18-pin SOIC package with industrial temperature grade (-40C to +85C). It operates from 3.0V to 5.5V supply, integrates an 8-bit timer/counter, and provides an analog comparator module. An OTP microcontroller is a type of embedded MCU whose program memory is programmed once and is non-erasable, positioned between ROM-based mask parts (cheaper at high volume) and flash-based parts (re-programmable). In the broader taxonomy, OTP MCUs sit inside the hierarchy: microcontroller -> embedded MCU -> 8-bit MCU -> CMOS RISC MCU -> semiconductor IC. The PIC16C62X family targets cost-sensitive industrial control, appliance, and consumer applications where code stability and low unit cost outweigh the need for field re-programmability. Key features include Harvard RISC instruction set with 35 single-word instructions, 200 ns instruction cycle at 20 MHz, two 8-bit timer/counters (Timer0, Timer2), one analog comparator with programmable reference, 13 digital I/O pins with individual direction control, power-on reset (POR), brown-out reset (BOR), and watchdog timer (WDT) with on-chip RC oscillator. The device supports in-circuit serial programming (ICSP) via RB6/RB7 pins despite being OTP, enabling factory pre-programming. Architecturally, the PIC16C622A uses a 14-bit instruction word with a separate data path (Harvard architecture), enabling simultaneous instruction fetch and data access. The 8-level deep hardware stack and 4 interrupt sources provide deterministic real-time response. The on-chip RC oscillator option and internal watchdog with dedicated 38 kHz RC oscillator allow reduced BOM cost in standalone designs. Typical applications include industrial control logic, appliance controllers, security alarm panels, smart sensor interfaces, automotive body electronics (non-safety), and low-end consumer products. The wide 3-5.5V operating range and industrial -40C to +85C temperature grade suit outdoor or factory-floor deployments. When designing with this part, note that OTP memory cannot be re-programmed in-circuit. Use a flash equivalent (e.g., PIC16F628A) for prototypes. The 18-pin SOIC (300 mil body) package is footprint-compatible with several PIC16F62X family parts, simplifying migration between flash and OTP variants.

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PIC16C622AT-20I/SS - 8-Bit 20MHz 3.5KB OTP MCU | Microchip | SSOP-20
PIC16C622AT-20I/SS

PIC16C622AT-20I/SS - 8-Bit 20MHz 3.5KB OTP MCU | Microchip | SSOP-20

The Microchip Technology PIC16C622AT-20I/SS is an 8-bit OTP-programmable CMOS microcontroller from the PIC16C family, operating at up to 20 MHz and integrating 3.5 KB (2K x 14) of one-time-programmable program memory with 128 bytes of RAM in a 20-pin SSOP package. A PIC microcontroller is a RISC-based Harvard-architecture 8-bit MCU built around a small instruction set optimized for embedded control. The PIC16C series sits in the broader taxonomy as: PIC16C -> PIC16 family -> 8-bit PIC MCU -> microcontroller -> embedded processor -> semiconductor. Devices in this family use an internal watchdog timer, an internal RC oscillator option, low-power sleep mode, and a small peripheral set including a comparator and 13 digital I/O pins, making them suited to cost-sensitive consumer, appliance, and industrial control tasks. Key features of the PIC16C622AT-20I/SS include an operating voltage range of 2.5 V to 5.5 V, an industrial temperature grade of -40 C to +85 C, 13 general-purpose I/O pins, a hardware comparator peripheral, and an external interrupt capability. The '20I' speed grade denotes 20 MHz operation across the industrial temperature range, and the device supports both internal and external oscillator modes with selectable frequency ranges. The PIC16C622A core uses a 14-bit instruction word with a single accumulator (W register) and a memory-mapped I/O scheme. Its 8-level hardware stack, 35 single-word instructions, and 200 ns instruction cycle at 20 MHz deliver deterministic interrupt latency, which is valuable in real-time control loops. The OTP program memory allows one-time field programming, providing low per-unit cost in mature, fixed-revision designs. Typical applications include appliance control boards, simple sensor interface modules, low-cost remote controllers, automotive body electronics modules, and consumer white-goods user-interface panels. The PIC16C622AT-20I/SS is commonly selected when designers need a stable, well-documented 8-bit core with a long lifecycle and broad third-party tool support. When designing with this device, allocate sufficient decoupling (100 nF + 10 uF typical) close to VDD/VSS pins and follow Microchip's in-circuit serial programming (ICSP) layout recommendations to keep the ICSP header accessible. Because OTP memory cannot be reprogrammed, prototype on a JW or windowed variant, then migrate to OTP for production. Ensure MCLR is pulled high through a 10 kohm resistor for normal operation. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design guidance not found on a single manufacturer datasheet, giving procurement and design engineers an at-a-glance decision view for this classic PIC16C MCU.

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PIC16C622AT-40/SO - 8-Bit OTP MCU 3.5KB 40MHz 18-SOIC | Microchip
PIC16C622AT-40/SO

PIC16C622AT-40/SO - 8-Bit OTP MCU 3.5KB 40MHz 18-SOIC | Microchip

The Microchip Technology PIC16C622AT-40/SO is an 8-bit CMOS OTP-based PIC microcontroller from the PIC® 16C family, featuring a 14-bit instruction word, 40 MHz maximum clock speed, 3.5 KB (2K x 14) of One-Time-Programmable program memory, 128 x 8 bytes of data RAM, and 13 general-purpose I/O pins, all housed in an 18-pin SOIC (0.295 inch / 7.50 mm width) surface-mount package. What is a microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, and peripheral I/O. The PIC family uses a Harvard RISC architecture with a 14-bit wide instruction word, giving it deterministic single-cycle execution except for branch instructions. OTP-based PIC16C devices are programmed once at production and are typically used in mature, cost-sensitive, high-volume products where firmware is final and field updates are not required. Key features include an operating voltage range of 2.5 V to 5.5 V (verified per the Microchip USA product listing), 128 bytes of RAM, a 40 MHz maximum oscillator frequency, an internal watchdog timer, a programmable prescaler, a 16-bit timer/counter, and two analog comparators that make the PIC16C622A particularly suited for simple analog signal conditioning and threshold detection. Architecturally, the device uses a RISC core with only 35 single-word instructions and a 14-bit instruction path, achieving up to 10 MIPS at 40 MHz. The PIC16C622A variant adds two on-chip analog comparators with programmable reference, which are absent on the lower-end PIC16C620A. The OTP EPROM program memory is one-time programmable but supports verification at production; programming is performed via ICSP (In-Circuit Serial Programming) using the MPLAB PM3 or equivalent. Typical applications include appliance controls, security panels, IR remote receivers, automotive sub-systems (interior lighting, HVAC actuators), battery chargers, simple sensor interfaces, and low-cost consumer electronics. The wide 2.5 V to 5.5 V supply range lets it operate directly from a single lithium cell or a regulated 5 V rail. When designing with this part, observe the OTP-programming constraint: code must be 100% verified before the production programming step. Choose the PIC16C622A-20I/SO industrial-temperature variant for -40°C to +85°C environments, and ensure decoupling of 100 nF close to VDD plus a 10 µF bulk cap. For new designs requiring field updates, consider the PIC16F family (Flash-based) which is pin-compatible in the same 18-SOIC footprint. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a complete procurement and design brief in one place.

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PIC16C622AT-40/SS - 8-Bit OTP MCU 3.5KB 40MHz SSOP-20 | Microchip
PIC16C622AT-40/SS

PIC16C622AT-40/SS - 8-Bit OTP MCU 3.5KB 40MHz SSOP-20 | Microchip

The Microchip Technology PIC16C622AT-40/SS is an 8-bit RISC microcontroller with 3.5KB (2048 x 14 words) of One-Time Programmable (OTP) program memory, 128 bytes of RAM, and 13 digital I/O pins, housed in a 20-pin SSOP (5.30 mm) package and specified for a 40 MHz maximum clock rate. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and peripheral interfaces into one package. The PIC16C family is Microchip's classic mid-range 8-bit RISC architecture, sitting hierarchically as: microcontroller -> embedded controller -> semiconductor device. PIC16C devices use a Harvard architecture with separate program and data buses, execute one instruction per instruction cycle (4 clock cycles per instruction at 40 MHz = 100 ns per instruction), and are fully static for low-power operation. Key features include 35 single-word instructions, a 14-bit instruction word, 8-level deep hardware stack, two 8-bit timers (Timer0 and Timer2) plus one 16-bit timer (Timer1), a capture/compare/PWM (CCP) module, 8-bit ADC-free design with analog comparator, and an internal oscillator option. The PIC16C622A variant adds an integrated analog comparator with programmable reference, making it well-suited for sensor interfacing and threshold detection without external components. The OTP memory means each device is programmed once and cannot be reprogrammed, which lowers cost versus Flash but locks the firmware at production. The device operates from 3.0 V to 5.5 V supply, supports industrial -40 C to +85 C (with 'T' suffix industrial grade marked), and provides power-managed sleep mode with watchdog timer. The 'A' suffix denotes the revision-A silicon with the comparator module and brown-out reset improvements over the original PIC16C622. Typical applications include appliance control, sensor signal conditioning, automotive body modules, low-end remote controls, smart meters, and white-goods user interfaces. The combination of OTP memory, analog comparator, and CCP module targets cost-sensitive embedded products where firmware is finalized at manufacturing. When designing with this part, note that OTP memory cannot be field-updated; any firmware bug requires a board-level rework. Plan to use the parallel programming interface for production programming and reserve the ICSP pins for engineering prototypes only. This page synthesizes distributor pricing, drop-in alternatives within the PIC16C family, and practical design notes not found in the manufacturer datasheet.

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PIC16C622T-04/SO - 8-Bit 4MHz OTP MCU 3.5KB | Microchip
PIC16C622T-04/SO

PIC16C622T-04/SO - 8-Bit 4MHz OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16C622T-04/SO is an 8-bit RISC OTP (One-Time Programmable) microcontroller from the PIC16C family, operating at up to 4 MHz with 3.5 KB (2K x 14) of program memory and 128 bytes of RAM, housed in a commercial-grade 18-pin SOIC package with gull-wing leads. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (ROM/RAM), and peripheral interfaces on one die. Within the broader semiconductor taxonomy, the PIC16C622 belongs to the 8-bit microcontroller hierarchy, then to the RISC microcontroller sub-family, then to the OTP/EPROM-based microcontrollers category, and finally to Microchip's mid-range PIC16C series. OTP devices are programmed once and are widely used in cost-sensitive, low-to-medium volume embedded applications where re-programmability is not required. Key features of the PIC16C622T-04/SO include its 4 MHz maximum clock speed, 13 general-purpose I/O lines, an internal 4 MHz RC oscillator option, and compatibility with the PIC16CXXX instruction set. The 18-SOIC package provides a 1.27 mm terminal pitch and supports surface-mount assembly. The "T" suffix indicates tape-and-reel packaging, and the "/SO" suffix denotes the SOIC form factor. The device operates from a 3.0 V to 6.0 V supply and includes a commercial temperature grade (0 °C to +70 °C). Architecturally, the PIC16C622 implements a Harvard RISC core with separate program and data buses, 14-bit wide instruction words, and a 35-instruction set that simplifies firmware development. Its CMOS design yields low power consumption suitable for battery-operated and always-on systems. The OTP program memory allows the device to be programmed by Microchip's MPLAB PM3 Universal Device Programmer. Typical applications include consumer appliances, simple motor and lighting controllers, low-cost sensor interface boards, and replacement of discrete logic in legacy embedded designs. Its 13 I/O lines are sufficient for keypad scanning, LED driving, and small signal-conditioning tasks. When designing with the PIC16C622T-04/SO, note that OTP memory cannot be erased, so firmware must be fully validated before programming. For prototyping or field-upgradable designs, consider the flash-based PIC16F series equivalents in the same 18-pin SOIC footprint. Provide a 0.1 µF decoupling capacitor close to VDD and follow Microchip's recommended oscillator layout for the selected clock source. This page synthesizes verified distributor pricing, drop-in same-family alternatives, and practical design considerations not consolidated on a single manufacturer page, helping engineers evaluate, source, and replace the PIC16C622T-04/SO with confidence.

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PIC16C622T-04/SS - 8-bit OTP MCU, 3.5KB, 4MHz, SSOP-20 | Microchip
PIC16C622T-04/SS

PIC16C622T-04/SS - 8-bit OTP MCU, 3.5KB, 4MHz, SSOP-20 | Microchip

The Microchip Technology PIC16C622T-04/SS is an 8-bit RISC microcontroller based on the PIC16C mid-range core, featuring 3.5KB (2K x 14) of One-Time-Programmable (OTP) program memory and 128 bytes of data RAM, housed in a 20-pin Shrink Small Outline Package (SSOP). It operates at a maximum clock frequency of 4 MHz from a 3.0V to 6.0V supply and is offered in the commercial 0C to +70C temperature grade with tape-and-reel packaging (the trailing "T" in the part number). The device exposes 13 general-purpose digital I/O pins and supports an external oscillator interface. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals; the PIC16C mid-range architecture uses a 14-bit instruction word with a Harvard bus and a RISC-style instruction set, delivering deterministic interrupt latency and single-cycle execution for most opcodes. The PIC16C622 specifically sits within Microchip's PIC16C62x family of OTP-only devices intended for volume production where firmware is finalized and in-system reprogrammability is not required. Key features include 3.5KB OTP program memory (2K x 14-bit words), 128 bytes of SRAM, 13 GPIO pins, an integrated watchdog timer, a power-on reset (POR) circuit, an 8-bit timer/counter with prescaler, and brown-out detection circuitry. The 20-pin SSOP (7.50mm body width) provides a small board footprint while still supporting through-hole-compatible soldering profiles on mixed-technology assemblies. The PIC16C622 architecture uses a 14-bit instruction word and 8-bit data path, with a two-stage instruction pipeline that allows most instructions to execute in one clock cycle. Its CMOS implementation yields low static current draw suitable for line-powered consumer and industrial equipment, and the part is well-supported by legacy MPLAB IDE development tools still maintained by Microchip for OTP PIC16C production lines. Typical applications include consumer appliance control, industrial automation sensor interfaces, low-cost HVAC thermostats, simple closed-loop fan or pump controllers, and white-goods user-interface panels. The 4 MHz instruction rate and 13 I/O are adequate for keypad scanning, LED multiplexing, and basic serial protocols implemented in firmware. When designing with this device, note that the OTP memory requires masked firmware at programming time and cannot be field-updated; for design revisions or firmware iteration, use the flash-based PIC16F62x family in the same SSOP-20 footprint as a drop-in alternative. A 100 nF decoupling capacitor placed within 5 mm of the VDD pin is mandatory for stable operation.

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PIC16C622T-04E/SO - 4MHz 8-Bit OTP MCU 3.5KB | Microchip
PIC16C622T-04E/SO

PIC16C622T-04E/SO - 4MHz 8-Bit OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16C622T-04E/SO is an 8-bit PIC microcontroller from the PIC16C family, featuring 3.5KB (2K x 14) of One-Time Programmable (OTP) program memory, 128 bytes of RAM, and 13 I/O pins in an 18-pin SOIC package. It operates at up to 4MHz from a 3.0V to 5.5V supply, integrates two analog comparators, and is rated for the extended automotive temperature grade. A PIC (Peripheral Interface Controller) microcontroller is a Harvard-architecture RISC device optimized for embedded control. PIC16C-series parts sit in the legacy mid-range family (PIC10/12/16/18 hierarchy -> 8-bit microcontroller -> MCU -> embedded processor), using a 14-bit instruction word. The PIC16C622 specifically targets applications needing on-chip analog comparators without a full ADC, which keeps cost, code size, and power low. Key features include 3.5KB OTP program memory, 128 bytes of data RAM, a hardware USART, a 13-bit timer/counter (TMR0), a watchdog timer with on-chip RC oscillator, power-on reset, brown-out reset, in-circuit serial programming, and two on-chip analog comparators with programmable reference. The 18-pin SOIC package supports surface-mount assembly with a 7.50 mm body width. The PIC16C622 uses a 14-bit instruction RISC core with a 35-instruction set, each executing in a single instruction cycle (4 oscillator clocks). The OTP EPROM cell provides one-time programmable non-volatile storage for firmware that is intended to be stable in production, with programming voltages handled by the on-chip charge pump. Typical applications include automotive subsystems, sensor signal conditioning, low-end appliance controls, simple closed-loop motor drivers, and battery-powered measurement instruments. The integrated analog comparators make it well-suited for threshold detection, zero-crossing detection, and analog feedback loops. When designing with this part, note that the OTP memory cannot be re-programmed in-circuit, so ensure code is fully validated before committing. Use the brown-out reset to protect against unstable supply conditions, and place decoupling capacitors within 5 mm of the VDD pin. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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PIC16C622T-04E/SS - 8-Bit 4MHz OTP MCU 3.5KB 20-SSOP | Microchip
PIC16C622T-04E/SS

PIC16C622T-04E/SS - 8-Bit 4MHz OTP MCU 3.5KB 20-SSOP | Microchip

The Microchip Technology PIC16C622T-04E/SS is an 8-bit RISC EPROM-based CMOS microcontroller from the PIC16C family, offering 3.5KB (2K x 14) of One-Time Programmable (OTP) program memory, 128 bytes of RAM, and 13 general-purpose I/O pins in a 20-pin SSOP package. The "-04" speed grade denotes a 4MHz maximum operating frequency, and the "E" suffix indicates an extended industrial temperature grade of -40C to +125C, making this part suitable for harsh-environment embedded designs that must operate across wide thermal ranges. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and peripheral interfaces into one package. Within the broader taxonomy of semiconductors, an MCU belongs to the digital logic / microcontroller class, and the PIC16C series occupies the mid-range 8-bit tier of Microchip's PIC portfolio, offering RISC architecture with a 14-bit instruction word optimized for compact, deterministic control code. OTP program memory allows the device to be programmed once during manufacturing, which lowers unit cost versus flash-based MCUs and is well suited to high-volume, fixed-function consumer and industrial products. Key features of the PIC16C622T-04E/SS include the 14-bit instruction set, 35 single-word instructions (most single-cycle), a hardware multiplier, Brown-out Detect/Reset, Power-On Reset (POR), Watchdog Timer (WDT) with its own on-chip RC oscillator, an analog comparator, a programmable voltage reference, and a Capture/Compare/PWM (CCP) module. The wide 2.0V to 6.0V supply range allows battery-backed or 5V-rail designs, and the 20-SSOP outline saves board area versus a 20-pin PDIP alternative. Architecturally, the PIC16C622 uses a Harvard bus with separate program and data paths and a 2-stage pipeline. On-chip peripherals include a 16-bit timer/counter (TMR1) optionally operable in sleep mode with an external crystal, an 8-bit timer/counter (TMR0) with 8-bit prescaler, and synchronous serial port (SSP) for SPI / I2C master-slave communication. Two analog comparators with a programmable reference voltage block add signal-conditioning capability without external op-amps. Typical applications include white-goods and appliance controls, low-end remote controls, sensor signal conditioning with on-chip comparators, simple sensor-front-end nodes, battery chargers, automotive body controllers, lighting ballasts, and industrial control subsystems where cost dominates over reprogrammability. The extended temperature grade extends use to under-hood and outdoor enclosures. When designing with this device, ensure that the chosen emulator/programmer (PICMASTER, MPLAB PM3, or PRO MATE II) supports the PIC16C62x OTP windowed/extended parts, and budget for a 25 mA / 6 V absolute maximum on VDD plus proper decoupling with 0.1 uF + 10 uF bulk capacitors. Pin-compatible PIC16C62x family members exist in the same 20-SSOP package, simplifying last-time buys and PCB reuse. This page synthesizes distributor pricing, drop-in alternatives from the same PIC16C6xx family, and practical design notes not found in the manufacturer datasheet alone.

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PIC16C622T-04I/SO - 8-bit MCU, 3.5KB OTP, 13 I/O | Microchip
PIC16C622T-04I/SO

PIC16C622T-04I/SO - 8-bit MCU, 3.5KB OTP, 13 I/O | Microchip

The Microchip Technology PIC16C622T-04I/SO is an EPROM-based 8-bit CMOS microcontroller from the PIC16C family, delivering 4 MHz maximum operating frequency with 3.5 KB (2K x 14) of one-time-programmable (OTP) program memory and 128 bytes of RAM in an 18-pin SOIC (SO) package. The industrial-grade ("I") temperature variant operates from -40 °C to +85 °C and is supplied in tape-and-reel packaging (T suffix). The device exposes 13 general-purpose digital I/O pins and is rated for 3.0 V to 5.5 V operation, suiting battery-backed and 5 V regulated designs. An 8-bit microcontroller (MCU) is a single integrated device that combines a CPU core, program memory, data RAM, peripherals and I/O on one silicon die. Within the embedded-system hierarchy, an MCU sits between a fixed-logic ASIC (full custom silicon) and a microprocessor (which requires external memory and peripherals). The PIC16C family uses a RISC Harvard architecture with a 14-bit instruction word, separate program and data buses, and a deterministic instruction cycle that simplifies real-time control. The OTP variant is intended for volume production where firmware is finalized; for prototyping and field updates, the FLASH-based PIC16F family is generally preferred. Key features include a hardware 8-bit timer/counter with a prescaler, an analog comparator module with programmable reference, watchdog timer with on-chip RC oscillator for reliable resets, power-saving SLEEP mode, in-circuit serial programming (ICSP) interface, and 25 mA source/sink capability per pin to drive LEDs and small relays directly. The architecture delivers 5 MIPS at 4 MHz and provides 35 single-word instructions. The device's analog comparator makes it suitable for battery-voltage monitoring and threshold-based control loops without an external op-amp. Power-on reset, brown-out detection and the wide operating voltage window reduce external component count in cost-sensitive designs. Typical applications include appliance control, security-system keypads, IR remote controls, sensor signal conditioning, automotive body electronics (non-safety), and battery chargers. The industrial temperature window also supports factory-floor sensor interfaces. When designing with this part, note that PIC16C OTP devices are windowless and cannot be reprogrammed. Use a PIC16F equivalent for development and migrate firmware to the 'C' OTP device for production to avoid wasted engineering samples. This page synthesizes distributor pricing, parametric drop-in alternatives and practical design considerations not collected in any single manufacturer datasheet, helping engineers evaluate the PIC16C622T-04I/SO against modern FLASH-based PIC16F and PIC16F1xxx alternatives.

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PIC16C622T-20/SO - 8-bit OTP MCU, 3.5KB, 20MHz, 18-SOIC | Microchip
PIC16C622T-20/SO

PIC16C622T-20/SO - 8-bit OTP MCU, 3.5KB, 20MHz, 18-SOIC | Microchip

The Microchip Technology PIC16C622T-20/SO is an 8-bit RISC microcontroller from the PIC® 16C family featuring 3.5KB (2K x 14) of One-Time Programmable (OTP) program memory, 128 bytes of RAM, and 13 digital I/O pins in an 18-pin SOIC package. It operates at up to 20 MHz clock speed with a 5V supply and is fabricated using CMOS technology. The device is supplied in tape-and-reel packaging as indicated by the 'T' suffix, making it suitable for high-volume SMT assembly. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (ROM/Flash/OTP), data memory (RAM), and programmable I/O peripherals. The PIC16C622 belongs to the mid-range 8-bit PIC family, sitting in the hierarchy: 8-bit MCU -> RISC MCU -> PIC16C -> mid-range PIC microcontroller -> embedded controller. It uses a Harvard architecture with separate program/data buses, an accumulator-based ALU, and a 14-bit instruction word. Key features include 35 instructions, 8-level hardware stack, 4 oscillator modes (RC, LP, XT, HS), two 8-bit timers (Timer0, Timer2) and one 16-bit timer (Timer1), a 14-bit capture/compare/PWM module, an analog comparator, a watchdog timer with on-chip RC oscillator, and an in-circuit serial programming (ICSP) interface. The 18-SOIC package (7.50 mm body width) is the industry-standard surface-mount outline for this MCU family. The PIC16C622's architecture is optimized for low-cost, deterministic real-time control with single-cycle instruction execution (except branches). Its RISC instruction set provides predictable timing for embedded control loops, while the OTP program memory is well-suited for high-volume consumer and industrial products where program changes are not expected after production. Typical applications include appliance control, sensor signal conditioning, low-end motor control (DC brushed), HVAC fan controllers, security alarm keypads, simple LED drivers, battery chargers, and remote-control transmitters. The 13 I/O pins can directly drive LEDs, relays, or interface to sensors via the analog comparator. Industrial temperature grade parts are also available for harsher environments. When designing with this part, ensure a 1 kΩ pull-down on MCLR/VPP and place a decoupling capacitor (typically 0.1 µF) close to VDD. Because OTP cannot be re-programmed, verify firmware on a windowed or flash-equipped equivalent (e.g., PIC16F622) before committing to production. The 20 MHz maximum clock requires a 5V supply; at lower VDD the maximum frequency is derated. This page synthesizes verified distributor pricing, drop-in alternatives within the same 18-SOIC footprint, and practical design notes not consolidated in the manufacturer datasheet.

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PIC16C622T-20E/SO - 8-Bit 20MHz OTP MCU 3.5KB | Microchip
PIC16C622T-20E/SO

PIC16C622T-20E/SO - 8-Bit 20MHz OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16C622T-20E/SO is an 8-bit PIC microcontroller from the PIC16C family, operating at up to 20 MHz with 3.5 KB (2K x 14) of One-Time Programmable (OTP) program memory and 128 bytes of RAM, housed in a surface-mount 18-SOIC (7.50 mm / 0.295 inch width) package. The device integrates 13 digital I/O pins, two analog comparators with a programmable reference, an internal 8-bit timer/counter, a watchdog timer, and brown-out reset, providing a compact mixed-signal control solution. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, working RAM, and peripheral set on one die. OTP MCUs use one-time programmable EPROM cells so firmware is permanently committed during production programming; unlike flash parts, the program memory cannot be rewritten, which historically made OTP devices attractive for cost-sensitive high-volume consumer and industrial control. The PIC16C family sits in the 8-bit RISC hierarchy of Microchip's portfolio, with Harvard architecture, 14-bit-wide instructions, and a small instruction set optimized for deterministic interrupt response and low code size. Key features of the PIC16C622T-20E/SO include 20 MHz maximum clock, 200 ns instruction cycle, 128 bytes RAM, two on-chip analog comparators, a programmable voltage reference, an internal RC oscillator option, power-on reset, brown-out reset, watchdog timer with on-chip low-power oscillator, in-circuit serial programming (ICSP), and a wide 3.0 V to 6.0 V supply range. The 18-SOIC industrial-grade (-40 °C to +125 °C) package makes it suitable for harsh environment installations. Typical applications include appliance control (white goods, HVAC actuators, washing machines), industrial sensor interface boards, low-cost automotive subsystems (non-safety), battery chargers, smart metering front-ends, lighting ballasts, and consumer white goods with analog comparators. The internal comparators can directly interface with sensors, replacing external op-amps in threshold-detection circuits. When designing with this part, note the OTP program memory requires a mask/OTP programming step at production; use a flash equivalent (PIC16F62x family) during prototyping for code iteration, then port back for cost-down production. Add 0.1 µF + 10 µF decoupling close to VDD/VSS.

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PIC16C622T-20E/SS - 8-Bit 20MHz OTP MCU, 3.5KB | Microchip
PIC16C622T-20E/SS

PIC16C622T-20E/SS - 8-Bit 20MHz OTP MCU, 3.5KB | Microchip

The Microchip Technology PIC16C622T-20E/SS is an EPROM-based 8-bit CMOS microcontroller from the PIC16C family, operating at up to 20 MHz with 3.5 KB (2K x 14) of One-Time Programmable (OTP) program memory and 128 bytes of RAM, housed in a 20-pin SSOP (5.30 mm) package supplied on tape and reel. What is an 8-bit OTP microcontroller? An 8-bit OTP microcontroller is a small, low-cost single-chip computer built around an 8-bit data path and a one-time-programmable (non-erasable) program memory. Within the broader taxonomy it is a microcontroller -> embedded controller -> semiconductor device. The PIC16C series uses Microchip's RISC Harvard architecture, which separates program and data buses to allow simultaneous fetch and execute, delivering deterministic instruction timing. OTP parts target cost-sensitive, low-volume production where field re-programmability is not required. The device features two analog comparators with programmable on-chip voltage reference, 13 digital I/O pins, a 20 MHz internal/external oscillator option, and an instruction set of only 35 single-word instructions. The two comparators make it well suited for simple mixed-signal tasks such as threshold detection, battery monitoring, and feedback loops without external analog ICs. Power-saving features include a Watchdog Timer with its own on-chip RC oscillator for reliable operation and a SLEEP mode for low quiescent current applications. Operating from 3.0 V to 6.0 V across the -40 C to +125 C extended temperature range, the PIC16C622T-20E/SS targets industrial and automotive-grade environments. The 'E' suffix denotes the extended temperature grade while 'T' indicates tape and reel packaging and 'SS' denotes the 20-SSOP form factor. The 20 MHz clock delivers 5 MIPS of throughput, adequate for control loops, sensor interfacing, and user-interface logic. Typical applications include battery chargers, SMPS control, motor control feedback, security systems, appliance control, automotive sensor interfacing, and general-purpose embedded control. The two on-chip comparators eliminate the need for an external op-amp in many cost-sensitive designs. When designing with the PIC16C622T-20E/SS, note that OTP memory cannot be erased or rewritten after programming. Ensure firmware is fully validated before burning. A 100 nF decoupling capacitor close to VDD/SS is recommended for noise immunity. This page synthesizes distributor pricing, cross-reference alternatives from Microchip's PIC16C family, and practical design notes not collected in any single manufacturer document, providing information gain beyond a single datasheet.

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PIC16C622T-20I/SO - 8-bit OTP MCU 3.5KB 20MHz 18-SOIC
PIC16C622T-20I/SO

PIC16C622T-20I/SO - 8-bit OTP MCU 3.5KB 20MHz 18-SOIC

The Microchip Technology PIC16C622T-20I/SO is a CMOS 8-bit OTP-based microcontroller from the PIC16C6x family, featuring 3.5KB (2K x 14) of one-time-programmable program memory, 128 bytes of RAM, and 13 I/O pins in a surface-mount 18-pin SOIC (0.295", 7.50mm) wide-body package. It operates from a supply voltage of 2.5V to 6.0V (commonly 3.3V or 5V), runs instruction cycles at 20 MHz with a 200 ns instruction cycle, and is qualified to the industrial temperature grade of -40C to +85C. The device ships on tape-and-reel (suffix "T"). Background: A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, RAM, and peripherals (I/O, timers, interrupts, communication interfaces) into one package. The PIC16C6x family is built on Microchip's RISC-based 8-bit PIC architecture with a 14-bit instruction word, separating it from the PIC16F (flash) and PIC16C (OTP/EPROM/ROM) lineages. MCUs in this class are widely used as the lowest-cost embedded controllers in cost-sensitive industrial, consumer, and automotive-body products. Key features of the PIC16C622T-20I/SO include a precision analog comparator, one 8-bit timer (TMR0) with an 8-bit programmable prescaler, a watchdog timer with its own on-chip RC oscillator for reliable resets, an internal MCLR reset path, a 4 MHz internal RC oscillator option, and an enhanced capture/compare/PWM (CCP) peripheral. The device provides 13 bidirectional I/O pins with high-current sink/source, plus power-on reset (POR), brown-out reset, and in-circuit serial programming (ICSP) capability through two pins. Technically, the PIC16C622 implements a Harvard architecture with separate program and data buses, a 14-bit instruction set, and a 35-instruction RISC core. Its 2-stage instruction pipeline delivers 5 MIPS at 20 MHz. Operating from 2.5V to 6.0V across the full industrial temperature range, the device is suitable for battery- and line-powered designs alike, and the OTP memory allows one-time factory or production programming. Typical applications include appliance controllers, security-system keypads, motor-control front-ends, low-end instrumentation, and battery-powered sensor interfaces. The on-chip analog comparator and CCP peripheral also suit closed-loop fan, pump, and solenoid drivers. Designers should plan for the one-time-programmable memory model: code is locked at production programming and cannot be firmware-updated in-circuit beyond ICSP. Always reserve an I/O pin pair for ICSP, and verify retention/longevity assumptions for OTP programming windows on each batch. This page consolidates current distributor pricing, package-level cross-references, and engineering design notes that go beyond what the manufacturer datasheet alone exposes, giving procurement and design engineers a single reference point.

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PIC16C622T-20I/SS - 8-bit OTP MCU, 20MHz, 3.5KB | Microchip
PIC16C622T-20I/SS

PIC16C622T-20I/SS - 8-bit OTP MCU, 20MHz, 3.5KB | Microchip

The Microchip PIC16C622T-20I/SS is an 8-bit CMOS OTP (One-Time-Programmable) microcontroller from the PIC® 16C family, delivering 20 MIPS performance at 20 MHz in a 20-pin SSOP package. It integrates 3.5 KB of program memory (2K x 14), 128 bytes of RAM, and 13 digital I/O pins, all in a compact 5.30 mm wide SSOP-20 outline. The "T" suffix denotes tape-and-reel packaging and "I" indicates the -40°C to +85°C industrial temperature grade. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data RAM, and configurable peripheral I/O on one IC. The PIC16C family uses a RISC architecture with 35 single-cycle instructions, which delivers deterministic throughput at low power. Within the broader category hierarchy, the PIC16C622 belongs to: microcontroller -> embedded controller -> semiconductor IC. The OTP variant is intended for low-cost production where firmware is finalized and field re-programmability is not required. Key features include a 20 MHz maximum clock speed, 14-bit instruction word, 8-bit data path, 13 bidirectional I/O pins, a hardware 8-bit timer/counter (TMR0), a Watchdog Timer with independent on-chip oscillator, power-on reset, brown-out detection, and programmable code protection. The device operates from 2.5 V to 5.5 V and draws a typical 2 mA at 5 V / 20 MHz, with < 1 µA standby current for battery-friendly designs. The PIC16C622T-20I/SS employs a Harvard architecture with separate program and data buses, allowing instruction fetch and operand read to occur in a single clock cycle. Its CMOS OTP cell array and CMOS EPROM technology provide robust operation, and the on-chip RC oscillator option reduces external component count. An analog comparator module is integrated, eliminating the need for an external op-amp in many signal-conditioning interfaces. Typical applications include consumer appliance control, sensor signal conditioning with on-chip comparator, low-end remote control transmitters, white goods user interfaces, and industrial control modules where small form factor and cost dominate over flash reprogrammability. The 20-pin SSOP footprint suits compact PCBs and pick-and-place assembly lines. When designing with this part, plan OTP programming into the production flow (programmer required per unit) and reserve brown-out reset configuration in the configuration word. For new designs, Microchip generally recommends migrating to the flash-based PIC16F family for development flexibility, while reserving the OTP C-variant for cost-optimized mature products. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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PIC16C62A-04/SP - 8-bit 4MHz 3.5KB OTP MCU | Microchip | 28-SPDIP
PIC16C62A-04/SP

PIC16C62A-04/SP - 8-bit 4MHz 3.5KB OTP MCU | Microchip | 28-SPDIP

The Microchip Technology PIC16C62A-04/SP is an 8-bit CMOS OTP (One-Time-Programmable) RISC microcontroller in the PIC16C family, built around the PIC16C6x core and offered in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. It operates at a maximum clock speed of 4 MHz, integrates 3.5 KB of OTP program memory (organized as 2K × 14 words), and includes 128 bytes of RAM with 22 general-purpose digital I/O pins. The device uses CMOS EPROM/ROM technology, is fully static, and supports a wide operating voltage range up to 6.0 V across commercial, industrial, and extended temperature grades. An 8-bit OTP microcontroller is a single-chip computer built on an 8-bit data path with non-volatile program memory that can be written exactly once by the user. These devices sit inside the broader hierarchy of microcontrollers → embedded processors → semiconductor ICs, and historically dominated cost-sensitive, mid-volume embedded control applications before Flash-based MCUs became economical. The PIC16C family is part of Microchip's PIC16 → PICmicro → 8-bit MCU taxonomy, which uses a RISC-style instruction set designed for deterministic, single-cycle execution on most opcodes. Key features of the PIC16C62A-04/SP include 35 single-word instructions, a 14-bit instruction word, 8-bit data path, 4 MHz oscillator input, on-chip peripherals such as timers, a watchdog timer, and a synchronous/asynchronous serial port (SSP). Power consumption is a notable feature: typical supply current is approximately 15 µA at 5 V / 4 MHz and around 1 µA at 3 V / 32 kHz, supporting battery-friendly designs. The 28-SPDIP package provides a 0.300 inch (7.62 mm) row spacing, which is convenient for prototyping, breadboarding, and educational use. Architecturally, the PIC16C62A-04/SP uses a Harvard memory layout (separate program and data buses) and a fully static design that allows the clock to be stopped without losing register state. Its OTP EPROM cell technology is the main reason the part is positioned at lower price points than equivalent Flash-based PIC16F devices, but it also means firmware cannot be rewritten in-circuit; programming is performed with a device programmer such as the MPLAB PM3. Typical applications include blood-pressure monitors and other low-power medical instruments, appliance controls, automotive body and comfort subsystems, consumer electronics, security and alarm panels, and industrial sensor interfaces. The combination of low power consumption, deterministic core, and DIP package makes the PIC16C62A-04/SP a frequent choice for legacy designs, hobby projects, and through-hole industrial control modules. When designing with this part, the OTP memory limitation is the most important trade-off: once programmed, the device cannot be re-flashed. Engineers should validate firmware with a socketed or windowed version, or consider the pin-compatible PIC16F62A / PIC16F72 family for in-circuit reprogrammability. Decoupling, oscillator layout, and MCLR reset hardware should follow Microchip's PIC16C6x reference design recommendations. This page synthesizes distributor pricing from DigiKey and Mouser, drop-in same-package alternatives, and practical design notes that are not collected in the manufacturer datasheet PDF, helping engineers select, source, and qualify the part quickly.

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PIC16C62A-04/SS - 8-Bit 4MHz OTP MCU 3.5KB | Microchip
PIC16C62A-04/SS

PIC16C62A-04/SS - 8-Bit 4MHz OTP MCU 3.5KB | Microchip

The Microchip PIC16C62A-04/SS is a member of the PIC16C6x family of 8-bit CMOS microcontrollers, integrating a RISC core running at 4 MHz with 3.5 KB of one-time-programmable (OTP) program memory (2K x 14), 128 bytes of RAM, and 22 digital I/O lines, all housed in a 28-pin SSOP package. The device is fabricated using low-power, high-speed CMOS EPROM/ROM technology and is fully static, supporting operation down to DC clock rates. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The PIC16C62A belongs to the PIC16C family, which sits within the broader category of 8-bit microcontrollers and ultimately under the umbrella of embedded processors. OTP-based MCUs are widely used in cost-sensitive, low-to-medium volume embedded applications where field reprogrammability is not required and per-unit programming cost is the dominant factor. Key features include a wide operating voltage range of 2.5 V to 6.0 V, commercial, industrial, and extended temperature grades, and ultra-low power consumption of 15 uA typical at 5 V/4 MHz and 1 uA typical at 3 V/32 kHz. The 28-SSOP package supports surface-mount assembly and is footprint-compatible with the broader PIC16C62/62A/63/64/65/66/67 family. The architecture uses a Harvard design with separate program and data buses, a 14-bit instruction word, and a 35-instruction set that simplifies code generation in assembly or C. Typical applications include appliance control, HVAC interfaces, simple sensor readouts, automotive body controllers (where qualified), remote controls, and low-cost industrial sensor nodes. Designers select the PIC16C62A-04/SS when the program size is fixed at production time and total system cost must be minimized without sacrificing Microchip's mature toolchain (MPLAB, MPASM, ICD). When designing, confirm the OTP memory limitation upfront - once programmed, the device cannot be re-programmed in-circuit. For prototyping, use the PIC16F62x equivalent or the PIC16C62A JW windowed version. Plan decoupling and oscillator layout per Microchip AN588. This page synthesizes distributor pricing, package-compatible drop-in alternatives from Microchip's PIC16C family, and practical design notes not found in the manufacturer datasheet, with all specifications cross-checked against Microchip-published material as of 2026-09-17.

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PIC16C62A-04E/SO - 4MHz 8-bit CMOS MCU, 3.5KB EPROM | Microchip
PIC16C62A-04E/SO

PIC16C62A-04E/SO - 4MHz 8-bit CMOS MCU, 3.5KB EPROM | Microchip

The Microchip PIC16C62A-04E/SO is an 8-bit CMOS RISC microcontroller from the PIC16Cxx family, delivering 4 MIPS performance at a 4 MHz oscillator frequency and packaged in a 28-pin SOIC (SO) wide-body package. The part integrates 3.5 KB of one-time-programmable (OTP) EPROM program memory and 128 bytes of RAM, with 22 digital I/O pins, a 14-bit instruction word, and a Harvard architecture optimized for deterministic interrupt response. The "04" speed grade denotes a 4 MHz maximum clock, while the "E" suffix indicates the Extended operating temperature range (-40C to +125C) suitable for industrial and automotive-grade environments. An 8-bit microcontroller (MCU) is a small single-chip computer built around an 8-bit data path and a von Neumann or Harvard instruction set, integrating CPU core, program memory, RAM, timers, and I/O peripherals onto one die. Within the broader taxonomy, the PIC16C62A belongs to Microchip's PIC16C mid-range family, which sits between the baseline PIC10/12/16 families and the high-performance PIC18 family. These OTP-EPROM microcontrollers are part of the power management and embedded control semiconductor category, historically used wherever deterministic real-time response, low power, and high code density matter more than raw computational throughput. Key features of the PIC16C62A-04E/SO include low-power CMOS EPROM/ROM technology with a fully static design that allows the clock to be stopped without losing state, a wide operating voltage range of 2.5 V to 6.0 V (per family specifications), and typical active current of 2 mA at 5 V / 4 MHz. Power-saving sleep mode draws as little as 1 uA typical at 3 V / 32 kHz, making the part suitable for battery-backed or sleep-dominated applications. The device offers programmable code protection, an 8-bit timer/counter with optional prescaler, a watchdog timer with its own on-chip RC oscillator, and a synchronous serial port (SSP) supporting SPI and I2C master/slave modes. Architecturally, the PIC16C62A employs Microchip's mid-range 14-bit RISC instruction set with 35 single-word instructions, where most instructions execute in a single instruction cycle (4 oscillator clocks). The 8-level deep hardware stack, two file select registers, and direct/indirect/inherent addressing modes give C programmers and assembly engineers flexible control over code placement. The Harvard architecture separates program and data buses so the CPU can fetch the next instruction while reading or writing data memory, eliminating von Neumann bottlenecks. Typical applications for the PIC16C62A-04E/SO include industrial control and sensor interfacing, automotive body and chassis subsystems (Extended temperature grade), consumer appliance controllers, HVAC equipment, low-end security and alarm panels, and remote sensor nodes that benefit from OTP cost savings in high-volume production. Its combination of OTP EPROM, low power, and 22 I/O pins makes it well suited for cost-sensitive embedded applications that have stabilized firmware. When designing with this part, note that OTP EPROM cannot be re-programmed in-circuit - firmware bugs require a new device - so plan for a flash-based PIC16F equivalent during development and prototyping. The 28-pin SOIC wide-body footprint is shared with many PIC16C and PIC16F family members, enabling direct migration paths when re-programmability becomes desirable.

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PIC16C62A-04E/SP - 4MHz 8-Bit CMOS MCU 3.5KB OTP | 28-SPDIP
PIC16C62A-04E/SP

PIC16C62A-04E/SP - 4MHz 8-Bit CMOS MCU 3.5KB OTP | 28-SPDIP

The Microchip Technology PIC16C62A-04E/SP is a member of the PIC16C6x family of 8-bit CMOS microcontrollers built on low-power, high-speed CMOS EPROM/ROM technology, delivered in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. The device integrates a RISC instruction set with 35 single-word instructions, 3.5KB (2K x 14) of One-Time-Programmable (OTP) program memory, and 128 bytes of RAM. It operates at up to 4 MHz across a wide 2.5V to 6.0V supply range and targets the Extended (-40C to +125C) operating temperature window. An 8-bit PIC microcontroller is a compact Harvard-architecture MCU that separates program and data memory, enabling simultaneous fetch and execute for deterministic instruction timing. PIC16C series devices sit in the PIC16F -> PIC16 family -> 8-bit MCU -> microcontroller hierarchy and are commonly deployed in cost-sensitive embedded control applications where Flash reprogrammability is not required and small footprint is critical. The PIC16C62A-04E/SP features 22 digital I/O pins, three 8-bit timer/counters (Timer0, Timer1, Timer2), a 13-channel 8-bit Analog-to-Digital Converter, a Universal Synchronous Asynchronous Receiver Transmitter (USART/SCI), and a capture/compare/PWM module. Power consumption is rated at 15 uA typical at 5V/4 MHz and 1 uA typical at 3V/32 kHz in standby, supporting battery-backed designs. Internally, the device uses a fully static design that allows the clock to be stopped without losing state, two 8-bit and one 16-bit timer for flexible event management, and a watchdog timer with its own on-chip RC oscillator for fail-safe operation. The architecture is engineered for deterministic interrupt response under 10 instruction cycles, making it suitable for closed-loop control and timing-sensitive industrial tasks. Typical applications include appliance control, sensor signal conditioning, low-end motor control, automotive body electronics, industrial automation sensor interfaces, and instrumentation front-ends. The wide 2.5V to 6.0V input range also supports battery charging and power-management subsystems. Designers should also note that as an OTP-EPROM device, the PIC16C62A-04E/SP is intended for mature, finalized designs where field firmware updates are not required.

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PIC16C62A-04E/SS - 8-Bit OTP MCU, 4MHz, 3.5KB | Microchip
PIC16C62A-04E/SS

PIC16C62A-04E/SS - 8-Bit OTP MCU, 4MHz, 3.5KB | Microchip

The Microchip Technology PIC16C62A-04E/SS is an 8-bit CMOS microcontroller based on Microchip's PIC16C core, featuring 3.5KB (2K x 14) of One-Time Programmable (OTP) EPROM program memory and 128 bytes of RAM in a 28-pin SSOP package. It operates at up to 4MHz with an extended temperature rating of -40C to +125C, making it suitable for industrial and automotive-grade embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripherals such as timers, I/O ports, and communication interfaces. The PIC16C62A belongs to the PIC16C family of low-cost, high-performance, fully-static 8-bit microcontrollers, which sit within the broader PIC architecture hierarchy: PIC10/12/16 baseline and mid-range -> 8-bit PIC MCU -> microcontroller -> embedded computing. The 04E suffix denotes 4MHz maximum clock and Extended temperature range. Key features include 22 digital I/O pins, three timers (Timer0, Timer1, Timer2), a 5-channel 8-bit Analog-to-Digital Converter (ADC), a synchronous serial port (SSP) supporting SPI and I2C, and a Universal Synchronous Asynchronous Receiver Transmitter (USART). The device supports a wide operating voltage range from 2.5V to 6.0V and consumes only 15 uA typical at 5V/4MHz and 1 uA typical at 3V/32kHz, making it well-suited for low-power and battery-backed designs. The architecture uses a RISC-like Harvard structure with separate program and data buses, allowing instruction fetch and data access to occur in the same cycle. The OTP EPROM-based program memory enables fast prototype development and low-volume production runs, while the fully-static design simplifies power management by eliminating the minimum clock speed constraint. The extended temperature range also enables deployment in harsh environment applications. Typical applications include industrial control systems, automotive body electronics, appliance control, sensor interface nodes, and simple consumer products. The combination of OTP memory and Extended temperature range targets engineers building production-ready designs that do not require in-field firmware updates. When designing with this device, carefully evaluate whether OTP memory fits your firmware iteration strategy. For prototype-heavy or in-field-updatable designs, consider the flash-based PIC16F62x family instead, which offers pin-to-pin compatibility in many variants. This page synthesizes distributor pricing, drop-in alternatives from the PIC16C family and across brands, and practical design notes not found in the manufacturer datasheet alone.

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PIC16C62A-04I/SP - 8-Bit 4MHz OTP MCU 28-SPDIP | Microchip
PIC16C62A-04I/SP

PIC16C62A-04I/SP - 8-Bit 4MHz OTP MCU 28-SPDIP | Microchip

The Microchip Technology PIC16C62A-04I/SP is an 8-bit RISC CMOS microcontroller in the PIC16C family, featuring 3.5KB (2K x 14) of One-Time-Programmable (OTP) program memory and 128 bytes of data RAM, housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. It runs at a maximum clock speed of 4 MHz, operates from a 5V supply, and exposes 22 I/O pins across two ports (PORTA and PORTB). An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals around an 8-bit data path. PIC microcontrollers follow a RISC (Reduced Instruction Set Computer) architecture, executing one instruction per instruction cycle (four clock cycles). The PIC16C62A belongs to the mid-range PIC16C family - itself a sub-family of Microcontrollers -> Integrated Circuits -> Semiconductors. OTP memory allows a one-time-only field programming, which is well suited to mature, low-cost, high-volume products. Key features of the PIC16C62A-04I/SP include 35 single-word instructions (only 25 are unique), a 14-bit instruction word, an 8-level deep hardware stack, an integrated Timer0 8-bit counter/timer with 8-bit prescaler, Timer1 16-bit counter/timer, Timer2 8-bit counter/timer, capture/compare/PWM (CCP) module, a 10-bit multi-channel analog-to-digital converter, synchronous serial port (SSP) supporting SPI and I2C, USART, watchdog timer with on-chip RC oscillator, and power-on reset (POR). The PIC16C62A uses a Harvard architecture with separate program and data buses, allowing instruction fetch and operand access to occur in the same cycle. The industrial-grade (-40C to +85C) operating range, indicated by the "I" suffix, makes it suitable for harsh-environment applications. The "04" speed grade corresponds to a 4 MHz maximum oscillator frequency. The device is well suited for low-to-medium complexity embedded control tasks where simple I/O, timing, and serial communication dominate. Typical applications include industrial automation control, motor control interfaces, sensor signal conditioning, simple consumer appliance controllers, HVAC control boards, and educational/hobbyist embedded platforms. The USART and SSP modules enable straightforward integration with sensors, displays, and host processors. When designing with the PIC16C62A, note that OTP memory cannot be erased or rewritten; use a windowed (JW) or Flash-based PIC16F equivalent for development and firmware iteration. Industrial temperature grade (-40C to +85C) is sufficient for most indoor and sheltered outdoor applications but does not cover automotive AEC-Q100 environments. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16C62A-04I/SS - 8-Bit 4MHz OTP MCU 3.5KB | Microchip
PIC16C62A-04I/SS

PIC16C62A-04I/SS - 8-Bit 4MHz OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16C62A-04I/SS is a low-cost, high-performance CMOS OTP 8-bit microcontroller from the PIC16C family, built on Microchip's PIC RISC core architecture and housed in a 28-pin SSOP package. The device integrates 3.5 KB (2K x 14) of one-time-programmable EPROM program memory, 128 bytes of data RAM, and runs at up to 4 MHz instruction throughput. The 'I' temperature grade and industrial voltage range of 2.5V to 6.0V make it suitable for industrial control applications. A PIC16C-series 8-bit microcontroller is a RISC-based (Reduced Instruction Set Computer) single-chip computer that integrates CPU core, program memory (ROM/EPROM/Flash/OTP), data RAM, peripheral timers, capture/compare modules, a watchdog timer, an analog comparator, and I/O ports onto a single silicon die. These MCUs are designed to provide deterministic interrupt response, low power consumption, and minimal external component count for embedded control. PIC microcontrollers sit in the broader hierarchy of microcontrollers -> embedded processors -> integrated circuits, and historically dominated low-cost 8-bit embedded designs. Key features include 33 single-word instructions with 14-bit instruction width, a 200 ns instruction cycle at 4 MHz oscillator, an 8-level deep hardware stack, power-on reset, power-up timer, oscillator start-up timer, and a watchdog timer with on-chip RC oscillator for reliable operation. The device includes 22 digital I/O pins, three timers (one 8-bit Timer0 and two 16-bit Timer1/Timer2-style counters, depending on peripheral set), a 16-bit capture/compare/PWM module, a USART serial port, and a parallel slave port. Architecturally, the PIC16C62A separates program bus (14-bit wide) and data bus (8-bit wide) in a Harvard architecture, allowing simultaneous instruction fetch and operand access, which boosts throughput relative to von Neumann 8-bit MCUs of similar clock rate. The CMOS EPROM process gives the part its low-power profile: 15 uA typical at 5V/4 MHz and 1 uA typical at 3V/32 kHz standby. Typical applications include industrial control logic, automotive body electronics, appliance controllers, security system sensor interfaces, and consumer remote-control transmitters. The OTP program memory and small SSOP footprint make the PIC16C62A a fit for cost-sensitive high-volume products where firmware is final and reprogramming is not required. For prototyping or production environments requiring re-programmability, consider the PIC16F62A Flash successor. When designing with this device, note that the OTP memory is one-time programmable: a windowed JW-package variant is required for development/erase cycles, and a flash-based migration part is recommended for new designs. Verify the industrial temperature grade (-40C to +85C) and decoupling on VDD/AVSS, and ensure the MCLR reset circuit is properly pulled up to VDD. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer product page, giving engineers a faster path to sourcing and replacement decisions.

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PIC16C62A-10/SO - 8-bit OTP MCU, 3.5KB EPROM, 22 I/O | Microchip
PIC16C62A-10/SO

PIC16C62A-10/SO - 8-bit OTP MCU, 3.5KB EPROM, 22 I/O | Microchip

The Microchip Technology PIC16C62A-10/SO is a 8-bit CMOS EPROM/ROM-based microcontroller in the PIC16C62A family, delivering 10 MHz operation in a 28-pin SOIC (0.295 inch / 7.50 mm width) package. It integrates 3.5 KB (2K x 14) of program memory, 128 bytes of RAM, and 22 digital I/O lines, organized around a RISC architecture with a fully static design that supports low-power and high-speed modes. A PIC16C6x-series 8-bit microcontroller is a RISC-based embedded controller built on low-power, high-speed CMOS EPROM/ROM technology. It belongs to the broader product family hierarchy microcontroller -> MCU -> embedded IC -> semiconductor, and is intended for applications that need deterministic instruction execution, low power draw, and a small instruction footprint. The PIC16C6x family is typically used in commercial, industrial, and extended-temperature equipment where OTP (one-time-programmable) memory is acceptable. Key features of the PIC16C62A-10/SO include a wide operating voltage range of 2.5 V to 6.0 V, with typical low-power consumption figures of 15 µA at 5 V/4 MHz and 1 µA at 3 V/32 kHz. The device is a fully static design and supports an external oscillator. Its 28-pin SOIC outline is compatible with industrial surface-mount manufacturing, and the 22 I/O pins provide ample flexibility for digital interfacing, keypad scanning, LED driving, and parallel bus applications. The PIC16C62A-10/SO uses a Harvard RISC core with a small instruction set optimized for C and assembly compilers. The 10 MHz clock combined with the PIC instruction pipeline yields roughly 5 MIPS of throughput, which is sufficient for control loops, simple sensor fusion, and human-machine interface logic. The EPROM-based program memory enables factory-programmed, high-volume, low-cost designs. Typical applications include industrial control logic, appliance control boards, automotive subsystems (non-safety), consumer electronics, security and alarm panels, and low-power sensor read-out systems. Designers choose this part for legacy 8-bit firmware reuse, OTP cost advantages, and the broad availability of PIC development tools. A primary design consideration is OTP memory: once programmed, the PIC16C62A-10/SO cannot be re-flashed in-circuit. For iterative development, prototype using a windowed or flash sibling (such as PIC16F62x) and migrate to PIC16C62A-10/SO for production. Also confirm whether the part is still recommended for new designs versus mature/legacy use. This page synthesizes current distributor pricing, package-level alternatives, and practical design notes that are not collected in a single location in the manufacturer datasheet.

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PIC16C62A-10/SP - 8-Bit 10MHz OTP MCU 3.5KB | Microchip
PIC16C62A-10/SP

PIC16C62A-10/SP - 8-Bit 10MHz OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16C62A-10/SP is an 8-bit CMOS RISC microcontroller from the PIC16CXX family, running at up to 10 MHz with 3.5 KB (2K x 14 words) of One-Time Programmable (OTP) 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. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, working RAM, and peripheral interfaces on one die. Within the broader semiconductor taxonomy, MCUs sit under microcontrollers, then embedded processors, then semiconductors. The PIC16C62A specifically belongs to Microchip's mid-range PIC16C family, which uses a 14-bit instruction word and Harvard architecture to deliver deterministic single-cycle execution for most instructions, making these parts a workhorse for cost-sensitive industrial and consumer control. Key features of the PIC16C62A-10/SP include a 10 MHz maximum operating frequency (the "-10" speed grade), 22 general-purpose I/O pins, 128 bytes of data RAM, integrated I²C and SPI synchronous serial ports, a 10-bit-resolution capture/compare/PWM module, an 8-bit timer/counter, a watchdog timer with on-chip RC oscillator, brown-out reset, power-on reset, and an operating voltage range of 2.5 V to 6.0 V. The OTP program memory enables low-cost, one-time field programming for high-volume production runs. Architecturally, the device separates program and data memory spaces (Harvard) and uses a 14-bit-wide instruction word with only 35 single-word instructions, simplifying code generation in assembly while supporting C compilers via Microchip's MPLAB XC8 toolchain. The high-performance RISC core executes most instructions in one instruction cycle (200 ns at 20 MHz, 400 ns at 10 MHz), and the 8-level hardware stack plus on-chip oscillator reduce external component count. Typical applications for the PIC16C62A-10/SP include industrial control and sensor interfacing, automotive body and chassis subsystems, appliance motor control, low-cost remote sensor nodes, HVAC damper and valve control, and battery-powered instrumentation. Its combination of OTP memory, through-hole SPDIP package, and wide operating voltage makes it well suited to legacy designs and field-replaceable modules where socketed reprogrammability is not required. When designing with this part, note that OTP memory cannot be erased, so firmware must be fully validated before programming. Programming voltage (typically 13 V on the VPP/MCLR pin) is required during device programming via Microchip's MPLAB PM3 or ICD tools. For new designs, Microchip designates the PIC16C62A as "Not Recommended for new designs" (NRND) and recommends the flash-based PIC16F62x family as the modern equivalent. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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