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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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PIC16C62BT-20I/ML - 20MHz 8-bit OTP MCU, 3.5KB | Microchip
PIC16C62BT-20I/ML

PIC16C62BT-20I/ML - 20MHz 8-bit OTP MCU, 3.5KB | Microchip

The Microchip Technology PIC16C62BT-20I/ML is an 8-bit One-Time Programmable (OTP) CMOS microcontroller from the PIC® 16C family, featuring 3.5KB (2K × 14) of program memory, 128 bytes of RAM, and a 20 MHz maximum operating frequency. Housed in a 28-lead QFN (ML) exposed-pad package, this "BT" variant is supplied on tape and reel, with the "20" speed grade denoting 20 MHz / 200 ns instruction execution and the "I" temperature suffix indicating an industrial -40°C to +85°C operating range. What is a PIC microcontroller? A PIC microcontroller is a Harvard-architecture, RISC-based programmable logic controller that integrates a CPU, non-volatile program memory (ROM/OTP/Flash), RAM, EEPROM (in some variants), and a rich set of peripherals (timers, ADC, USART, I/O) into a single chip. The PIC® 16C series is Microchip's classic OTP-based 8-bit family, bridging the original 16C5x baseline and the modern Flash-based 16F family. PIC microcontrollers sit within the broader category of microcontrollers → embedded processors → semiconductors → integrated circuits. Key features of the PIC16C62BT-20I/ML include 35 single-word instructions (all single-cycle except program branches, which take two cycles), a 14-bit instruction word, and an 8-level deep hardware stack. Peripherals include a Capture/Compare/PWM (CCP) module, an 8-bit timer/counter, a watchdog timer, and up to 22 digital I/O pins. Its CMOS-OTP process yields very low power consumption (typically <2 mA at 5V/4 MHz), making it well-suited to battery-powered and industrial-control applications. Technically, the PIC16C62B employs a high-performance RISC CPU core with separate program and data buses (Harvard architecture), enabling simultaneous instruction fetch and operand access. The 14-bit wide program memory bus allows each instruction to include a literal operand, while the 8-bit data bus provides byte-level RAM and register access. This dual-bus design is the foundation of PIC's deterministic instruction timing. Typical applications include industrial control logic, sensor-interface front-ends, motor-control signal generation (using the CCP/PWM), low-cost consumer appliances, automotive body modules (industrial temperature grade only), and embedded control in long-life products where post-programming code changes are not required. The OTP nature makes the PIC16C62B ideal for high-volume production where code is finalized. When designing with the PIC16C62BT-20I/ML, note that OTP devices cannot be re-programmed in-circuit - firmware must be verified on a windowed (JW) or Flash equivalent (PIC16F62x) before production commits. The 28-QFN exposed pad requires adequate PCB thermal dissipation on the central e-pad for full electrical and thermal performance. This page synthesizes distributor availability, drop-in PIC family alternatives, package-specific pinouts, and practical design notes not always found in the original manufacturer datasheet.

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

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

The Microchip Technology PIC16C62BT-20I/SO is an 8-bit PIC microcontroller from the PIC16C6x family, featuring a high-performance RISC CPU core running at up to 20MHz clock speed, 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 surface-mount package. The part is specified for an industrial operating temperature range of -40C to +85C (the "I" suffix) and operates from a 4V to 5.5V supply rail, with 22 general-purpose digital I/O pins and on-chip peripherals including an MSSP module supporting both I2C and SPI connectivity. The "20" speed grade guarantees 20MHz operation across the full industrial temperature range, while the "T" suffix denotes tape-and-reel packaging. A PIC16C-series microcontroller (PICmicro) is an 8-bit Harvard-architecture RISC MCU based on the original Peripheral Interface Controller concept. Within the broader taxonomy it sits as: PIC16C -> OTP mid-range MCU -> 8-bit microcontroller -> embedded microcontroller -> semiconductor IC. The PIC16C6x family is part of Microchip's mid-range PICmicro lineup, which uses a 14-bit instruction word, 35 single-word instructions (all single-cycle except program branches, which take two cycles), and a separated program/data bus that allows instruction fetch and data access to occur in the same clock cycle. This combination of OTP memory, simple instruction set, and integrated peripherals made the PIC16C6x family a workhorse for industrial control, automotive body electronics, and consumer appliances in the 1990s and 2000s. Key features of the PIC16C62BT-20I/SO include a 20MHz maximum clock rate, 3.5KB of OTP EPROM program memory organized as 2K x 14, 128 bytes of data RAM, three timers (Timer0, Timer1, Timer2), a 10-bit or 8-bit ADC on related family members, a synchronous serial port (SSP) configurable for SPI master/slave or I2C master/slave, and a watchdog timer with on-chip RC oscillator for reliable system recovery. The device supports in-circuit serial programming (ICSP) through the RB6/RB7 pins, allowing firmware to be loaded after PCB assembly. From an architectural standpoint, the PIC16C62B uses a RISC core with a two-stage pipeline and a 14-bit-wide program memory bus, enabling single-cycle instruction execution for most opcodes. The internal oscillator option, combined with the wide 4V-5.5V supply range, makes the part tolerant of noisy industrial power rails. Compared to its PIC16C62 predecessor, the "B" revision typically adds brown-out detect and other robustness refinements; the "T" in this part number denotes tape-and-reel packaging and the "I" denotes industrial temperature range. Typical applications for the PIC16C62BT-20I/SO include industrial sensor interfaces, motor-control front-ends, white-goods control boards, security-panel keypads, low-cost SPI/I2C I/O expanders, and battery-powered metering nodes where the 4V-5.5V supply range and 20MHz throughput are adequate. Designers should note that the OTP variant cannot be re-programmed in the field; for development and rework a windowed ceramic DIP (JW) variant or a Flash-based PIC16F equivalent is preferred.

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PIC16C62BT-20I/SS - 8-Bit 20MHz 3.5KB OTP MCU 28-SSOP | Microchip
PIC16C62BT-20I/SS

PIC16C62BT-20I/SS - 8-Bit 20MHz 3.5KB OTP MCU 28-SSOP | Microchip

The Microchip PIC16C62BT-20I/SS is an 8-bit CMOS 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, 128 bytes of RAM, and 22 digital I/O pins, all housed in a 28-pin SSOP (Shrink Small Outline Package). The "T" suffix indicates tape-and-reel packaging, "20" denotes the 20 MHz speed grade, and "I" indicates the industrial temperature range of -40C to +85C, with a supply voltage range of 4.0 V to 5.5 V. What is a PIC16C OTP microcontroller? The PIC16C family is a family of 8-bit Harvard-architecture RISC microcontrollers originally introduced by Microchip with EPROM/OTP program memory. A PIC16C OTP MCU is a microcontroller that uses a one-time-programmable non-volatile memory to store firmware: the program can be written once during production and is retained for the device lifetime. PIC16C OTPs sit hierarchically under 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor, and they are intended for low-cost, small-footprint embedded control where code stability after programming is acceptable. Key differentiating features of this part include the PIC16C RISC CPU core with only 35 single-word instructions to learn, single-cycle instruction execution except for two-cycle program branches, fully static operation, and a wide operating voltage range up to 6.0 V per the family datasheet. Low-power consumption is a hallmark: 15 uA typical at 5 V/4 MHz and 1 uA typical at 3 V/32 kHz. Industrial-temperature operation and OTP memory together make the PIC16C62BT-20I/SS well suited for cost-sensitive production runs that do not require field re-programmability. The PIC16C62BT-20I/SS is built around the PIC16C RISC architecture with a separate 14-bit instruction word and 8-bit data path. It integrates 22 general-purpose I/O pins, on-chip peripherals (timers, A/D converter, comparators, and USART depending on variant), and supports in-circuit serial programming of the OTP array via Microchip's standard ICSP protocol. Internal oscillator and power-on reset support reduce external component count. Typical applications include appliance control, sensor signal conditioning, low-cost industrial controllers, and embedded legacy systems where firmware does not change after production. It is also used in white goods, HVAC sub-systems, and small motor-control boards. Because the program memory is OTP, this part is preferred for high-volume fixed-function designs where each unit is identical. When designing with the PIC16C62BT-20I/SS, ensure the system clock is sourced from an internal or external oscillator within the 20 MHz maximum and that the supply rail is regulated to 5 V +/-10 percent. The OTP array must be programmed before final test; plan a parallel programming socket or ICSP test point on the board. For engineering builds that require iterative firmware updates, choose the flash-based PIC16F equivalent in the same 28-SSOP footprint instead. This page synthesizes distributor pricing, drop-in same-package alternatives sourced from Microchip's PIC16C family, and practical design notes not found on a single manufacturer or distributor page.

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PIC16C63-04/SO - 8-Bit 4MHz OTP MCU, 7KB, 28-SOIC | Microchip
PIC16C63-04/SO

PIC16C63-04/SO - 8-Bit 4MHz OTP MCU, 7KB, 28-SOIC | Microchip

The Microchip PIC16C63-04/SO is an 8-bit CMOS OTP microcontroller in the PIC16C family, delivering 4 MHz CPU clock speed with 7 KB (4K x 14) of one-time-programmable program memory, 192 bytes of RAM, and 22 digital I/O pins in a 28-pin SOIC (0.295 inch / 7.50 mm width) package. It is rated for a 4 V to 6 V supply range, commercial 0 °C to +70 °C temperature grade, with low power consumption of 15 µA typical at 5 V/4 MHz and 1 µA typical at 3 V/32 kHz. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, RAM, peripherals, and I/O. The PIC16C63 belongs to the mid-range PIC16C6X family built on CMOS EPROM/ROM technology with a fully static design, sitting between 8-bit microcontrollers and the broader category of embedded microcontrollers in the semiconductor hierarchy. Its RISC architecture requires only 35 single-word instructions, with all instructions executing in one cycle except program branches which take two cycles. Key features include a high-performance RISC CPU, 8-bit data path, integrated peripherals such as timers, a USART (for PIC16C63) for serial communication, and on-chip oscillator options. The wide operating voltage and low power consumption make it suitable for both line-powered and battery-aware designs. The 28-SOIC surface-mount package supports high-density PCB layouts while remaining hand-solderable for prototyping. The PIC16C63-04 utilizes a Harvard-bus RISC architecture with separate program and data paths, enabling deterministic instruction timing. Its CMOS EPROM cell (windowed or OTP variant) provides low standby current and high noise immunity, while the fully static core permits operation down to DC clock speeds - useful for power-sensitive designs that switch between active and sleep modes. Typical applications include industrial control logic, embedded sensor interfaces, simple motor control, automotive body electronics (non-safety), and legacy embedded designs. The 22 I/O pins support keypad scanning, LED driving, and parallel bus interfacing to character LCDs. The integrated USART simplifies communication with PCs, RS-232/485 transceivers, or other MCUs. Because it is OTP, it is most appropriate for production runs where firmware is final; for field-updatable applications, consider PIC16F or PIC18 flash variants. A key design consideration is the OTP memory type - firmware must be complete and verified before programming, as OTP cannot be erased. Reserve the -04I/SP industrial-temperature variant for -40 °C to +85 °C deployments, and verify pin compatibility with newer PIC16F6X flash parts if migration is anticipated. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design considerations not collected in any single manufacturer document, drawing on current DigiKey, Mouser, Octopart, and LCSC listings.

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PIC16C63-04/SP - 4MHz 8-Bit OTP MCU, 7KB ROM, 28-SPDIP | Microchip
PIC16C63-04/SP

PIC16C63-04/SP - 4MHz 8-Bit OTP MCU, 7KB ROM, 28-SPDIP | Microchip

The Microchip Technology PIC16C63-04/SP is an 8-bit CMOS one-time programmable (OTP) microcontroller from the PIC16C6X family, operating at up to 4 MHz with 7 KB (4K x 14) of program memory, packaged in a 28-pin SPDIP (Skinny Plastic DIP). The PIC16C63-04/SP executes instructions in a 200 ns single cycle and is built around a high-performance RISC CPU core with only 35 single-word instructions, making it well suited for embedded control applications where deterministic timing and a compact code footprint are required. An 8-bit microcontroller (MCU) is a single-chip computer that integrates an 8-bit CPU, program memory, data RAM, and peripherals such as timers, capture/compare modules, and communication interfaces. The PIC16C63-04/SP belongs to the broader hierarchy: microcontroller -> embedded controller -> semiconductor -> integrated circuit. Its OTP program memory uses EPROM cells and is intended for prototyping or low-volume production; once programmed, the contents cannot be erased electrically, providing security against unauthorized read-back. Key specifications include 22 digital I/O pins, 192 bytes of data RAM, three timers (Timer0, Timer1 with capture, Timer2), a USART (SCI) for asynchronous serial communication, an I2C/SPI synchronous serial port (SSP), an 8-bit ADC-free architecture (this device does not include an A/D converter), and a programmable watchdog timer with its own on-chip RC oscillator. The device operates from 3.0 V to 5.5 V (one source indicates 4.0 V to 5.5 V for the -04 speed grade; refer to the manufacturer datasheet for the exact minimum). Power-down Sleep mode, code protection, and In-Circuit Serial Programming (ICSP) are supported. Typical applications include industrial control logic, sensor interfaces, motor-control signal conditioning, automotive body electronics (non-safety subsystems), appliance controllers, and low-cost consumer products that benefit from the PIC16C6X pin/code compatibility family. The 28-SPDIP package remains popular for through-hole designs, breadboard prototyping, and legacy system upgrades. Design considerations: ensure that oscillator selection (RC, XT, LP, HS) matches the application frequency; the -04 speed grade limits fOSC to 4 MHz. Place decoupling capacitors (0.1 uF typical) close to VDD/VSS, and route MCLR through the recommended reset network. For new designs, evaluate Flash-based PIC16F counterparts for in-circuit reprogrammability.

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PIC16C63-04E/SO - 8-Bit 4MHz OTP MCU, 7KB, 28-SOIC | Microchip
PIC16C63-04E/SO

PIC16C63-04E/SO - 8-Bit 4MHz OTP MCU, 7KB, 28-SOIC | Microchip

The Microchip Technology PIC16C63-04E/SO is an 8-bit CMOS OTP microcontroller in the PIC16C6X family, operating at 4 MHz with 7 KB of program memory (4K x 14), 192 bytes of RAM, and 22 digital I/O pins, housed in a 28-pin SOIC (SO) package. It executes 35 single-word RISC instructions, supports a wide operating voltage range of 2.5 V to 6.0 V, and is qualified to an extended industrial temperature grade of -40 °C to +125 °C. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and configurable peripheral interfaces such as timers, capture/compare/PWM modules, serial ports, and parallel I/O. Within the broader taxonomy, the PIC16C63 belongs to the 8-bit microcontrollers category, which sits below 16-bit and 32-bit MCUs in compute density but offers the lowest cost and simplest toolchain for embedded control. Its role in a system is to read sensor or user inputs, run deterministic firmware, and drive outputs such as relays, displays, indicators, or communication links. Key features of the PIC16C63-04E/SO include 192 bytes of data RAM, 128 bytes of EEPROM, three timers, a 5-channel 8-bit ADC, a USART for asynchronous and synchronous serial communication, an SPI/I2C synchronous serial port, and a capture/compare/PWM (CCP) module. The wide 2.5 V to 6.0 V supply range simplifies integration into 3.3 V, 5 V, and battery-backed designs, while typical run current of 15 µA at 5 V, 4 MHz, and 1 µA at 3 V, 32 kHz makes the part well suited to power-constrained applications. Architecturally, the PIC16C63 uses a Harvard RISC core with separate program and data buses, single-cycle instruction execution for most opcodes, and a 14-bit instruction word optimized for compact code density. The OTP (one-time programmable) program memory uses windowed EPROM technology, which makes this part particularly suitable for mature production runs where firmware is finalized. Typical applications include industrial control logic, automotive body and chassis subsystems, consumer appliance controllers, sensor signal conditioning front-ends, and embedded communication bridges. When designing with this part, place a 0.1 µF decoupling capacitor close to VDD and consider migrating to a Flash-based PIC16F equivalent for new designs, since OTP parts cannot be reprogrammed in-circuit. The PIC16C63-04E/SO is being phased out in favor of Flash devices in the same 28-pin SOIC footprint. This page synthesizes current distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, giving engineers a single reference for sourcing and migration decisions.

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PIC16C63-04E/SP - 8-bit CMOS MCU, 7KB EPROM, 22 I/O | Microchip
PIC16C63-04E/SP

PIC16C63-04E/SP - 8-bit CMOS MCU, 7KB EPROM, 22 I/O | Microchip

The Microchip Technology PIC16C63-04E/SP is an 8-bit RISC CMOS microcontroller built on EPROM/ROM technology, featuring 7KB of program memory (4K x 14), 192 bytes of RAM, and 22 digital I/O pins in a 28-pin SPDIP (SP) package. Operating up to 4 MHz clock speed (the "-04" speed grade), the part supports supply voltages from 4.0V to 5.5V and is qualified for the Extended temperature range (-40C to +125C). The "E" suffix denotes the EPROM windowed ceramic package variant used for prototyping and engineering development. A PIC microcontroller is a low-power, high-performance 8-bit RISC (Reduced Instruction Set Computer) MCU from Microchip's mid-range PIC16 family. PIC MCUs sit at the foundation of embedded control systems, providing deterministic single-cycle instruction execution, on-chip peripherals (timers, USART, capture/compare/PWM), and non-volatile program memory in a single chip. The PIC16C63 belongs to the mid-range PIC16C6X family, which uses EPROM (erasable programmable read-only memory) technology for code storage, allowing code to be erased via an ultraviolet window before reprogramming. This makes PIC16C parts well suited to engineering development, low-volume production, and applications where field firmware updates via UV erase are acceptable. Key features include a fully-static design supporting DC to 20 MHz operation, low-power consumption of 15 uA typical at 5V/4MHz and 1 uA typical at 3V/32kHz, three hardware timers, a USART serial port, 22 I/O pins, and a 14-bit instruction word. The architecture provides only 35 single-word instructions, all of which execute in a single cycle except for program branches (two cycles). Brown-out reset and power-on reset are integrated on chip, and an integrated watchdog timer improves field reliability. The SPDIP-28 (Skinny Plastic DIP) footprint is the industry-standard through-hole 0.3-inch DIP-28 mechanical outline, allowing easy breadboarding and socketed programming. The PIC16C63 is implemented using Microchip's CMOS EPROM/ROM technology with a Harvard architecture - separate program and data buses - enabling simultaneous instruction fetch and data access. The 8-bit ALU, 14-bit instruction width, and 8-level hardware stack provide deterministic real-time control. Compared with 8051-class MCUs, the PIC16C6X family delivers higher MIPS per MHz (4 MIPS at 10 MHz vs typically 1 MIPS for an 8051 at 12 MHz) and lower active current draw, making it attractive for battery-powered and thermally constrained designs. Typical applications include industrial control and automation, automotive body and chassis subsystems, instrumentation, sensor signal conditioning, low-speed serial communication links, and educational/development platforms. The USART peripheral supports RS-232/RS-485 communication, while the CCP module supports PWM output for motor or LED control. The EPROM windowed ceramic package is reserved for development only - high-volume production should migrate to the OTP (one-time programmable) PIC16C63-04/SP variant, which uses the same SPDIP-28 footprint but is lower cost. When designing with the PIC16C63-04E/SP, note that the EPROM windowed ceramic package is significantly more expensive than the OTP plastic variant, so it should be reserved for development and engineering samples. All PIC16C63 speed and temperature variants share the same SPDIP-28 pinout, enabling a single PCB layout to support engineering, prototype, and production builds. Ensure supply voltage is held within 4.0V to 5.5V, with decoupling capacitors placed close to VDD/VSS pins. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers select the right variant for development versus production.

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PIC16C63-04I/SP - 8-Bit 4MHz OTP MCU 7KB | Microchip
PIC16C63-04I/SP

PIC16C63-04I/SP - 8-Bit 4MHz OTP MCU 7KB | Microchip

The Microchip PIC16C63-04I/SP is an 8-bit CMOS OTP (One-Time Programmable) microcontroller based on the PIC16C PIC RISC architecture, operating at 4 MHz with 7 KB (4K x 14) program memory and 192 bytes of RAM, housed in a 28-pin SPDIP (Skinny Plastic DIP) package. The "I" suffix indicates the industrial temperature grade (-40C to +85C), while "/SP" designates the SPDIP through-hole package. What is a PIC16C OTP microcontroller? A PIC16C-series microcontroller is an 8-bit CMOS RISC MCU from Microchip Technology that uses One-Time Programmable (OTP) EPROM for program storage. The PIC16C63 belongs to the mid-range PIC family, which sits within the broader hierarchy: 8-bit microcontroller -> PIC micro -> PIC16C mid-range -> RISC CPU. The architecture offers 35 single-word instructions with single-cycle execution (200 ns at 20 MHz) except for program branches, which are two-cycle. It is purpose-built for embedded control where deterministic instruction timing and low component cost matter more than on-chip flash reprogrammability. Key features of the PIC16C63-04I/SP include 22 digital I/O pins, an 8-bit timer/counter (TMR0), a 16-bit timer/counter (TMR1), an 8-bit PWM module, a Watchdog Timer (WDT) with its own on-chip RC oscillator, Power-on Reset (POR), Brown-out Reset (BOR), and an analog comparator. The 4 MHz maximum clock speed is set by the "-04" speed suffix, distinguishing it from the -10 (10 MHz) and -20 (20 MHz) variants. The part is designed for 4V to 6V supply operation with low power consumption. Typical applications include industrial control, appliance control, automotive body electronics, sensor interfacing, low-end remote controls, and educational development boards. The 22 I/O pins and built-in PWM make it suitable for motor drive, lighting control, and simple closed-loop analog systems. The OTP memory is appropriate for high-volume production where firmware is fixed and reprogrammability is not required. When designing with this device, ensure your firmware is fully verified before programming because OTP parts cannot be erased and reprogrammed. Use the JW (windowed) ceramic package for prototype development, then move to the SPDIP or SOIC OTP version for production.

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