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PIC16C67T-10I/PQ - 14KB OTP 8-bit MCU, 10MHz, 44-QFP | Microchip
PIC16C67T-10I/PQ

PIC16C67T-10I/PQ - 14KB OTP 8-bit MCU, 10MHz, 44-QFP | Microchip

The Microchip Technology PIC16C67T-10I/PQ is an 8-bit CMOS RISC microcontroller in the PIC16C family featuring 14KB (8K x 14) of One-Time-Programmable (OTP) program memory, 368 bytes of RAM, and 33 digital I/O pins. The device operates at up to 10 MHz from a 5V supply and is housed in a 44-pin MQFP (Metric Quad Flat Pack) measuring 10 mm × 10 mm with gull-wing leads. The T suffix denotes tape-and-reel packaging and the I suffix denotes the industrial temperature grade of -40°C to +85°C. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and peripheral I/O on one die. The PIC16C67 belongs to Microchip's mid-range PIC® family, a register-rich RISC architecture optimized for deterministic interrupt response and very low static power consumption. PIC MCUs sit within the broader category of microcontrollers -> embedded processors -> integrated circuits. This device family pioneered Harvard memory architecture, OTP program memory, and instruction-pipelined execution - foundations that drove the widespread adoption of 8-bit MCUs in industrial control, automotive body electronics, and hobbyist embedded designs through the late 1990s and 2000s. The PIC16C67 integrates a 10-bit, 8-channel Analog-to-Digital Converter (ADC), a Universal Synchronous/Asynchronous Receiver-Transmitter (USART), a Synchronous Serial Port (SSP) for SPI and I²C, three 16-bit timer/counters, a Capture/Compare/PWM (CCP) module, and a parallel Slave Port. The wide digital I/O count (33 pins) plus analog and serial peripherals make it suitable for mixed-signal embedded nodes. The 14KB OTP memory holds the application firmware and is one-time programmable, which limits the part to production-grade designs where code is finalized. The mid-range PIC core executes most instructions in a single 200 ns cycle at 10 MHz and supports 35 instructions, 8 hardware stacks, and 8 levels of hardware interrupt priority. The 14-bit instruction word keeps code density high compared with 8-bit CISC MCUs of the same era. Power consumption is typically under 15 mA active at 5V/10 MHz, with brown-out reset, watchdog timer, and power-on reset built in. Typical applications include industrial control panels, motor control front-ends, instrumentation data acquisition, automotive body controllers, security systems, and embedded sensor hubs. Its 33 I/O pins comfortably drive segmented displays, keypads, and LED indicators alongside analog sensor inputs. In production white-label appliances, the OTP memory prevents code extraction, supporting IP protection. When designing with the PIC16C67, ensure programming socket compatibility if you plan to migrate to PIC16F flash variants. Brown-out reset and watchdog timer should be enabled in firmware for reliable industrial deployments. This page synthesizes Microchip distributor pricing, same-family drop-in alternatives, and practical design notes not found in the standalone datasheet, giving engineers a single source for evaluation, sourcing, and risk mitigation.

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PIC16C67T-10I/PT - 8-bit 10MHz OTP MCU, 14KB, 33 I/O | Microchip
PIC16C67T-10I/PT

PIC16C67T-10I/PT - 8-bit 10MHz OTP MCU, 14KB, 33 I/O | Microchip

The Microchip Technology PIC16C67T-10I/PT is an 8-bit CMOS OTP microcontroller from the PIC® 16C family, delivering 10 MIPS performance from a 10 MHz oscillator and integrating 14 KB (8K x 14) of one-time-programmable program memory with 368 bytes of RAM. It provides 33 digital I/O lines and is housed in a 44-pin TQFP (10x10 mm) surface-mount package, making it suitable for mid-complexity embedded control designs that require more I/O than smaller PIC16C6x parts can supply. A microcontroller (MCU) is a single-chip computer that combines a CPU core, program memory (ROM/Flash/OTP), working RAM, and programmable peripheral I/O on one silicon die. The PIC16C67 belongs to Microchip's mid-range PIC16 architecture family, sitting in the hierarchy: PIC16C67 -> PIC16C family -> PICmicro 8-bit MCU -> microcontroller -> embedded IC. Mid-range PIC devices use a 14-bit instruction word and a Harvard architecture with separate code and data buses, which gives deterministic instruction timing and predictable interrupt latency for real-time control. Key features include five 8-bit I/O ports (PORTA-PORTE with PORTE being 3-bit), three timer/counter modules (Timer0, Timer1, Timer2), two Capture/Compare/PWM (CCP) modules, a 10-bit 8-channel analog-to-digital converter, a synchronous serial port (SSP) supporting SPI and I2C, a USART for asynchronous or synchronous serial communication, and a watchdog timer with its own on-chip RC oscillator. The device supports in-circuit serial programming (ICSP) via two pins, allowing firmware to be loaded after PCB assembly. Architecturally, the PIC16C67 uses a RISC instruction set with only 35 single-cycle instructions, an 8-level deep hardware stack, and direct/indirect/relative addressing modes. The "-10" speed suffix denotes 10 MHz maximum clock (40 MHz internal cycle gives 100 ns instruction time). The "I" suffix indicates the industrial operating temperature range of -40 °C to +85 °C, while the "/PT" package suffix designates the 44-pin TQFP. Typical applications include industrial control panels, automotive body electronics, security and alarm systems, motor control for small BLDC or stepper drivers, and instrumentation front-ends. Because the program memory is OTP, the PIC16C67T is best suited to volume production where code is fixed and re-programmability is not required; design-prototype or low-volume builds typically migrate to the Flash-based PIC16F877 or PIC18F equivalents. When designing with this part, plan the oscillator and decoupling network first: place a 10 kΩ pull-up on MCLR, add 100 nF ceramic decoupling on each VDD/VSS pair, and reserve the ICSP pins (RB6/RB7) for in-circuit programming access. The OTP memory means firmware revisions cannot be applied after programming; build a Flash-based sibling (PIC16F877-I/PT) into the design if in-field updates are likely. This page synthesizes distributor pricing, drop-in alternatives from Microchip and Atmel/Microchip families, and practical design notes that go beyond the datasheet pin map alone.

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PIC16C67T-20/L - 8-Bit OTP MCU, 20MHz, 14KB, PLCC-44 | Microchip
PIC16C67T-20/L

PIC16C67T-20/L - 8-Bit OTP MCU, 20MHz, 14KB, PLCC-44 | Microchip

The Microchip Technology PIC16C67T-20/L is an 8-bit RISC microcontroller from the PIC16C family, integrating 14KB of one-time-programmable (OTP) program memory, 368 bytes of RAM, and 33 digital I/O pins, and it operates at up to 20MHz from a 5V supply. Housed in a 44-pin PLCC package measuring 16.59 x 16.59 mm, this part is supplied on tape-and-reel for high-volume assembly. What is a microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile data RAM, and a range of peripheral interfaces such as timers, capture/compare/PWM modules, serial ports, and digital I/O. PIC microcontrollers belong to the Harvard-architecture RISC family: instructions and data are kept in separate buses, the instruction set is small and orthogonal, and most instructions execute in a single oscillator cycle. The PIC16C series sits at the bottom of Microchip's 8-bit product hierarchy, beneath PIC10/PIC12, with PIC16C6x/7x/8x/9x parts targeting mid-range embedded designs. The PIC16C67T-20/L delivers 14KB (8K x 14) of OTP program memory and 368 bytes of RAM, with 33 I/O pins - more than enough for legacy control panels, instrumentation, and communication interfaces. Its 20MHz maximum clock rate yields a 200ns instruction time. The PLCC-44 (J-lead, surface-mount) package supports commercial-grade temperature ranges and is supplied on tape and reel. PIC16Cxx parts include built-in peripherals (timers, USART, capture/compare/PWM, comparators, and a watchdog timer) per Microchip's mid-range architecture reference manual. Typical applications include industrial control panels, motor-driver logic boards, sensor conditioning systems, embedded user-interface controllers, and legacy communications equipment that were designed around the PIC16C architecture. Because the program memory is OTP (one-time-programmable), the part is generally used for mature production designs rather than field-upgradable firmware. When selecting this part, verify that your design uses a compatible programmer (e.g. MPLAB PM3), that your firmware fits within the 8K x 14 instruction-word window, and that the PLCC-44 footprint matches the PCB. Because the PIC16C line is mature and in NRND/EOL territory, designers should plan for ongoing availability with the manufacturer or consider PIC16F flash-based equivalents for new designs.

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PIC16C67T-20/PQ - 8-Bit 20MHz OTP MCU 14KB | Microchip
PIC16C67T-20/PQ

PIC16C67T-20/PQ - 8-Bit 20MHz OTP MCU 14KB | Microchip

The Microchip Technology PIC16C67T-20/PQ is an 8-bit PIC® microcontroller built on the PIC16C core with 20MHz maximum operating speed, 14KB (8K x 14) of One-Time Programmable (OTP) program memory and 368 bytes of RAM, housed in a 44-pin Metric Quad Flat Pack (MQFP 10x10 mm). It is the tape-and-reel (T/R) packaging variant of the PIC16C67-20/PQ, targeting high-volume surface-mount production lines. A PIC microcontroller (Peripheral Interface Controller) is a family of Harvard-architecture microcontrollers originally developed by General Instrument and popularized by Microchip. PIC MCUs are RISC processors -> microcontrollers -> embedded processors -> semiconductors, distinguished by their compact instruction set (35 single-word instructions in the PIC16C family), deterministic execution and integrated peripherals. The PIC16C6X series specifically targets applications requiring a balance of moderate program memory, ample I/O and OTP programmability for cost-sensitive production. Key features of the PIC16C67T-20/PQ include 33 digital I/O pins, 14KB (8K x 14) OTP program memory, 368 x 8 bytes of data RAM, three 8-bit timer/counters, two Capture/Compare/PWM (CCP) modules, a USART serial port, and a 10-bit multi-channel Analog-to-Digital Converter (ADC). The 20MHz oscillator provides 5 MIPS throughput with a 200ns instruction cycle, and the device operates across the standard 4.5V-5.5V commercial supply range at 0-70C. The PIC16C67T-20/PQ uses a 14-bit-wide instruction word and a Harvard bus, separating program and data memory for predictable real-time behavior. Internal peripherals are accessible via Special Function Registers (SFRs), and interrupt handling is hardware-vectored with two priority levels. The 10-bit ADC, USART and dual CCP modules integrate most of the analog and digital glue logic typically required in industrial control front-ends. Typical applications include industrial automation controllers, motor control drivers, instrumentation front-ends, smart sensor nodes, and embedded control boards where OTP memory offers the lowest unit price in packaging applications and short programming cycles are acceptable. The wide I/O count (33 pins) supports keypads, LED displays and parallel peripheral expansion common in factory-floor equipment. When designing with this device, place a 0.1uF decoupling capacitor close to each VDD/VSS pair and follow the oscillator layout guidelines in the datasheet to minimize EMI. OTP memory can be programmed only once - verify firmware with a windowed or flash prototype (e.g., PIC16F877) before committing to OTP production units. This page synthesizes distributor pricing, drop-in alternatives from Microchip's same-family variants, and practical design notes not found in the manufacturer datasheet.

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PIC16C67T-20/PT - 8-Bit 20MHz OTP MCU, 14KB, 44-TQFP | Microchip
PIC16C67T-20/PT

PIC16C67T-20/PT - 8-Bit 20MHz OTP MCU, 14KB, 44-TQFP | Microchip

The Microchip Technology PIC16C67T-20/PT is an 8-bit CMOS OTP microcontroller from the PIC16C6x family running at up to 20 MHz, integrating 14 KB (8K x 14) of one-time-programmable program memory and 368 bytes of data RAM in a 44-pin TQFP package. Headline specifications include 33 digital I/O lines, hardware USART, MSSP (SPI / I2C), three timers, a 10-bit ADC channel set, and wide operating voltage from 2.5 V to 6.0 V. What is a PIC16C OTP microcontroller? The PIC16C6x family combines a RISC Harvard-architecture CPU core, ROM/EPROM program memory, and rich on-chip peripherals in a single CMOS IC. In the broader taxonomy it sits as: PIC16C6x -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. OTP memory means each device can be programmed once and is intended for low-cost production where flash reprogrammability is not required. Key differentiating features include the 20 MHz oscillator (50 ns instruction cycle), brown-out reset, watchdog timer, in-circuit serial programming through the ICSP interface, and a power-on reset generator that improves field reliability. The CMOS design is fully static, allowing the clock to be stopped for low-power sleep states. Architecturally the device uses a 14-bit-wide instruction word with only 35 single-word instructions, most of which execute in a single instruction cycle. This RISC design delivers deterministic throughput for real-time control loops. The 8-level hardware stack and 8-bit data path keep interrupt latency short and the interrupt-handling model consistent across the family. Typical applications include industrial automation controllers, sensor interface boards, HVAC controllers, motor drive front-ends, consumer appliance control, and embedded communication bridges where a fixed-program MCU is acceptable. The wide voltage range also supports battery-backed telemetry nodes. Designers should plan crystal/oscillator selection around the 20 MHz maximum and ensure decoupling capacitors are placed close to VDD/AVDD pins. Engineers porting from windowed EPROM PIC16C67 prototypes should note that the 'T' suffix on this part indicates Tape and Reel packaging, while OTP one-time programmability requires code to be fully verified before programming. This page synthesizes distributor pricing, drop-in alternatives from the same PIC16C6x family and Flash-based successors, and practical design notes not found in the manufacturer datasheet alone.

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PIC16C67T-20E/L - 8-Bit 20MHz OTP MCU 14KB | Microchip 44-PLCC
PIC16C67T-20E/L

PIC16C67T-20E/L - 8-Bit 20MHz OTP MCU 14KB | Microchip 44-PLCC

The Microchip Technology PIC16C67T-20E/L is an 8-bit CMOS OTP (One-Time Programmable) microcontroller from the PIC® 16C family, featuring 14KB of program memory (8K x 14 words), 368 bytes of RAM, and a 20 MHz maximum clock input, housed in a 44-pin PLCC (J-Lead) package with the "-20E" speed/operating-temperature suffix. The "T" in the part number indicates Tape and Reel packaging, while the "E" denotes the Extended operating temperature range commonly used for industrial and automotive in-cabin applications. What is an OTP microcontroller? An OTP MCU is a microcontroller whose program memory can be written only once by the user using a device programmer such as the MPLAB PM3; once programmed, the code is permanent and cannot be erased or rewritten. OTP devices sit in the broader hierarchy of: microcontroller (MCU) -> embedded controller -> semiconductor. They are differentiated from Flash-based MCUs (which allow in-circuit re-programming) and ROM-masked MCUs (factory-programmed at wafer fab), positioning OTP as a cost-optimized solution for mature production designs where firmware is frozen. Key features of the PIC16C67T-20E/L include 33 I/O pins, a 200 ns single-cycle instruction execution time (except for program branches which take two cycles), 35 single-word instructions to learn, an 8-bit data path, and a supply voltage range of 4.5V to 5.5V. The device supports both internal and external oscillator modes and integrates core peripherals such as timers, a USART, capture/compare/PWM modules, and a watchdog timer. Architecturally, the PIC16C67T-20E/L uses a Harvard-class RISC core with separate program and data buses, allowing instruction fetch and operand access to occur in the same cycle. The CMOS fully-static design ensures DC to 20 MHz operation across the rated temperature range, with low power consumption suitable for always-on industrial equipment. Typical applications include industrial control systems, automotive body and chassis ECUs, white-goods motor control, security and alarm panels, and embedded sensor interfaces. The wide operating temperature range makes it suitable for harsh environments without additional thermal management. When migrating designs from OTP to flash-based PICs (such as PIC18 or PIC16F1xxx families), verify peripheral register maps and pin assignments because the PIC16C6x series has a distinct I/O and interrupt architecture.

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PIC16C67T-20E/PT - 8-Bit 20MHz 14KB OTP MCU 44-TQFP | Microchip
PIC16C67T-20E/PT

PIC16C67T-20E/PT - 8-Bit 20MHz 14KB OTP MCU 44-TQFP | Microchip

The Microchip Technology PIC16C67T-20E/PT is an 8-bit CMOS EPROM/ROM-based microcontroller from the PIC16C family, featuring 14KB (8K x 14) of One-Time-Programmable (OTP) program memory, 368 bytes of RAM, and 33 digital I/O pins. It executes instructions at up to 20MHz (200ns instruction cycle) from a 4V to 6V supply and is housed in a 44-pin TQFP (10x10 mm) surface-mount package with tape-and-reel packaging. The "E" suffix denotes the Extended temperature grade (-40C to +125C) and the "T" denotes tape and reel. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (ROM/EPROM/Flash and RAM), and peripherals on one die. It belongs to the broader category of microcontrollers -> embedded processors -> semiconductors. PIC microcontrollers use a RISC architecture with a small, fixed instruction set optimized for deterministic real-time control in cost-sensitive applications. Unlike 32-bit Cortex-M parts, PIC16C devices target legacy industrial, automotive, and consumer designs where code size, power budget, and tool simplicity matter more than raw compute. Key features include 14KB OTP program memory, 368 bytes of RAM, three 8-bit timers (Timer0/Timer1/Timer2), a 10-bit multi-channel Analog-to-Digital Converter (ADC), Capture/Compare/PWM (CCP) modules, and serial peripherals including I2C, SPI, and USART. The device offers programmable brown-out reset (BOR), power-on reset (POR), watchdog timer (WDT), and an external oscillator interface. Peripherals such as PWM, ADC, and WDT make this MCU well-suited to closed-loop motor, power, and sensor-interface designs. The PIC16C67 architecture uses a Harvard-style separate code/data bus with a 14-bit instruction word and an 8-bit data path, achieving single-cycle instruction execution at the system clock rate. CMOS EPROM technology provides non-volatile program storage; the OTP windowed-EPROM variant enables prototype development with UV erasure, while the OT (one-time) variant is suited to volume production. Typical applications include industrial automation, consumer electronics, automotive body and chassis control modules, sensor interface boards, low-cost motor controllers, and legacy embedded systems requiring drop-in compatibility with the PIC16C6x family. Its 33 I/O pins and rich peripheral set support mixed-signal designs. When designing with this part, ensure a stable 4V-6V rail and a 20MHz external clock or ceramic resonator; insufficient decoupling on VDD/AVDD will degrade ADC accuracy. Because OTP memory cannot be reprogrammed in-circuit, plan for a flash-based PIC16F7x equivalent for prototypes and late-stage firmware revisions. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, supporting engineers in selecting and qualifying the PIC16C67T-20E/PT for both new designs and legacy maintenance.

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PIC16C67T-20I/PQ - 8-Bit 20MHz OTP MCU 14KB | Microchip
PIC16C67T-20I/PQ

PIC16C67T-20I/PQ - 8-Bit 20MHz OTP MCU 14KB | Microchip

The Microchip Technology PIC16C67T-20I/PQ is an 8-bit RISC CMOS microcontroller from the PIC® 16C family, featuring 14KB (8K x 14) of One-Time Programmable (OTP) program memory, 368 bytes of data RAM, and 33 digital I/O pins. Housed in a 44-pin MQFP (Plastic Quad Flat Pack, 10x10 mm) surface-mount package with gull-wing leads, it operates from a 4.5V to 5.5V single supply at industrial temperature grade (-40C to +85C). An 8-bit microcontroller (MCU) is a small, single-chip computer built around an 8-bit data path that integrates a CPU, program memory, data RAM, and peripherals. The PIC16C6X family belongs to Microchip's mid-range 8-bit MCU hierarchy (MCU -> 8-bit MCU -> PIC16 family -> PIC16C6X mid-range), and the PIC16C67 sits at the top of this mid-range tier with the largest program memory and most I/O. The PIC16C67T-20I/PQ is specifically the industrial-temperature, 20 MHz speed grade offered in tape-and-reel ('T') MQFP packaging, distinguished from the PIC16C67-20I/PQ by its tape-and-reel orientation for high-volume SMT assembly lines. The PIC16C67T-20I/PQ's 35-instruction RISC architecture executes every instruction in a single 200 ns cycle (except program branches, which take two cycles), giving it deterministic throughput for real-time control. Key features include three 8-bit and one 16-bit timer/counter modules, two analog comparators, a USART, an SSP module supporting SPI and I2C (master/slave), a watchdog timer with its own on-chip RC oscillator, programmable code protection, and selectable oscillator modes (XT, HS, RC, LP, and external clock). Architecturally, the device uses a Harvard bus structure with separate program and data paths and a 14-bit-wide instruction word, allowing any register to be used directly as an accumulator. The 8-level hardware stack and 35 single-word instructions deliver high code density versus CISC 8-bit alternatives, while OTP program memory enables rapid prototyping of mature designs destined for masked-ROM production. Typical applications include industrial process control, motor-control front-ends, sensor signal conditioning, embedded communication bridges, and instrumentation requiring deterministic 8-bit processing. The 33 I/O pins also make it well suited for HVAC controllers, security panels, and white-goods appliance control boards where cost-sensitive MCU integration outweighs the need for in-system re-programmability. When designing with this part, note that the OTP variant cannot be erased or re-programmed in-circuit, so firmware verification must be completed before final programming - designers typically use a windowed (UV-erasable) PIC16C67JW or a Flash-based PIC16F877 for development and validation, then commit the locked firmware to the OTP PIC16C67T for production. This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16C67T-20I/PT - 8-Bit 20MHz MCU, 14KB OTP, 44-TQFP | Microchip
PIC16C67T-20I/PT

PIC16C67T-20I/PT - 8-Bit 20MHz MCU, 14KB OTP, 44-TQFP | Microchip

The Microchip Technology PIC16C67T-20I/PT is an 8-bit PIC® RISC microcontroller with 20 MHz operating speed, 14 KB (8K x 14) One-Time-Programmable (OTP) program memory and 368 bytes of RAM, housed in a 44-pin TQFP (10x10 mm) surface-mount package with Tape & Reel packaging (suffix "T"). The device integrates 33 digital I/O pins, a 20 MHz internal instruction cycle, and a rich peripheral set including PWM, Watchdog Timer (WDT), Brown-out Detect/Reset (BOR), and Power-on Reset (POR). An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, and peripherals into one package. The PIC16C family uses a RISC (Reduced Instruction Set Computer) architecture with 35 single-word instructions, where every instruction executes in one instruction cycle (4 clock cycles). MCUs sit at the lowest tier of the embedded hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor device, and they remain dominant in cost-sensitive and deterministic control tasks where 32-bit processors are over-spec'd. Key features of the PIC16C67T-20I/PT include: (1) wide 4.0V to 6.0V supply voltage range for industrial power rails; (2) fully static CMOS design enabling DC to 20 MHz operation; (3) on-chip peripherals including a 10-bit ADC, two 8-bit timers and one 16-bit timer, an enhanced USART, MSSP (I2C/SPI), and capture/compare/PWM modules; (4) industrial -40C to +85C operating temperature range (the "I" suffix); and (5) three serial communication interfaces (I2C, SPI, UART/USART) for sensor networks and inter-MCU buses. Architecturally, the PIC16C67 uses Harvard memory separation with a 14-bit instruction word and 8-bit data path. Its OTP EPROM cell enables one-time field programming with cost advantages over Flash, suitable for mature high-volume industrial products. The brown-out detect and watchdog timer support safety-critical applications where lockup recovery is mandatory. Typical applications include industrial control modules, motor drive controllers (using the PWM module), sensor interface boards (using the ADC and I2C/SPI peripherals), building automation, and embedded legacy replacement of older 8051-based designs. The 44-TQFP package provides ample I/O for keypad scanning, LCD drive, and multi-sensor acquisition. When designing with this part, note that OTP memory cannot be re-programmed - firmware bugs require a board swap, not a reflash. Use the PIC16F877 Flash equivalent for prototypes or low-volume runs, and reserve the PIC16C67T-20I/PT for cost-optimized high-volume production. This page consolidates distributor pricing, pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers source, evaluate, and integrate the PIC16C67T-20I/PT into legacy and new designs.

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PIC16C71-04/SO - 8-bit OTP MCU, 4MHz, 1.75KB, ADC | 18-SOIC
PIC16C71-04/SO

PIC16C71-04/SO - 8-bit OTP MCU, 4MHz, 1.75KB, ADC | 18-SOIC

The Microchip Technology PIC16C71-04/SO is an 8-bit CMOS microcontroller from the PIC16CXX mid-range family, integrating 1.75KB (1K x 14) of One-Time-Programmable (OTP) program memory, 36 bytes of RAM, and a 4-channel 8-bit Analog-to-Digital Converter in an 18-pin SOIC package. It operates at 4MHz instruction execution (200ns per instruction) from a 5V supply, with 13 bidirectional I/O pins featuring individual direction control, an 8-bit Timer0 with 8-bit prescaler, and Brown-out Reset (BOR) circuitry for robust operation. The /SO suffix denotes the 18-SOIC (7.50 mm width) surface-mount package. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, RAM, and peripherals. The PIC16C71 belongs to Microchip's mid-range 8-bit architecture, which uses a 14-bit instruction word with only 35 single-word instructions, making it easy to program in assembly while offering enough performance for embedded control. As an OTP-EPROM device, it is intended for low-to-medium volume production where flash reprogrammability is not required, typically industrial, appliance, automotive aftermarket, and consumer applications where cost dominates over in-field reprogrammability. PIC16C71 parts have been superseded in many designs by flash-based PIC16F equivalents. The PIC16C71-04/SO delivers 200ns instruction execution at 4MHz clock input, true 8-bit arithmetic, hardware stack, watchdog timer, power-on reset, and the integrated 4-channel 8-bit ADC — a notable integration feature for a mid-1990s 8-bit MCU. Brown-out detection prevents code corruption at falling supply voltages, while the 13 I/O pins each carry individual TRIS direction control for mixed input/output bus designs. Device current is held below 2 mA typical at 5V/4MHz, and the part operates across the commercial 0C to +70C range (industrial -40C to +85C versions available separately). Typical applications include entry-level A/D conversion in automotive sensors, industrial control panels, appliance user interfaces, and low-cost consumer electronics. The on-chip ADC eliminates an external converter and reduces BOM cost in measurement and monitoring designs. Designers should note that the PIC16C71-04 family has been surpassed by flash-based PIC16F devices; for new designs, the PIC16F818/819/716 are commonly cited pin-compatible flash replacements with backward-compatible ADC code paths.

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PIC16C71-04I/SO - 8-Bit 4MHz MCU with 4-Ch 8-bit ADC | Microchip
PIC16C71-04I/SO

PIC16C71-04I/SO - 8-Bit 4MHz MCU with 4-Ch 8-bit ADC | Microchip

The Microchip PIC16C71-04I/SO is a low-cost, high-performance, CMOS, fully-static 8-bit PIC microcontroller from the PIC16CXX mid-range family, offering 4 channels of 8-bit analog-to-digital conversion in an 18-pin SOIC package. The device runs at 4MHz with 1.75KB (1K x 14) of One-Time-Programmable (OTP) program memory, 36 bytes of RAM, and 13 I/O pins, and it supports a wide operating voltage range from 2.0V to 6.0V across commercial, industrial, and extended temperature grades. An 8-bit PIC microcontroller is a RISC-based single-chip computer built on Harvard architecture with separate program and data buses, allowing instruction fetch and data access in a single cycle. Mid-range PIC16C devices sit between baseline PIC12/14 and enhanced PIC17/18 architectures, balancing code efficiency and I/O flexibility. OTP microcontrollers are programmed once and retain firmware for the lifetime of the part, making them well-suited for high-volume, cost-sensitive embedded products. Key features of the PIC16C71-04I/SO include a 4-channel 8-bit ADC, 25 mA/25 mA high sink/source current on I/O pins, and a wide 2.0V to 6.0V operating voltage range. Low-power characteristics are 15 uA at 5V/4MHz and 1 uA standby at 3V/32kHz. The 4MHz rated frequency is suitable for control-loop and human-machine-interface tasks where computational throughput is moderate but deterministic timing matters. Architecturally, the PIC16C71 uses a 14-bit instruction word and an 8-bit data path, with a hardware stack and interrupt controller supporting both internal and external sources. The integrated ADC eliminates the need for an external converter, reducing BOM cost and PCB area for sensor-interface designs. Typical applications include entry-level A/D systems in automotive sensors, industrial controllers, appliance controls, and consumer electronics. Its combination of integrated ADC, OTP memory, and small SOIC footprint makes it a strong fit for high-volume embedded products. Consider verifying current lifecycle status before new designs, as the PIC16C71 family predates flash-based PIC16F successors such as the PIC16F716. According to the manufacturer datasheet, the PIC16C71X family shares pin and code compatibility across PIC16C710, PIC16C71, PIC16C711, and PIC16C715 variants. This page synthesizes distributor pricing, drop-in compatible alternatives, and practical design considerations for engineers evaluating legacy PIC designs.

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PIC16C71-20I/P - 8-Bit OTP MCU, 1.75KB, 20MHz, 18-PDIP | Microchip
PIC16C71-20I/P

PIC16C71-20I/P - 8-Bit OTP MCU, 1.75KB, 20MHz, 18-PDIP | Microchip

The Microchip Technology PIC16C71-20I/P is a CMOS 8-bit one-time-programmable (OTP) microcontroller in the PIC16C family, delivering up to 20MHz operation with 1.75KB (1K x 14) of program memory and 36 bytes of RAM, housed in a through-hole 18-pin PDIP package. Key parameters include four 8-bit A/D converter channels, 13 digital I/O pins, an 8-bit Timer0 with 8-bit prescaler, brown-out reset (BOR), and an industrial operating temperature range of -40C to +85C. A PIC microcontroller is a compact Reduced Instruction Set Computing (RISC) processor that integrates CPU, RAM, non-volatile program memory, and peripherals onto a single CMOS die. PIC16C-series devices sit in the 8-bit MCU product hierarchy (PIC10/PIC12/PIC16/PIC18), belong to the broader category of microcontrollers and microcontrollers/MCUs, and ultimately fall under the system-level class of embedded controllers in power management, motor control, and signal acquisition subsystems. The PIC16C71 was Microchip's first PIC16 family member to integrate an on-chip ADC, enabling single-chip sensor-interface designs. The PIC16C71-20I/P executes a single 14-bit instruction word in 200ns at 20MHz and features only 35 single-word instructions, which simplifies code generation. The four-channel 8-bit successive-approximation ADC allows direct interface with analog sensors such as thermistors, potentiometers, or bridge outputs. Brown-out reset protects against code corruption during supply dips, and the 13 individually-direction-controlled I/O pins drive LEDs, keypads, low-side FETs, or UART/I2C bit-banged peripherals. Typical applications include low-cost 8-bit embedded control, sensor front-ends, industrial appliance controllers, and battery-powered instrument readouts. For each of these use cases the integrated ADC, low part count, and through-hole PDIP footprint favor hand-soldered prototypes and educational platforms where ease of reprogramming and breadboard compatibility outweigh the need for in-system flash updates. When designing with the PIC16C71-20I/P, verify that the chosen compiler toolchain (MPLAB XC8 legacy mode, CCS, or Hi-Tech PICC) supports the OTP EPROM variant, and ensure that the ICSP programming header is brought out to allow device programming after PCB assembly. The OTP memory can be programmed only once, so plan development iterations using a windowed (JW) or flash-based PIC16F equivalent first. This page synthesizes distributor pricing, drop-in alternatives within the same 18-PDIP footprint, and practical design notes not assembled in any single manufacturer datasheet.

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PIC16C71/JW - 8-bit MCU, 1.75KB EPROM, 20MHz, 18-CERDIP | Microchip
PIC16C71/JW

PIC16C71/JW - 8-bit MCU, 1.75KB EPROM, 20MHz, 18-CERDIP | Microchip

The Microchip Technology PIC16C71/JW is an 8-bit CMOS microcontroller in the PIC16CXX mid-range family, featuring 1.75KB (1K x 14) of UV-erasable EPROM program memory, 36 bytes of RAM, and a maximum operating frequency of 20MHz, all housed in an 18-pin CERDIP (JW) windowed package. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (ROM/EPROM/Flash), data memory (RAM), and peripheral I/O onto one silicon die. The 8-bit PIC family uses a Harvard architecture in which program and data are accessed from separate memories using separate buses, improving bandwidth over traditional von Neumann designs. Within the broader taxonomy, the PIC16C71 belongs to: microcontroller -> embedded microcontroller -> 8-bit MCU -> PIC mid-range family -> CMOS OTP/EPROM MCU. The /JW suffix indicates a CERDIP package with an integral quartz window that allows the EPROM to be erased under UV light - this is a development/engineering variant rather than a production part. Key features include four channels of 8-bit Analog-to-Digital (A/D) converter, an 8-bit Timer0 with 8-bit prescaler, 13 individually controllable digital I/O pins, a watchdog timer with its own on-chip RC oscillator for reliable operation, and brown-out reset (BOR) circuitry that holds the device in reset when VDD drops below a safe threshold. The device executes instructions in a 200ns single-cycle period at 20MHz, using only 35 single-word instructions - making it both powerful and easy to program. Typical applications include entry-level A/D conversion in automotive sensors, industrial control appliances, consumer products, and instrumentation front-ends. The on-chip 4-channel 8-bit ADC eliminates an external ADC chip, while the 20MHz PIC core and integrated peripherals reduce total system cost and BOM count. Designers choosing this part should plan around the CERDIP-18 mechanical footprint and ensure that the system does not depend on field re-programmability - the /JW window is intended for lab erasure and prototype development, not end-product firmware updates.

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PIC16C710-04/P - 8-Bit 4MHz OTP MCU 18-PDIP | Microchip
PIC16C710-04/P

PIC16C710-04/P - 8-Bit 4MHz OTP MCU 18-PDIP | Microchip

The Microchip Technology PIC16C710-04/P is an 8-bit RISC microcontroller from the PIC16C family, offering 4MHz operation, 896 bytes of One-Time Programmable (OTP) program memory (512 x 14 words), 36 bytes of data RAM, and 13 I/O pins in an 18-pin PDIP through-hole package. It executes instructions in a 200 ns instruction cycle and provides 4 channels of 8-bit Analog-to-Digital conversion with Brown-out Reset (BOR) protection, making it a classic PIC mid-range MCU. An OTP-based 8-bit microcontroller is a CMOS device whose program memory can be written once using a device programmer and is then read-only, enabling low-cost embedded designs without the masking NRE charges of older ROM parts. PIC microcontrollers belong to the RISC (Reduced Instruction Set Computer) family, here the PIC16 mid-range core, sitting within the broader hierarchy of microcontrollers -> 8-bit microcontrollers -> PIC microcontrollers -> PIC16 mid-range family. OTP parts are favored over flash for cost-sensitive, low-volume or one-time programmed applications where firmware is stable. Key features of the PIC16C710-04/P include 35 single-word instructions, an 8-bit Timer0 with 8-bit prescaler, 4-channel 8-bit ADC, brown-out detection for reliable resets, and 13 bidirectional I/O pins. The '04' speed suffix indicates a 4MHz maximum clock input. The 'P' suffix designates the 18-pin PDIP package. The part runs from 2.5V to 6.0V, supporting both battery and regulated 5V supplies commonly found in industrial and consumer designs. Architecturally, the PIC16C710 uses a Harvard-style 14-bit instruction word with separate program and data paths, and the mid-range core provides hardware stack, interrupt handling, and direct/indirect addressing. The integrated ADC multiplexes 4 analog inputs onto a single successive-approximation converter. Brown-out Reset protects against code corruption when VDD droops below the safe threshold, automatically resetting the part on power recovery. Typical applications include entry-level A/D signal sampling, automotive body and sensor modules, appliance control boards, industrial sensor front-ends, and consumer remote or interface products. The wide operating voltage and integrated peripherals reduce BOM cost for designs that previously required multiple external components. When designing with the PIC16C710-04/P, observe the in-circuit serial programming voltage and timing constraints. Decouple VDD with a 0.1 uF ceramic capacitor placed within 5mm of the supply pin, and route the analog AVin traces away from switching nodes. The OTP memory must be programmed before final assembly in through-hole boards. This page synthesizes distributor pricing, pin-compatible alternatives, and practical design notes not found in the bare manufacturer datasheet, providing a single reference for component selection.

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PIC16C710-04/SO - 8-bit OTP MCU, 4MHz, 4x ADC | Microchip
PIC16C710-04/SO

PIC16C710-04/SO - 8-bit OTP MCU, 4MHz, 4x ADC | Microchip

The Microchip Technology PIC16C710-04/SO is an 8-bit CMOS OTP microcontroller in the PIC16CXX mid-range family, operating at up to 4MHz with 896 bytes of program memory and 36 bytes of data RAM, housed in an 18-pin SOIC (SO) package. It integrates 4 channels of 8-bit Analog-to-Digital converter (ADC), 13 digital I/O lines, a watchdog timer, and a 13-bit instruction word architecture optimized for low-cost embedded control. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile data RAM, and configurable peripheral interfaces. PIC16C7XX MCUs belong to Microchip's mid-range architecture that sits between the baseline 12/14-bit cores and the enhanced 16-bit cores, offering a balance of code efficiency, peripheral integration, and low cost. Within the broader taxonomy, PIC16C710 belongs to: 8-bit MCU -> CMOS OTP microcontroller -> PIC16C mid-range family -> PIC16C71X sub-family. The OTP (One-Time-Programmable) variant uses EPROM-based program memory that can be programmed once but cannot be electrically erased, distinguishing it from Flash-based PIC16F parts that support in-circuit reprogramming. Key features of the PIC16C710-04/SO include 4 channels of 8-bit ADC, 13 digital I/O pins, 36 bytes of RAM, a watchdog timer with on-chip RC oscillator for reliable operation, power-saving SLEEP mode, and a wide 2.5V to 6.0V operating voltage range. The '04' speed grade designates a 4MHz maximum clock frequency. The 18-pin SOIC (Small Outline IC) package offers a compact footprint suitable for surface-mount designs where board space is constrained. The mid-range architecture executes most instructions in a single 200ns instruction cycle at 4MHz, providing deterministic throughput for control loops. Typical applications include entry-level A/D signal acquisition in automotive sensor interfaces, industrial process control front-ends, appliance control boards, and consumer electronics. The integrated ADC eliminates the need for an external converter, reducing BOM cost and PCB area. The PIC16C710 is well-suited for low-volume, cost-sensitive designs and as a development platform before migrating to flash-based PIC16F variants for production flexibility. When designing with the PIC16C710-04/SO, ensure VDD decoupling with 0.1uF ceramic capacitors placed close to the supply pin. The OTP memory programming window requires a high-voltage programming supply (typically 13V) - this is performed via ICSP using Microchip development tools. Consider migrating to PIC16F710 for in-circuit reprogrammability, or to PIC16C711 for 4KB program memory, both of which share pin-compatibility.

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PIC16C710-04/SS - 8-bit 4MHz OTP MCU, 4-ch ADC, SSOP-20 | Microchip
PIC16C710-04/SS

PIC16C710-04/SS - 8-bit 4MHz OTP MCU, 4-ch ADC, SSOP-20 | Microchip

The Microchip Technology PIC16C710-04/SS is a low-cost, high-performance 8-bit CMOS RISC microcontroller featuring 896 bytes of One-Time Programmable (OTP) program memory, 36 bytes of data RAM, and 13 digital I/O pins, housed in a 20-pin SSOP (Shrink Small Outline Package). It operates at a maximum clock frequency of 4 MHz with 200 ns instruction execution and includes an integrated 4-channel 8-bit Analog-to-Digital Converter (ADC), making it ideal for entry-level mixed-signal applications. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals around an 8-bit data path. Within the embedded-systems hierarchy, the PIC16C710 belongs to Microchip's PIC16CXX mid-range family, which sits between baseline PIC10/PIC12 devices and enhanced PIC17/PIC18 devices. This category of MCUs is widely used in automotive, industrial, appliance, and consumer applications where deterministic real-time control, low cost, and simple OTP programming are valued over large memory footprints. Key features include a 4-channel 8-bit ADC with selectable reference voltages, an 8-bit timer/counter, a watchdog timer, 13 bidirectional I/O pins, and an operating voltage range of 2.5 V to 6.0 V. The device also provides an internal/external oscillator selection, low-power SLEEP mode, and in-circuit serial programming (ICSP) capability. Its 35 single-word instruction set simplifies code development and enables compact, predictable firmware design. The PIC16C710 is fabricated in CMOS technology with fully static design, ensuring low power consumption and reliable operation across industrial temperature grades. Its RISC architecture delivers deterministic throughput suitable for closed-loop control and sensor acquisition tasks, while the integrated ADC eliminates the need for an external converter, reducing BOM cost. Typical applications include entry-level A/D conversion in automotive sensors, industrial control systems, white goods and home appliances, consumer electronics, and battery-powered instruments. The combination of OTP memory, 4 MHz operation, and integrated analog channels suits cost-sensitive designs where field programming or small firmware updates are required. When designing with the PIC16C710-04/SS, ensure that the oscillator configuration (RC, XT, HS, or LP) matches the chosen crystal or resonator, and place decoupling capacitors close to VDD/VSS. The OTP memory allows one-time programming only, so verification on a windowed (-JW) or EPROM-equivalent part is recommended during development before committing to OTP. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet. Engineers searching for a Microchip PIC16C710-04/SS replacement, cross-reference, or SSOP-20 equivalent will find verified specs, comparison tables, and application guidance here.

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PIC16C710-04E/SO - 8-Bit 4MHz OTP MCU, 13 I/O, 4 ADC | Microchip
PIC16C710-04E/SO

PIC16C710-04E/SO - 8-Bit 4MHz OTP MCU, 13 I/O, 4 ADC | Microchip

The Microchip Technology PIC16C710-04E/SO is an 8-bit CMOS RISC microcontroller with 896 bytes of One-Time-Programmable (OTP) program memory, 36 bytes of RAM, and 13 digital I/O pins, housed in an 18-pin SOIC package with a 4 MHz maximum oscillator frequency. It belongs to the PIC16CXX mid-range family and integrates a 4-channel, 8-bit Analog-to-Digital converter on-chip, making it a single-chip solution for entry-level mixed-signal embedded designs. An OTP microcontroller is a type of embedded processor whose program memory can be written exactly once by the user with application code and is non-volatile afterwards; it is the lowest-cost member of the programmable non-volatile memory hierarchy that also includes UV-erasable EPROM, Flash, and EEPROM. The PIC16C710 sits in the broader taxonomy of 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC, and the 16C mid-range architecture used here is one of the longest-lived 8-bit cores in the industry. Key features include 35 single-word instructions, a 14-bit instruction word, a 200 ns instruction cycle at 4 MHz, 4 channels of 8-bit ADC with selectable reference, an 8-bit timer/counter (TMR0), a Watchdog Timer with its own on-chip RC oscillator for reliable reset, and brown-out detection. Power consumption is low, and the part supports an industrial operating temperature range of -40C to +125C. Code protection and Power-on Reset are built in. The 18-SOIC package provides a low-profile, surface-mount footprint compatible with hand-soldering and standard SMT assembly. The architecture uses a Harvard design with separate program and data buses, a single accumulator (W) plus a 32-byte register file, and a hardware stack. The integrated ADC samples at the system clock rate and supports both single-ended and differential conversions on its four input channels, eliminating an external ADC in many designs and reducing both BOM cost and board area. Typical applications include entry-level automotive sensors, industrial control and appliance subsystems, consumer electronics, battery chargers, and simple closed-loop control such as thermostats and motor-speed controllers. The on-chip ADC is particularly useful for reading thermistors, potentiometers, or current-sense signals without an external converter. When designing with this part, note that OTP memory means firmware cannot be updated in the field; budget for a Flash-equivalent such as the PIC16F710 for prototypes and pre-production, and switch to the PIC16C710-04E/SO only after code is finalized. The -04E suffix denotes the 4 MHz speed grade and the extended temperature range; the /SO suffix denotes the 18-lead SOIC package. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes - information not aggregated on the manufacturer or distributor product pages themselves.

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PIC16C710-04I/P - 8-Bit 4MHz OTP MCU, 13 I/O, 4-CH ADC | Microchip
PIC16C710-04I/P

PIC16C710-04I/P - 8-Bit 4MHz OTP MCU, 13 I/O, 4-CH ADC | Microchip

The Microchip PIC16C710-04I/P is an 8-bit RISC microcontroller in the PIC16C family, featuring a 4 MHz maximum clock speed, 896 bytes (512 x 14) of One-Time-Programmable (OTP) program memory, 36 bytes of data RAM, and 13 digital I/O pins, all housed in a 18-pin PDIP (Plastic DIP) through-hole package. It integrates a 4-channel 8-bit Analog-to-Digital Converter (ADC), making it a complete mixed-signal solution for entry-level embedded designs. What is a PIC microcontroller? A PIC (Peripheral Interface Controller) is a family of 8/16/32-bit RISC microcontrollers originally developed by Microchip Technology. Within the broader taxonomy, PIC16C devices are CMOS, OTP-based members of the 8-bit mid-range family, sitting between PIC10/12/16 baseline devices and PIC18 enhanced devices. They are widely deployed where deterministic behavior, low cost, and ease of programming are prioritized over raw performance. The PIC16C710's 4-channel 8-bit ADC lets designers read analog sensors directly without an external ADC, while its 13 I/O pins drive LEDs, switches, keypads, and low-speed communication lines. The '04' speed grade and 4 MHz oscillator/clock option target low-EMI applications, and the 'I' suffix indicates the industrial temperature range (-40C to +85C). The OTP program memory is one-time programmable - cost-effective for volume production but not re-programmable. Architecturally, the device uses Microchip's Harvard RISC architecture with separate program and data buses, 35 single-word instructions, and a 14-bit instruction word. The integrated ADC samples at a programmable rate and can be triggered from software or from a Timer overflow. Power management is handled via Sleep mode and a selectable oscillator, allowing current draw to drop below a few microamps for battery-friendly designs. Typical applications include appliance control panels, automotive sensor interfaces (basic), industrial control boards, and consumer electronics requiring analog input and minimal digital logic. The 'I/P' package (industrial temperature, 18-pin PDIP) is well suited for prototyping on breadboards and for through-hole production assemblies. The same die is also available in 18-pin SOIC and 20-pin SSOP packages for surface-mount designs. A key design consideration is OTP memory: firmware must be fully verified before programming because OTP cannot be erased or rewritten. Designers planning iterative development cycles should evaluate the Flash-based PIC16F equivalents (e.g., PIC16F716) for development, then move to the OTP PIC16C710 for production cost savings.

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PIC16C710-04I/SO - 8-bit 4MHz OTP MCU, 18-SOIC | Microchip
PIC16C710-04I/SO

PIC16C710-04I/SO - 8-bit 4MHz OTP MCU, 18-SOIC | Microchip

The Microchip Technology PIC16C710-04I/SO is an 8-bit RISC CMOS microcontroller from the PIC16C71X family, operating at up to 4 MHz and delivering 896 bytes (512 x 14 words) of One-Time-Programmable (OTP) program memory in an 18-pin SOIC package. The part integrates 36 bytes of RAM, 13 general-purpose digital I/O pins, a 4-channel 8-bit Analog-to-Digital Converter (ADC), and a watchdog timer in a single industrial-temperature device, making it a self-contained embedded controller for cost-sensitive analog-front-end designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/Flash/OTP), working RAM, and peripheral interfaces. PIC microcontrollers use a Harvard RISC architecture with separate program and data buses, enabling single-cycle instruction execution. The PIC16C7X family sits in Microchip's mid-range portfolio, balancing instruction simplicity, low cost, and analog integration. It belongs to the broader 8-bit MCU category alongside 8051, AVR, and other legacy architectures, and feeds into the larger hierarchy of microcontrollers > embedded processors > semiconductors. Key features of the PIC16C710-04I/SO include 4 MHz maximum clock, 4-channel 8-bit ADC with 25 us conversion time, 13 digital I/O lines, 36 bytes of data RAM, an operating voltage range of 2.5 V to 6.0 V, and an industrial temperature grade (-40 C to +85 C). The OTP program memory is factory- or field-programmable one time only, which simplifies production for high-volume fixed-code applications while reducing per-unit cost compared to flash-based devices. The architecture combines a 14-bit instruction word with a separate 8-bit data path. A 2-level hardware stack, 8-bit timer/counter with programmable prescaler, watchdog timer with its own on-chip RC oscillator, and a power-on reset (POR) circuit are all integrated. Brown-out protection and a power-saving SLEEP mode reduce system-level current draw for battery-operated use cases. Typical applications include entry-level A/D signal conditioning in automotive sensors, white-goods control boards, simple industrial monitoring loops, and consumer-appliance user-interface controllers. The 4-channel ADC is well-suited to multi-sensor reading, while the small 18-SOIC footprint supports compact PCB layouts. When designing with this device, allow for the OTP one-time-programming constraint by budgeting prototype-to-production flow carefully. Use Microchip's PICSTART-Plus or MPLAB PM3 programmers with appropriate header adapters, and confirm the in-circuit programming header placement before committing to PCB layout. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the bare manufacturer datasheet.

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PIC16C710-04I/SS - 8-Bit 4MHz OTP MCU with 8-bit ADC | Microchip
PIC16C710-04I/SS

PIC16C710-04I/SS - 8-Bit 4MHz OTP MCU with 8-bit ADC | Microchip

The Microchip Technology PIC16C710-04I/SS is an 8-bit CMOS OTP (One-Time-Programmable) RISC microcontroller in a 20-pin SSOP package, running at 4MHz with 200ns instruction execution. It integrates 896 bytes of program memory (512 x 14 words), 36 bytes of RAM, and a 4-channel 8-bit Analog-to-Digital Converter, making it suited for entry-level mixed-signal applications in automotive, industrial, appliance, and consumer markets. The industrial temperature grade (-40C to +85C) suffix "/I" qualifies the part for harsh-environment deployments. An MCU (Microcontroller Unit) is a single-chip computer that integrates a CPU core, program memory (ROM/Flash/OTP), working RAM, and peripheral interfaces such as ADC, timers, and I/O. The PIC16C710 belongs to Microchip's mid-range PIC16CXX family, employing a RISC (Reduced Instruction Set Computer) architecture with only 35 single-word instructions, eight-level deep hardware stack, and multiple internal/external interrupt sources. This lineage is upwards-compatible with the PIC16C5X and PIC12CXXX baselines, easing legacy firmware migration. Key features of the PIC16C710-04I/SS include 13 digital I/O pins, a Watchdog Timer with on-chip RC oscillator for reliable operation, power-saving Sleep mode, in-circuit serial programming capability via two pins, and an 8-bit Timer0/1 with programmable prescaler. The on-chip 4-channel 8-bit ADC delivers 20us conversion time, sufficient for low-speed sensor acquisition such as temperature, light, or potentiometric feedback in closed-loop control. Brown-out Reset circuitry protects against low-voltage corruption of program execution. The CMOS fully-static design eliminates the need for a minimum clock rate, allowing the device to operate from DC up to its 4MHz maximum. Program memory is OTP, meaning each unit can be programmed exactly once - appropriate for high-volume production but unsuitable for development cycles that require reprogramming. The SSOP-20 (5.3 mm body width, 0.65 mm pitch) footprint offers a compact outline while remaining hand-solderable for prototyping. Typical applications include white-goods and HVAC control boards, automotive sensor interfaces (battery monitors, lighting controls), battery chargers, small motor controllers, and consumer products such as coffee machines, washing machines, and security keypads. The integrated ADC enables direct connection to analog sensors without external signal conditioning. Designers should pair the PIC16C710-04I/SS with a decoupling 100nF ceramic capacitor on VDD placed within 5 mm of the pin, follow Microchip's recommended oscillator layout, and reserve the MCLR pin for either a reset switch or proper pull-up. For prototype work, consider the pin-compatible PIC16F710 Flash variant to enable firmware iteration. This page synthesizes distributor pricing, parametric cross-reference data, and practical design notes that complement, but do not replace, the manufacturer datasheet.

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PIC16C710-20/P - 8-bit OTP MCU, 20MHz, 13 I/O | Microchip | DIP-18
PIC16C710-20/P

PIC16C710-20/P - 8-bit OTP MCU, 20MHz, 13 I/O | Microchip | DIP-18

The Microchip Technology PIC16C710-20/P is an 8-bit CMOS microcontroller from the PIC16CXX mid-range family, delivering 20 MHz operation, 896 bytes of One-Time-Programmable (OTP) program memory (0.875 KB / 512 x 14 words), and 36 bytes of data RAM, packaged in a 18-pin PDIP through-hole enclosure (0.300 inch / 7.62 mm row spacing). Background: A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and programmable peripherals into one package. PIC16 mid-range MCUs are 14-bit instruction-word Harvard-architecture devices widely used for cost-sensitive embedded control. PIC16C-series parts use One-Time-Programmable EPROM rather than flash, meaning the program memory can be written once and is then read-only for the rest of its operational life. Within the PIC taxonomy, the PIC16C710 sits under mid-range 8-bit MCUs -> PIC microcontrollers -> microcontrollers -> microcontrollers & processors -> semiconductors. Key features include 4 channels of 8-bit Analog-to-Digital conversion on-chip, 13 digital I/O pins with programmable direction registers, a 20 MHz external oscillator input, an 8-bit timer/counter (TMR0) with an 8-bit prescaler, a Watchdog Timer with its own on-chip RC oscillator, and a Power-on Reset / Brown-out Reset combined circuit. The core is fully static CMOS, draws low operating current, and supports DC to 20 MHz clock input. Power supply range is 3.0 V to 6.0 V. Typical applications include entry-level A/D conversion in automotive sensor interfaces, industrial appliance controls, white goods and HVAC controls, and consumer-electronics user-interface boards where cost per node matters and the 4-channel 8-bit ADC is sufficient for the measurement task. Designers should reserve the four analog channels (RA0-RA3) for signals, use the remaining PORTA/B pins for digital I/O, and budget the OTP window-planning tool from Microchip before committing code. Power sequencing should respect the on-chip POR/BOR thresholds to avoid spurious reset events during brown-outs.

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PIC16C710-20/SO - 8-Bit OTP MCU 20MHz 4ch ADC SOIC-18 | Microchip
PIC16C710-20/SO

PIC16C710-20/SO - 8-Bit OTP MCU 20MHz 4ch ADC SOIC-18 | Microchip

The Microchip PIC16C710-20/SO is an 8-bit CMOS One-Time-Programmable (OTP) RISC microcontroller built on Microchip's PIC16CXX mid-range architecture, offered in a 18-pin SOIC (SO) commercial-temperature package. It executes instructions in 200 ns at 20 MHz from a single 5V supply and integrates 896 bytes of program memory, 36 bytes of data RAM, 13 general-purpose I/O pins, and a 4-channel 8-bit analog-to-digital converter. What is a PIC16CXXX microcontroller? The PIC16C family is Microchip's classic mid-range OTP-based 8-bit MCU line built around a Harvard RISC architecture that separates program and data memory. The PIC16C710 specifically combines a 14-bit instruction word, 8-bit data path, on-chip ADC, brown-out reset, and Timer0 in a compact 18-pin package. The 35 single-word instruction RISC core delivers ~5 MIPS at 20 MHz, and the integrated analog peripherals enable mixed-signal sensing without an external ADC. Key features include 4 channels of 8-bit A/D conversion (with one channel shared with the external voltage reference pin), an 8-bit Timer0 with an 8-bit programmable prescaler, brown-out reset (BOR) circuitry for reliable power-on behavior, an internal RC oscillator option, and wide operating voltage range from 3.0V to 6.0V. Power management includes sleep mode with wake-up via interrupt or watchdog timer, supporting battery-friendly designs. The 18-pin SOIC package measures 7.50 mm body width with standard 1.27 mm pitch. The PIC16C710 uses an enhanced CMOS process with static operation and a wide operating voltage window, with power dissipation rated below 1 W in active mode and a fraction of that in idle/sleep. The brown-out reset threshold is internally set to approximately 4.0V, guarding against VDD brown-out conditions that could corrupt program execution. Programming is via ICSP for development prototypes, while production units ship with one-time-programmable EPROM for cost-sensitive volume. Typical applications include white goods and appliance control boards, automotive body modules (under-hood and cabin), battery chargers, power-supply monitoring, HVAC sensor interfaces, and low-cost consumer products with mixed digital and analog requirements. The 4-channel 8-bit ADC is particularly well-suited to thermocouple, thermistor, potentiometer, or current-sensing front-ends. When designing with the PIC16C710-20/SO, place decoupling capacitors (0.1 µF ceramic plus 10 µF bulk) as close as possible to VDD/VSS pins and reserve the MCLR pin for an external reset network. For ADC accuracy, drive unused analog inputs to either rail and average multiple conversions to reduce noise. This page synthesizes distributor pricing, parametric drop-in alternatives from Microchip's pin/code compatibility chart, and design notes drawn from Microchip application notes and datasheet typical application circuits.

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PIC16C710-20/SS - 8-Bit MCU 896B OTP 13 I/O 20MHz SSOP | Microchip
PIC16C710-20/SS

PIC16C710-20/SS - 8-Bit MCU 896B OTP 13 I/O 20MHz SSOP | Microchip

The Microchip PIC16C710-20/SS is an 8-bit CMOS RISC microcontroller from Microchip's PIC16CXX mid-range family, featuring 896 bytes of one-time-programmable (OTP) program memory, 36 bytes of data RAM, 13 general-purpose I/O lines, and four channels of 8-bit Analog-to-Digital conversion in a 20-pin SSOP (0.209", 5.30mm width) package rated for 20 MHz operation. The OTP-based program memory and 4-channel ADC integration make this MCU a practical choice for entry-level mixed-signal designs where on-chip signal acquisition removes the need for an external ADC. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data RAM, I/O peripherals, and (in this case) an analog-to-digital converter on a single die. The PIC16C71X family targets cost-sensitive, mixed-signal embedded applications, occupying the mid-range tier in Microchip's PIC architecture hierarchy (PIC10/12/14/16/18/24/32). The PIC16C710's 8-bit RISC core executes most instructions in a single instruction cycle, providing deterministic throughput at clock rates up to 20 MHz. As part of the mid-range family, it sits below the PIC18 and dsPIC families in instruction richness and addressing capability, but above the PIC10/12 baseline families in peripheral integration. Key features include 4-channel 8-bit ADC with selectable reference, 13 digital I/O pins multiplexed with peripheral functions, a 14-bit instruction word, Harvard bus architecture separating program and data memory, and integrated Brown-Out Detect (BOD) and Power-On Reset (POR). The 8-bit ADC provides up to 4 single-ended input channels with conversion times suitable for low-bandwidth analog sampling. The SSOP-20 footprint balances board-area savings with hand-solder-friendly lead pitch and offers better thermal dissipation than smaller QFN packages at moderate clock frequencies. The PIC16C710 uses a modified Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and operand access. The OTP program memory is field-programmable, meaning each device is programmed once and cannot be electrically erased; this makes the part ideal for low-to-medium volume production where flash reprogrammability is not required. The integrated 8-bit ADC uses successive-approximation conversion with a configurable clock source, supporting both ratiometric measurements with VDD as the reference and absolute measurements using an external reference. Typical applications include automotive sensor interface nodes, industrial control front-ends, appliance control boards, and consumer product analog front-ends. Designers commonly pair the PIC16C710 with external op-amps for signal conditioning, EEPROM for non-volatile parameter storage, and discrete RS-232 or RS-485 transceivers for legacy communication links. The 20 MHz top clock speed provides 5 MIPS of throughput, ample for polling-based control loops and slow-protocol UART links. When designing with this device, note that OTP programming means firmware cannot be updated in the field; budget time for one-time prototypes using the UV-erasable PIC16C71 (windowed CERDIP) variant for development, then move to the PIC16C710-20/SS for production. Provide adequate decoupling near the VDD pin and route the ADC analog inputs away from high-frequency digital traces to preserve conversion accuracy. This page synthesizes distributor pricing, package-specific drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers and procurement teams a faster decision base for the PIC16C710-20/SS.

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PIC16C710-20E/P - 8-Bit 20MHz OTP MCU 18-PDIP | Microchip
PIC16C710-20E/P

PIC16C710-20E/P - 8-Bit 20MHz OTP MCU 18-PDIP | Microchip

The Microchip PIC16C710-20E/P is an 8-bit CMOS RISC microcontroller from the PIC16C7X family with 4 channels of 8-bit Analog-to-Digital (A/D) converter, 896 bytes of OTP program memory (512 x 14 words), 36 bytes of RAM, and 13 bidirectional I/O pins, housed in an 18-pin PDIP through-hole DIP package. An 8-bit microcontroller (MCU) is a single-chip computer containing a CPU, program memory, data RAM, and peripherals such as timers and ADCs. The PIC16C7X family sits within Microchip's mid-range PIC16 architecture, between the baseline PIC10/12/16 series and the high-pin-count PIC17/18 series. The integrated 8-bit ADC allows direct measurement of analog sensors without an external converter, which historically made the PIC16C710 a popular entry-level mixed-signal controller. Key features of the PIC16C710-20E/P include a 20 MHz maximum operating frequency, 8-bit Timer0 with 8-bit prescaler, brown-out detection circuitry for Brown-out Reset (BOR), 13 individually-direction-controlled I/O pins, and 14-bit instruction word architecture. The 5V operating voltage and 20 MHz clock deliver roughly 5 MIPS of throughput, suitable for simple control loops, sensor reading, and user-interface scanning. The 18-pin PDIP package is pin-compatible with the PIC16C711 and is widely used in legacy through-hole designs. Internally, the PIC16C710 uses a Harvard architecture with separated program and data buses, an accumulator-based ALU, and a single hardware stack. The 8-bit ADC has 4 input channels multiplexed onto a single sample-and-hold, with the conversion clock derived from the system oscillator. Brown-out Reset protects against code corruption when VDD drops below the BOR threshold. Typical applications include entry-level automotive body controllers, industrial sensor interfaces, appliance control boards, and consumer devices. The 4-channel ADC is particularly well-suited for monitoring multiple analog sensors - for example temperature, pressure, and humidity - in a single low-cost MCU. When designing with this device, ensure the system oscillator configuration matches the application's timing needs (RC, XT, HS, or LP modes), and that BOR is enabled for robust power-up behavior. The 18-pin PDIP footprint also makes the part suitable for breadboard prototypes and educational use. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for sourcing, replacement, and application guidance on this legacy PIC MCU.

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