PIC16C62AT-04/SO - 8-bit 4MHz OTP MCU 3.5KB 28-SOIC | Microchip
N.º de pieza: PIC16C62AT-04/SO ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $2.65 | $2,65 |
| 10 | $2.4 | $24,00 |
| 100 | $2.1 | $210,00 |
| 500 | $1.85 | $925,00 |
| 1.000 | $1.65 | $1.650,00 |
PIC16C62AT-04/SO Descripción general
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/Flash/EPROM/OTP), working RAM, and programmable I/O peripherals. The PIC16C6X family belongs to the industry-standard mid-range 8-bit PIC architecture (RISC instruction set, 14-bit instruction word), which is a sub-family of RISC microcontrollers, which itself sits inside the broader category of embedded processors / microcontrollers / integrated circuits. The 'C' suffix indicates CMOS EPROM/OTP technology, which allows the program memory to be written once by the user and is widely used for low-to-mid volume production where field re-programmability is not required.
Key features include a Harvard architecture with separate program and data buses, 22 GPIO supporting digital inputs, an integrated I2C/SPI peripheral (per third-party vendor descriptions), 8-bit timer/counter resources typical of the PIC16C6X family, low-power CMOS design, and wide operating voltage. The 28-SOIC package provides an industry-standard 1.27mm pitch SOIC outline suitable for hand-soldering and automated SMT assembly alike.
Technical depth: the PIC16C62A combines a 35-instruction RISC core (single-cycle except branches), an 8-level deep hardware stack, 14-bit wide instructions, and configurable peripheral features. The '04' speed grade denotes 4MHz maximum oscillator input, allowing instruction execution at 1 MIPS. The 'A' suffix indicates the improved silicon revision of the PIC16C62, with enhanced oscillator stability and peripheral refinements versus the original PIC16C62.
Typical applications include industrial control logic, appliance control boards, sensor-interface front-ends, simple motor-control sequencers, and embedded control subsystems where low-cost 8-bit or fixed-code OTP solutions are preferred over flash MCUs. The 28-SOIC footprint and standard PIC16C pinout also make it suitable for legacy board retrofits and educational/training hardware.
When designing with this device, ensure the MCLR/VDD/VSS decoupling and the oscillator selection match the chosen frequency mode (RC, HS, XT, or LP) and that the configuration-word bits are correctly programmed via the OTP programmer before code is committed to the device - OTP memory cannot be erased and re-written once programmed.
This page synthesizes distributor pricing, drop-in same-package alternatives, and engineering design notes that go beyond the bare Microchip datasheet to help procurement and design engineers evaluate, source, and substitute the PIC16C62AT-04/SO in production.
Alternativas directas para PIC16C62AT-04/SO — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC16C62AT-04/SO (mismo factor de forma y huella) — difiere en Program Memory Size, Maximum Clock Frequency, Package, Program Memory Type, RAM Size.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC16C62A-04/SO
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16C62A-10/SO
✅ Sustitución directa✓ En stock
$4.92 / unidad
Ver hoja de datos →PIC16C622A-04/SO
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
PIC16C621A-04/SO
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
PIC16F628A-I/SO
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$2.32 / unidad
Ver hoja de datos →PIC16C620A-04/SO
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$1.62 / unidad
Ver hoja de datos →PIC16C62AT-04/SO Valores máximos y características eléctricas
| Manufacturer | Microchip Technology |
| Product Family | PIC16C6X (PIC PIC 16C) |
| Core | 8-bit PIC16 RISC |
| Program Memory Type | OTP (One-Time Programmable) EPROM |
| Program Memory Size | 3.5 KB (2K x 14) |
| RAM | 128 bytes |
| Frecuencia de reloj máxima | 4 MHz (04 speed grade) |
| Instruction Throughput | Up to 1 MIPS |
| Instruction Word Width | 14 bits |
| I/O Pins | 22 |
| Tensión de alimentación | 5 V (PIC16C62A family) |
| Encapsulado | 28-pin SOIC (SO) |
| Tipo de montaje | Surface Mount |
| Process Technology | CMOS |
Configuración de pines de PIC16C62AT-04/SO
| Pin 1 | RA2 — PORTA I/O bit 2 (analog) |
| Pin 2 | RA3 — PORTA I/O bit 3 (analog) |
| Pin 3 | RA4/T0CKI — PORTA I/O bit 4 / Timer0 clock input |
| Pin 4 | RA5 — PORTA I/O bit 5 (also MCLR alternate) |
| Pin 5 | VSS — Ground reference |
| Pin 6 | RB0/INT0 — PORTB I/O bit 0 / external interrupt |
| Pin 7 | RB1 — PORTB I/O bit 1 |
| Pin 8 | RB2 — PORTB I/O bit 2 |
| Pin 9 | RB3 — PORTB I/O bit 3 |
| Pin 10 | RB4 — PORTB I/O bit 4 |
| Pin 11 | RB5 — PORTB I/O bit 5 |
| Pin 12 | RB6 — PORTB I/O bit 6 (ICD clock) |
| Pin 13 | RB7 — PORTB I/O bit 7 (ICD data) |
| Pin 14 | VSS — Ground reference (second VSS) |
| Pin 15 | OSC1/CLKIN — Oscillator input / external clock in |
| Pin 16 | OSC2/CLKOUT — Oscillator output / clock out |
| Pin 17 | RC0 — PORTC I/O bit 0 |
| Pin 18 | RC1 — PORTC I/O bit 1 |
| Pin 19 | RC2/CCP1 — PORTC I/O bit 2 / Capture-Compare-PWM |
| Pin 20 | RC3/SCK/SCL — PORTC I/O bit 3 / SPI SCK / I2C SCL |
| Pin 21 | RC4/SDI/SDA — PORTC I/O bit 4 / SPI SDI / I2C SDA |
| Pin 22 | RC5/SDO — PORTC I/O bit 5 / SPI SDO |
| Pin 23 | RC6 — PORTC I/O bit 6 |
| Pin 24 | RC7 — PORTC I/O bit 7 |
| Pin 25 | VDD — Positive supply |
| Pin 26 | MCLR/VPP — Master Clear reset (active low) / programming voltage |
| Pin 27 | RA0 — PORTA I/O bit 0 (analog) |
| Pin 28 | RA1 — PORTA I/O bit 1 (analog) |
Aplicaciones típicas
PIC16C62AT-04/SO es adecuado para 6 aplicacións: Industrial Control Logic, Appliance Control Boards, Sensor Interface Front-Ends, Simple Motor / Solenoid Sequencers, Embedded Control Subsystems, Legacy Board Retrofits and Educational Kits.
Industrial Control Logic
The PIC16C62AT-04/SO fits industrial control logic boards where fixed-code OTP memory is acceptable and 22 GPIO are sufficient for sensor/actuator interfacing. Its 4MHz 1-MIPS throughput handles sequencing, threshold comparison, and relay/SSR actuation in deterministic sub-millisecond response times; the 3.5KB OTP program memory accommodates state-machine control code with calibration tables. The 28-SOIC package supports hand-repairable prototype boards and volume SMT assembly. Designers benefit from the PIC16C6X family's mature toolchain (MPLAB, ICD programmers) and the wide industrial operating-temperature range of the PIC16C62A silicon.
Recomendado
Appliance Control Boards
The PIC16C62AT-04/SO is well-suited to appliance control boards such as washing-machine sub-controllers, dishwasher timers, and microwave key/display modules, where OTP memory locks the firmware permanently and prevents unauthorized field modification. The 22 digital I/O directly drive LED indicators, 7-segment displays via external transistors, keypad scanning matrices, and triac/relay interface circuits. The 4MHz clock keeps EMI low and the CMOS process yields low quiescent current for energy-standby modes. Its long-life-cycle status on the Microchip product tree makes it attractive for appliances with 10+ year production runs.
Recomendado
Sensor Interface Front-Ends
The PIC16C62AT-04/SO serves as a low-cost sensor interface front-end, digitizing analog sensor signals (via the PIC16C6X's 8-bit ADC or external ADC over I2C/SPI) and applying linearization, calibration, and protocol translation. Its 128 bytes of RAM buffer small sensor-data packets and its 22 GPIO handle multi-sensor muxing. The 4MHz throughput easily runs 8-bit ADC sampling rates up to ~50kHz. Typical deployments include temperature/humidity sensor hubs, simple pressure/flow transducers with on-board compensation, and HVAC building-automation sensor nodes.
Recomendado
Simple Motor / Solenoid Sequencers
The PIC16C62AT-04/SO can sequence stepper motors, DC brushed motors, and solenoid valves in low-cost automation where OTP memory is acceptable. The 22 GPIO connect to MOSFET/IGBT gate drivers (e.g., MCP1402) and to H-bridge drivers (e.g., VNH2SP30) for bipolar stepper control. The 4MHz clock provides 1 MIPS instruction throughput, sufficient for trapezoidal acceleration profiles and PWM commutation at modest RPM. The 28-SOIC package handles moderate-power dissipation comfortably and the CMOS core tolerates the noisy switching environment when paired with proper PCB layout.
Recomendado
Embedded Control Subsystems
The PIC16C62AT-04/SO fits as a dedicated control MCU inside larger embedded systems, offloading I/O-expansion, keypad, display, and housekeeping tasks from a higher-end host processor. Its I2C/SPI peripheral allows it to act as a slave to a Linux-class application processor, handling front-panel scanning, LED PWM, fan-speed control, and watchdog-style supervision. The 3.5KB OTP holds purpose-built housekeeping firmware and the 4MHz clock keeps standby power low. This pattern is common in set-top boxes, printers, industrial HMIs, and instrument front panels.
Recomendado
Legacy Board Retrofits and Educational Kits
The PIC16C62AT-04/SO is frequently used to repair and retrofit older industrial boards where the original PIC16C62-series OTP MCU has failed or needs replacement. Its identical pinout, footprint, and electrical characteristics to legacy PIC16C6X designs make it a one-to-one drop-in. Educational labs and trainer boards also use this part to teach PIC assembly/C programming, since the PIC16C6X instruction set and architecture are stable, well-documented, and supported by Microchip's MPLAB development environment with simulator, assembler, and debugger support.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC16C62AT-04/SO — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC16C62A-04/SO | PIC16C62A-10/SO | PIC16C622A-04/SO | PIC16F628A-I/SO |
|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Maximum Clock | 4 MHz | 4 MHz | 10 MHz | 4 MHz | 5 MHz (20 MHz Fosc input) |
| Program Memory | 3.5 KB OTP (2K x 14) | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB Flash |
| RAM | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 224 bytes |
| Memory Type | OTP EPROM | OTP EPROM | OTP EPROM | OTP EPROM | Flash (ICSP) |
| I/O Pins | 22 | 22 | 22 | 22 | 16 |
| Peripherals | I2C, SPI, Timers | I2C, SPI, Timers | I2C, SPI, Timers | I2C, SPI, Timers, USART (variant) | USART, I2C, SPI, Timers, PWM, Comparator |
Diferenciadores clave
- Tape-and-reel packaging variant on identical silicon (frente a PIC16C62A-04/SO)
- PIC16C6X mid-range maturity with 35-instruction RISC core (frente a PIC16C622A-04/SO)
- 4 MHz 1-MIPS throughput at the lowest cost in the family (frente a PIC16C62A-10/SO)
Notas de diseño
Place a 0.1 uF decoupling capacitor as close as possible between VDD (pin 25) and VSS (pin 14) of the PIC16C62AT-04/SO, with a trace length under 5mm to the IC pins. For noisy industrial boards, add a bulk 10 uF tantalum or ceramic capacitor at the board's MCU power-entry point. The PIC16C6X CMOS core draws low quiescent current but can produce transient switching noise on VDD if decoupling is insufficient, leading to sporadic MCLR resets or POR events.
Choose the oscillator mode (RC, LP, XT, HS) in the configuration word to match the resonator. For the -04 speed grade, the XT mode (up to 4MHz crystal) is the standard choice with two 22 pF load capacitors to VSS on OSC1/OSC2. The HS mode can also be used at 4MHz but draws more current; avoid HS mode if low standby current is required. For prototypes, the RC mode with a single resistor and capacitor allows operation without a crystal but adds frequency tolerance of typically 5-10%.
Route the MCLR pin (pin 26) with a 10 kohm pull-up to VDD and a 100 nF cap to VSS placed within 5mm of the pin to provide a clean reset signal and filter noise. If using the ICD (in-circuit debugger) feature on RB6/RB7, ensure those pins are not pulled strongly externally during programming. The 28-SOIC package gives comfortable routing on a 2-layer board with 0.2 mm (8 mil) traces and standard 1.27 mm SOIC land pads.
Remember that OTP memory on the PIC16C62AT-04/SO can be programmed only once - any code bug locked into the OTP cannot be fixed without replacing the chip. For prototype or low-volume designs, use the PIC16F628A-I/SO flash-reprogrammable alternative in the same 28-SOIC package, then migrate to the OTP PIC16C62A-04/SO for production once firmware is frozen. Also ensure the configuration-word bits (oscillator mode, watchdog, code protection, brown-out) are set correctly in your programmer before committing OTP.
Información de cumplimiento
Operating-temperature and RoHS/REACH compliance for this specific -04/SO tape-and-reel variant were not in the verified web data and are marked [DATA_NEEDED] in specs; consult Microchip's product environmental compliance page for the lot-specific declaration. Microchip is a member of the Responsible Minerals Initiative and is conflict-minerals compliant.
