PIC16C62B-04E/SO - 4MHz 8-bit OTP MCU 28-SOIC | Microchip
MPN: PIC16C62B-04E/SO ✗ انتهى عمره الإنتاجيPIC16C62B-04E/SO نظرة عامة
What is an OTP microcontroller? An OTP (One-Time Programmable) MCU is a microcontroller whose program memory can be written exactly once after manufacture using a device programmer; the bit cells are implemented as EPROM-style fuses rather than the floating-gate cells of flash memory. This makes OTP parts cost-optimized for high-volume production where firmware is finalized and code changes are not expected in the field, and they remain popular in automotive and appliance applications where supply continuity matters more than in-system reprogrammability.
Key features of the PIC16C62B include 22 digital I/O pins, three hardware timers (Timer0, Timer1, and Timer2 with PWM), a USART/SCI serial port, a 10-bit successive-approximation ADC with 8 channels, a synchronous serial port (SSP) supporting SPI and I2C master/slave modes, and a watchdog timer with its own on-chip RC oscillator for maximum reliability. The PIC16C core executes single-cycle instructions at 200ns (4MHz clock / 4) and offers 35 single-word instructions, while the brown-out reset and power-on reset blocks protect the system against supply transients.
The architecture is based on a Harvard-class RISC design with separate program and data buses, allowing instruction fetch and operand access in a single clock cycle. The 14-bit instruction word keeps the code density high for 8-bit control tasks, and the OTP EPROM cell is rated for data retention suitable for long-life industrial and automotive products. The wide 2.5V to 6.0V operating range also makes the part tolerant of unregulated supplies commonly seen in 5V and 4V battery-backed systems.
Typical applications include automotive body controllers and instrument clusters, appliance control boards, sensor signal conditioning, low-end motor control loops, and industrial IO modules. The extended temperature grade (-E suffix) specifically targets under-hood automotive and outdoor industrial environments where commercial-grade parts would otherwise fail.
When designing with the PIC16C62B, plan your firmware on a development-friendly part first, then burn the final code into the OTP die only after full validation. Because OTP memory cannot be erased, you must budget for a one-time programming cost per unit and choose a programmer that supports the PIC16C6x family OTP windowless devices.
This page synthesizes current distributor pricing, same-brand drop-in equivalents, cross-brand pin-compatible alternatives, and practical design notes that are not consolidated in any single manufacturer or distributor datasheet.
بدائل مباشرة لـ PIC16C62B-04E/SO — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع PIC16C62B-04E/SO (نفس عامل الشكل والبصمة) — يختلف في Package, Timers, Operating Temperature Range, RoHS Status, Operating Temperature.
PIC16C62B-04/SO
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16C62BT-04E/SO
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16C62B-04E/SP
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16C62AT-20E/SO
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
PIC16C62A-04E/SO
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16C622T-04E/SO
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16F72-I/SO
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16C62B-04E/SO الحدود القصوى والخصائص الكهربائية
| Core Processor | PIC |
| Core Size | 8-bit |
| أقصى تردد للساعة | 4 MHz |
| Program Memory Type | OTP (One-Time Programmable) EPROM |
| Program Memory Size | 3.5 KB (2K x 14 words) |
| RAM Size | 128 x 8 bytes |
| Number of I/O Pins | 22 |
| ADC | 10-bit, 8 channels |
| Timers | 3 (Timer0, Timer1, Timer2 with PWM) |
| Serial Interfaces | USART/SCI, SSP (SPI / I2C master-slave) |
| Supply Voltage Range | 2.5 V to 6.0 V |
| نطاق درجة حرارة التشغيل | -40 C to +125 C (Extended grade) |
| العلبة | 28-pin SOIC (SO), 300-mil, gull-wing |
| نوع التركيب | Surface Mount |
| Instruction Set | 35 single-word instructions, 200 ns instruction cycle |
| Watchdog Timer | Yes (with dedicated on-chip RC oscillator) |
| Brown-out Reset / Power-on Reset | Yes |
| حالة RoHS | Compliant |
تكوين أطراف PIC16C62B-04E/SO
| دبوس 1 | RA2/AN2/VREF- — PORTA bit 2 / ADC channel 2 / ADC negative reference |
| دبوس 2 | RA3/AN3/VREF+ — PORTA bit 3 / ADC channel 3 / ADC positive reference |
| دبوس 3 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| دبوس 4 | RA5/AN4/SS — PORTA bit 5 / ADC channel 4 / SSP slave select |
| دبوس 5 | RE0/RD/AN5 — PORTE bit 0 / parallel slave port read / ADC channel 5 |
| دبوس 6 | RE1/WR/AN6 — PORTE bit 1 / parallel slave port write / ADC channel 6 |
| دبوس 7 | RE2/CS/AN7 — PORTE bit 2 / parallel slave port chip select / ADC channel 7 |
| دبوس 8 | OSC1/CLKIN — Crystal oscillator input / external clock input |
| دبوس 9 | OSC2/CLKOUT — Crystal oscillator output / clock output |
| دبوس 10 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 clock input |
| دبوس 11 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 PWM output |
| دبوس 12 | RC2/CCP1 — PORTC bit 2 / CCP1 PWM output |
| دبوس 13 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| دبوس 14 | VSS — Ground reference |
| دبوس 15 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| دبوس 16 | RC5/SDO — PORTC bit 5 / SPI data out |
| دبوس 17 | RC6/TX/CK — PORTC bit 6 / USART async transmit / USART sync clock |
| دبوس 18 | RC7/RX/DT — PORTC bit 7 / USART async receive / USART sync data |
| دبوس 19 | VSS — Ground reference (optional second VSS pin) |
| دبوس 20 | VDD — Positive supply voltage |
| دبوس 21 | RB0/INT — PORTB bit 0 / external interrupt input |
| دبوس 22 | RB1 — PORTB bit 1 |
| دبوس 23 | RB2 — PORTB bit 2 |
| دبوس 24 | RB3/PGM — PORTB bit 3 / low-voltage programming input |
| دبوس 25 | RB4 — PORTB bit 4 |
| دبوس 26 | RB5 — PORTB bit 5 |
| دبوس 27 | RB6/PGC — PORTB bit 6 / ICSP clock |
| دبوس 28 | RB7/PGD — PORTB bit 7 / ICSP data |
التطبيقات النموذجية
PIC16C62B-04E/SO مناسب لـ 7 التطبيقs: Automotive Body Controllers, Appliance Control Boards, Industrial Sensor Signal Conditioning, Low-End Motor Control Loops, Battery-Powered Sensor Nodes, Instrument Cluster Drivers, Consumer Remote Controls & IR Emitters.
Automotive Body Controllers
PIC16C62B-04E/SO fits automotive body-control modules because its -40C to +125C extended temperature grade handles under-hood and cabin thermal stress. The 22 digital I/O pins drive relays, MOSFET gates, and switch-scan matrices for door locks, window lifters, seat controllers, and lighting clusters. The 10-bit ADC reads battery voltage (12V/24V bus), thermistors, and current-sense shunts with adequate resolution for diagnostic thresholds. The on-chip USART/SCI interfaces to a CAN or LIN transceiver for body-network connectivity. OTP memory suits high-volume sealed production where firmware is finalized, the PIC16C62B-04E/SO ships pre-burned in production, eliminating field-reprogramming risk.
موصى به
Appliance Control Boards
PIC16C62B-04E/SO serves as the main controller in washing machines, dishwashers, refrigerators, and microwave ovens where firmware is finalized and BOM cost dominates. The three timers support motor PWM, user-input debouncing, and watchdog supervision; the SSP port drives SPI EEPROM or LED-driver chains. The 3.5KB OTP stores the appliance control program and lookup tables for sensor calibration. Brown-out reset and power-on reset handle noisy AC-DC rails typical in white goods. Operating voltage 2.5V to 6.0V tolerates unregulated 5V rails.
موصى به
Industrial Sensor Signal Conditioning
PIC16C62B-04E/SO conditions and digitizes sensor signals in industrial IO modules where extended temperature operation is required. The 8-channel 10-bit ADC multiplexes multiple 4-20mA or 0-10V sensor inputs after external op-amp scaling, providing ~10mV resolution at 5V reference - sufficient for process-control thresholds. The USART/SCI uplinks to a host PLC or industrial gateway. The watchdog timer with on-chip RC oscillator maintains safe operation during transient brownouts. OTP memory secures calibration firmware from unauthorized field updates.
موصى به
Low-End Motor Control Loops
PIC16C62B-04E/SO drives low-end BLDC, stepper, and brushed DC motor control loops where cost is critical. The Capture/Compare/PWM module generates a 10-bit PWM at up to 4MHz tick for switching speeds up to 20kHz, suitable for small fan, pump, and solenoid drivers. The ADC samples back-EMF or current-sense resistors for closed-loop current limiting. The 22 I/O pins control direction, brake, fault, and enable lines plus IGBT/MOSFET gate drivers. Extended temperature grade supports industrial and appliance motor enclosures.
موصى به
Battery-Powered Sensor Nodes
PIC16C62B-04E/SO can serve in battery-powered sensor nodes that run from 3-4 AA cells, leveraging the wide 2.5V to 6.0V supply range. The ADC monitors battery voltage and sensor inputs while the USART transmits readings periodically. The on-chip watchdog and brown-out reset prevent corrupted operation as cells deplete. The PIC16C62B-04E/SO's OTP memory holds a fixed sensor-fusion algorithm in non-volatile storage, with no need for external EEPROM. Combined with a low-duty-cycle sleep loop, average current draw is sub-milliamps for multi-year battery life.
موصى به
Instrument Cluster Drivers
PIC16C62B-04E/SO drives automotive instrument clusters, gauge steppers, and warning LEDs. The PWM module controls backlight brightness and gauge pointer position via PWM-driven stepper drivers. The USART/SCI receives vehicle data from the body control module over a single-wire LIN interface, while the SSP port chains LED-driver chips for telltale indicators. The 22 I/O lines route switch inputs from stalks and steering-wheel buttons. Extended temperature grade and OTP memory make this an automotive-proven, cost-stable solution for high-volume cluster production.
موصى به
Consumer Remote Controls & IR Emitters
PIC16C62B-04E/SO can be used in universal remote controls and IR-based proximity sensors, leveraging its 22 I/O for keypad scanning, LED indicators, and IR emitter drive. The PWM module generates accurate 38kHz carrier for IR transmission protocols, and the ADC reads battery voltage and ambient-light levels. The 3.5KB OTP stores fixed command libraries for consumer TV/AV gear. Extended temperature grade supports outdoor and automotive cabin remotes.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC16C62B-04E/SO — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | PIC16C62B-04/SO | PIC16C62BT-04E/SO | PIC16C622T-04E/SO | PIC16F72-I/SO |
|---|---|---|---|---|---|
| Package | 28-SOIC (SO) | 28-SOIC (SO) - same | 28-SOIC (SO) - same | 28-SOIC (SO) - same | 28-SOIC (SO) - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Max Clock Frequency | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 20 MHz (5 MIPS) |
| Program Memory | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB OTP + 128B EEPROM | 3.5 KB Flash |
| RAM Size | 128 B | 128 B | 128 B | 128 B | 128 B |
| ADC | 10-bit, 8 ch | 10-bit, 8 ch | 10-bit, 8 ch | 10-bit, 8 ch | 8-bit, 5 ch |
| Operating Temperature | -40 to +125 C (Extended) | 0 to +70 C (Commercial) | -40 to +125 C (Extended) | -40 to +125 C (Extended) | -40 to +85 C (Industrial) |
| Memory Type | OTP EPROM (one-time) | OTP EPROM (one-time) | OTP EPROM (one-time) | OTP EPROM + on-chip EEPROM | Flash (reprogrammable) |
| Lifecycle Status | NRND (Microchip) | NRND | NRND | NRND | Active |
أبرز الفروقات
- Extended automotive temperature grade on the OTP die (مقابلPIC16C62B-04/SO)
- On-chip 10-bit ADC with 8 channels (مقابلPIC16F72-I/SO (flash successor))
- On-chip EEPROM option in the PIC16C622 sibling (مقابلPIC16C622T-04E/SO)
- Cost-optimized for sealed high-volume production (مقابلPIC16F72-I/SO (flash, ~2x cost))
ملاحظات التصميم
PIC16C62B-04E/SO is OTP (One-Time Programmable) and cannot be erased or rewritten. Every engineering prototype run is destructive - if the firmware has a bug, you discard the part and start with a fresh device. Plan to develop and debug your firmware on a flash-based PIC16F72 or PIC16F88 development board first, then transfer the validated hex image to the OTP production part only after full verification. Budget for a one-time programming cost and a programmer that supports the PIC16C6x OTP windowless devices (e.g., Microchip MPLAB PM3 or PICkit 3 with OTP adapter).
Decouple the VDD/VSS pins with a 100nF ceramic capacitor placed as close to the package as possible (within 3mm), plus a bulk 10uF tantalum or aluminum on the same rail. The PIC16C62B draws transient currents during oscillator startup and EEPROM/flash write cycles (although this OTP part has no write cycle on the die); adequate decoupling prevents the brown-out reset from mis-triggering on cold-start. For battery-powered designs, place the MCU in SLEEP mode between ADC conversions and use the watchdog interrupt to wake periodically.
Place the 4MHz crystal or ceramic resonator within 5mm of the OSC1/OSC2 pins with the load capacitors tied directly to ground. Keep digital switching traces (PWM, relay drive) at least 5mm away from the crystal traces to avoid pulling the oscillator. For the ADC, route analog input traces separately from digital I/O and add a small RC filter (1k + 100nF) at each ANx pin to suppress high-frequency noise that would otherwise fold back into the 10-bit conversion.
The PIC16C62B-04E/SO is rated for -40C to +125C junction operation, but the actual junction-to-ambient thermal resistance (theta_JA) of the 28-SOIC package is approximately 80 C/W. At maximum supply voltage (6.0V) and active CPU at 4MHz, internal dissipation is on the order of 15mW, so self-heating is negligible. In sealed automotive enclosures with limited airflow, derate the ambient temperature budget by 10-15C to account for enclosure solar gain.
معلومات الامتثال
RoHS compliant per Microchip product page and DigiKey listing. The -E temperature grade (-40C to +125C) targets automotive but the part itself is not formally AEC-Q100 qualified; for AEC-Q100 requirements, qualify the PIC16F72-I/SO or similar -Q1 part instead.
