Microchip Technology

PIC16C63A-04I/SP - 8-Bit OTP MCU, 4MHz, 7KB | Microchip

Артикул: PIC16C63A-04I/SP ✓ Активен
В наличии Отправка в течение 1–3 рабочих дней
2.0 V to 6.0 V Vdss 15 µA typical Id 28-pin SPDIP (SP) Package 4 MHz Speed 7 KB (4K x 14) OTP EPROM Memory
От $5.36 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-09-17
Оптовые цены
Кол-во Цена за ед. Итого
1 $8.93 $8,93
10 $8.04 $80,40
100 $7.14 $714,00
500 $6.25 $3.125,00
1.000 $5.36 $5.360,00
ℹ️ Все цены указаны в USD

PIC16C63A-04I/SP Обзор

The Microchip Technology PIC16C63A-04I/SP is an 8-bit CMOS OTP microcontroller in the PIC16CXX mid-range family, delivering 4 MHz CPU performance with 7 KB (4K x 14) of one-time-programmable program memory and 192 bytes of RAM, housed in a 28-pin SPDIP (SP) package. Operating from 2.0 V to 6.0 V across commercial, industrial, and extended temperature ranges, the device consumes only 15 µA typical at 5 V / 4 MHz and as little as 1 µA at 3 V / 32 kHz, making it well suited to power-constrained embedded designs. According to the Microchip datasheet, the PIC16C63A employs an advanced RISC architecture with only 35 single-word instructions, all single-cycle except program branches which take two cycles. The part offers 22 digital I/O pins, three timers (Timer0, Timer1, Timer2), a capture/compare/PWM module, a USART for asynchronous/synchronous serial communication, a synchronous serial port (SSP) supporting SPI and I²C, and an 8-bit ADC with 5 input channels. The 28-SPDIP (SP) package provides robust through-hole mounting for industrial controls, instrumentation, and legacy equipment designs. Typical applications include motor control, sensor interfacing, low-power remote controls, embedded user interfaces, and industrial automation where the wide voltage range and low quiescent current are valued. For new designs, engineers should weigh the OTP nature of this part carefully: PIC16C63A is one-time-programmable and cannot be firmware-updated, so it is best reserved for mature production designs rather than iterative prototyping. Compared to flash-based PIC16F counterparts, the PIC16C63A offers slightly better ESD robustness and radiation tolerance but loses field re-programmability.

Аналоги без доработки для PIC16C63A-04I/SP — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с PIC16C63A-04I/SP (тот же форм-фактор и посадочное место) — отличается по Package, Program Memory Size, Timers, Operating Temperature Range, Program Memory Type.

Microchip Technology
Package: 28-SPDIP (0.300", 7.62 mm)
Program Memory Size: 7 KB (4K x 14)
Timers: TMR0 (8-bit), TMR1 (16-bit), TMR2 (8-bit)
Microchip Technology
Package: 28-SPDIP (0.300 inch, 7.62 mm)
Program Memory Size: 7 KB (4K x 14)
Timers: 2 x 8-bit, 1 x 16-bit
Microchip Technology
Package: 28-pin SPDIP (Skinny Plastic DIP, 0.300 inch)
Program Memory Size: 7 KB (4K x 14 words)
Operating Temperature Range: -40C to +125C (Extended, 'E' suffix)
Microchip Technology
Package: SSOP-28 (5.30 mm body width, 0.65 mm pitch)
Timers: 3 x 8-bit Timer/Counter
Microchip Technology
Package: 28-pin SOIC (SO), 7.50 mm width
Program Memory Size: 7KB (4K x 14)
Timers: TMR0 (8-bit), TMR1 (16-bit), TMR2 (8-bit)
Microchip Technology
Package: 28-pin SPDIP (SP) through-hole
Program Memory Size: 7 KB (4K x 14)
Operating Temperature Range: -40 °C to +85 °C (Industrial)
Microchip Technology
Program Memory Size: 7 KB (4K x 14) EPROM, UV-erasable
Operating Temperature Range: Commercial / Industrial (per datasheet)
Microchip Technology
Package: 28-pin SSOP
Program Memory Size: 7 KB (4K × 14)
Timers: 2 × 8-bit + 1 × 16-bit
Microchip Technology
Package: 28-pin SPDIP (Skinny Plastic DIP)
Program Memory Size: 7 KB (4K x 14)
Timers: Timer0 (8-bit) and Timer1 (16-bit)
Microchip Technology
Program Memory Size: 7 KB (4K x 14) OTP
Operating Temperature Range: -40 C to +85 C (Industrial)

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

PIC16C63A-04I/SO

✅ Прямая замена
📦 SOIC-28 (SO)
same die/speed, SOIC-28 surface-mount package instead of SPDIP-28

📋 Справочный аналог (нет в каталоге)

PIC16C63A-10I/SP

✅ Прямая замена
📦 SPDIP-28 (SP)
same SPDIP-28 pinout, 10 MHz speed grade (vs 4 MHz, +150% Fcy)

📋 Справочный аналог (нет в каталоге)

PIC16C63A-20I/SP

✅ Прямая замена
Microchip Technology
📦 SPDIP-28 (SP)
8-bit RISC Harvard (PIC16C) · OTP EPROM · 7 KB (4K x 14) · 192 bytes · 20 MHz · 200 ns · 2.5 V to 6.0 V · 22

✓ В наличии

$5.38 / шт.

Открыть даташит →

PIC16C63A-04I/SS

✅ Прямая замена
Microchip Technology
📦 SSOP-28 (SS)
8-bit PIC16C mid-range RISC · 35 single-word instructions · 7 KB (4K x 14) OTP EPROM · 192 bytes · Not present (OTP only) · 4 MHz (04 speed grade) · 4.0 V to 5.5 V (Industrial) · -40 °C to +85 °C (Industrial, 'I' suffix)

✓ В наличии

$5.55 / шт.

Открыть даташит →

PIC16F73-I/SP

✅ Прямая замена
📦 SPDIP-28 (SP)
same SPDIP-28 pinout, flash-based (vs OTP), 20 MHz, 10-bit ADC (vs 8-bit)

📋 Справочный аналог (нет в каталоге)

PIC16F876A-I/SP

✅ Прямая замена
📦 SPDIP-28 (SP)
same SPDIP-28 pinout, flash-based, 20 MHz, 14 KB program, 10-bit ADC, more peripherals

📋 Справочный аналог (нет в каталоге)

PIC16C63-04I/SP

✅ Прямая замена
Microchip Technology
📦 SPDIP-28 (SP)
PIC16C 8-bit RISC · OTP EPROM · 7 KB (4K x 14) · 192 bytes · 4 MHz · 22 · 4 V to 6 V · -40C to +85C (Industrial)

✓ В наличии

$4.1 / шт.

Открыть даташит →

PIC16C63A-04I/SP Максимальные параметры и электрические характеристики

Core Architecture 8-bit PIC16CXX mid-range RISC
Program Memory 7 KB (4K x 14) OTP EPROM
Data RAM 192 bytes
Data EEPROM Not present
Maximum CPU Clock 4 MHz
Operating Voltage Range 2.0 V to 6.0 V
I/O Pins 22
Timers 3 (Timer0, Timer1, Timer2)
Capture/Compare/PWM 1 CCP module
Communication USART (SCI), SSP (SPI/I²C)
ADC 8-bit, 5 channels
Instruction Set 35 single-word instructions
Корпус 28-pin SPDIP (SP)
Рабочая температура -40 °C to +85 °C (Industrial)
Supply Current (5 V, 4 MHz) 15 µA typical
Supply Current (3 V, 32 kHz) 1 µA typical
Programming Method OTP (one-time programmable)
Статус RoHS Compliant

Конфигурация выводов PIC16C63A-04I/SP

DIP-28 Package Pinout Diagram DIP-28 28-pin dual inline, 7.62mm pitch, JEDEC MS-001. 1 28 2 27 3 26 4 25 5 24 6 23 7 22 8 21 9 20 10 19 11 18 12 17 13 16 14 15 DIP-28
Контакт 1 MCLR/VPP — Master clear reset input / programming voltage
Контакт 2 RA0/AN0 — PORTA bit 0 / analog input channel 0
Контакт 3 RA1/AN1 — PORTA bit 1 / analog input channel 1
Контакт 4 RA2/AN2 — PORTA bit 2 / analog input channel 2
Контакт 5 RA3/AN3/VREF — PORTA bit 3 / analog input channel 3 / ADC voltage reference
Контакт 6 RA4/T0CKI — PORTA bit 4 / Timer0 clock input
Контакт 7 RA5/SS/AN4 — PORTA bit 5 / SPI slave select / analog input channel 4
Контакт 8 VSS — Ground reference
Контакт 9 OSC1/CLKIN — Crystal oscillator input / external clock input
Контакт 10 OSC2/CLKOUT — Crystal oscillator output / clock output
Контакт 11 RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 clock input
Контакт 12 RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / Capture-Compare-PWM 2
Контакт 13 RC2/CCP1 — PORTC bit 2 / Capture-Compare-PWM 1
Контакт 14 RC3/SCK/SCL — PORTC bit 3 / SPI clock / I²C clock
Контакт 15 RC4/SDI/SDA — PORTC bit 4 / SPI data in / I²C data
Контакт 16 RC5/SDO — PORTC bit 5 / SPI data out
Контакт 17 RC6/TX/CK — PORTC bit 6 / USART TX / USART clock
Контакт 18 RC7/RX/DT — PORTC bit 7 / USART RX / USART data
Контакт 19 VSS — Ground reference
Контакт 20 VDD — Positive supply voltage (2.0 V to 6.0 V)
Контакт 21 RB0/INT — PORTB bit 0 / external interrupt
Контакт 22 RB1 — PORTB bit 1
Контакт 23 RB2 — PORTB bit 2
Контакт 24 RB3 — PORTB bit 3
Контакт 25 RB4 — PORTB bit 4
Контакт 26 RB5 — PORTB bit 5
Контакт 27 RB6 — PORTB bit 6
Контакт 28 RB7 — PORTB bit 7

Типичное применение

PIC16C63A-04I/SP подходит для 7 применениеs: Industrial Motor Control, Battery-Powered Sensor Nodes, Appliance User Interface Panels, Automotive Body Electronics, Legacy Instrumentation and Measurement, Remote Control and IR Communication, Security and Access Control Panels.

🏭

Industrial Motor Control

The PIC16C63A-04I/SP fits low-cost industrial motor control applications including small DC motor drivers, stepper sequencers, and fan controllers. The integrated 8-bit ADC with 5 channels can read current-sense amplifiers and tachometer feedback directly, while the single CCP module delivers PWM at up to 10-bit resolution for smooth speed control. With 15 µA active current at 5 V, the part contributes minimally to driver-stage quiescent loss. Engineers typically pair it with gate drivers such as the IR2104 for full H-bridge control. Its OTP memory is acceptable for fixed-speed profiles where firmware is locked at production, and the 2.0 V to 6.0 V operating range supports both 3.3 V logic and 5 V motor rails.

🔋

Battery-Powered Sensor Nodes

The PIC16C63A-04I/SP's 1 µA typical sleep current at 3 V makes it well suited to battery-powered wireless sensor nodes where the MCU spends most of its life in sleep and wakes periodically to sample sensors and transmit data. The 2.0 V to 6.0 V operating range allows direct connection to two AA alkaline cells or a single Li-coin cell. The integrated SPI port supports modern low-power radios such as the nRF24L01+, while the 5-channel ADC can read temperature, humidity, or strain-gauge sensors directly. The 7 KB OTP program memory fits typical sensor-fusion firmware for environmental monitoring, and the USART supports RS-485 wired backhaul when wireless is not appropriate.

🏠

Appliance User Interface Panels

The PIC16C63A-04I/SP serves as a cost-effective controller for washing machines, microwave ovens, and HVAC control panels where the 22 I/O pins are sufficient to drive 7-segment LED displays, button matrices, and rotary encoders simultaneously. The CCP/PWM module can directly control buzzer tones and LED backlight brightness. With industrial temperature range of -40 °C to +85 °C and ESD tolerance typical of CMOS EPROM parts, the device handles the harsh electrical environment of white goods. The OTP memory prevents accidental firmware corruption by line-voltage transients, a critical advantage in cost-sensitive appliance designs where field returns are expensive.

🚗

Automotive Body Electronics

The PIC16C63A-04I/SP is used in automotive body-electronics modules such as seat controllers, mirror adjusters, and lighting timers where the wide 2.0 V to 6.0 V supply range tolerates 12 V battery transients after external regulation. The PIC16C63A's EPROM-based silicon offers proven tolerance to under-hood temperature and EMI extremes that flash parts sometimes struggle with. The 5-channel ADC monitors wiper-position potentiometers and ambient-light sensors, while the USART links to other body modules via LIN bus (with external transceiver). Production volumes are high and code is fully mature, making OTP memory an asset rather than a limitation. AEC-Q100 qualification should be verified for the specific lot.

📊

Legacy Instrumentation and Measurement

The PIC16C63A-04I/SP remains specified in legacy laboratory instruments, panel meters, and process-control transmitters where installed-base reliability is paramount and the OTP-programmed firmware has been validated over decades of field use. The 10-bit-equivalent ADC resolution (8-bit native) is sufficient for 4-20 mA loop readouts and thermistor linearization. The USART provides RS-232 or RS-485 communication to host PCs or PLCs. Designers retain the PIC16C63A rather than redesign around flash parts because long-term firmware stability is more important than field-update convenience for these mature products.

📡

Remote Control and IR Communication

The PIC16C63A-04I/SP serves as the host MCU in universal remote controls and IR-transceiver modules, leveraging its low 1 µA sleep current to deliver multi-year battery life from a single coin cell. The CCP module generates accurate 38 kHz carrier modulation for IR LEDs, while the external interrupt pins decode incoming RC5 or NEC protocol streams directly. The 22 I/O lines support large keypads, LCD interfaces, and rotary encoders typical of universal remote designs. The OTP memory locks in the code table at production, preventing accidental over-the-air firmware corruption during programming errors.

🔐

Security and Access Control Panels

The PIC16C63A-04I/SP is well suited to security-system keypad panels and access-control readers that need a rugged, low-power MCU with deterministic response time. The 35-instruction RISC core executes every instruction in one cycle (except branches), giving predictable scan-loop timing for keypad debounce and tamper-switch monitoring. The USART links the panel to a central controller via RS-485 multi-drop, while the I²C SSP port reads timekeeping from a DS1307 RTC and non-volatile parameter storage from an external EEPROM. OTP programming prevents code injection attacks that target field-updatable flash bootloaders, an advantage for security-certified installations.

Сводка рекомендуемых товаров

IR2104 Half-bridge gate driver paired with PIC PWM output Используется в: Industrial Motor Control PIC16F73-I/SP Flash-based alternative if field reprogrammability is required Используется в: Industrial Motor Control, Security and Access Control Panels PIC16C62B-04I/SP Lower-pin-count sibling for cost-sensitive variants Используется в: Industrial Motor Control nRF24L01+ 2.4 GHz radio connected via SPI for wireless sensor links Используется в: Battery-Powered Sensor Nodes TMP36 Analog temperature sensor fed into ADC channel Используется в: Battery-Powered Sensor Nodes PIC16C63-10/SO Microchip Technology Используется в: Battery-Powered Sensor Nodes PIC16C62B-20I/SP Microchip Technology Используется в: Appliance User Interface Panels ULN2003A Darlington array to drive relay coils from MCU outputs Используется в: Appliance User Interface Panels MCP2021 LIN bus transceiver paired with USART Используется в: Automotive Body Electronics PIC16F876A-I/SP Flash alternative for OTA-capable body modules Используется в: Automotive Body Electronics MAX485 RS-485 transceiver for industrial communication Используется в: Legacy Instrumentation and Measurement MAX232 RS-232 level shifter for legacy instrumentation ports Используется в: Legacy Instrumentation and Measurement PIC16C63A-04I/SS Microchip Technology Используется в: Legacy Instrumentation and Measurement TSOP38238 38 kHz IR receiver module connected to external interrupt Используется в: Remote Control and IR Communication BC847 NPN transistor to drive IR LED from CCP PWM output Используется в: Remote Control and IR Communication PIC16C620A-04I/P Lower-pin variant for simpler single-room remotes Используется в: Remote Control and IR Communication DS1307 I²C real-time clock for time-stamped access logging Используется в: Security and Access Control Panels 24LC256 I²C EEPROM for storing access credentials and event logs Используется в: Security and Access Control Panels
What is the program memory size of PIC16C63A-04I/SP?
The PIC16C63A-04I/SP contains 7 KB of program memory organized as 4K x 14 words of one-time-programmable EPROM. According to the Microchip datasheet, this 14-bit instruction width is standard for PIC16 mid-range cores and supports the 35-instruction RISC instruction set. Note that because the memory is OTP rather than flash, firmware cannot be erased or rewritten after programming.
What is the maximum operating frequency of PIC16C63A-04I/SP?
The PIC16C63A-04I/SP operates at a maximum CPU clock speed of 4 MHz, as indicated by the '-04' speed suffix in the part number. The wider PIC16C63A family is also offered in 10 MHz (-10) and 20 MHz (-20) speed grades. The 4 MHz limit applies when VDD is between 2.0 V and 6.0 V across the industrial temperature range.
Where can I buy PIC16C63A-04I/SP and what is the price?
The PIC16C63A-04I/SP is available from authorized distributors including DigiKey, Mouser, LCSC, and Xecor as of 2026-09-17. Pricing starts around $8.93 per unit at qty-1 and falls to approximately $5.36 at qty-1000. Lead time is generally stock-to-2 weeks for production quantities, though OTP inventory can fluctuate; check distributor real-time stock before placing volume orders.
What is the difference between PIC16C63A and PIC16C63?
The PIC16C63A is the revised silicon revision of the original PIC16C63, incorporating errata fixes and improved ADC behavior while maintaining the same 28-pin SPDIP/SOIC pinout and instruction set. Both parts share 7 KB of program memory and 192 bytes of RAM, but Microchip generally recommends the 'A' revision for new designs because the legacy PIC16C63 is fully obsolete. For drop-in replacement, the PIC16C63A is a strict superset.
What is the operating voltage range of PIC16C63A-04I/SP?
The PIC16C63A-04I/SP operates from 2.0 V to 6.0 V across the industrial temperature range of -40 °C to +85 °C. According to the Microchip datasheet, this wide voltage range allows direct operation from 2-cell battery packs, 3.3 V regulated rails, and 5 V nominal supplies without external level shifters. The internal brown-out reset is configurable within this range.
How many I/O pins does PIC16C63A-04I/SP have?
The PIC16C63A-04I/SP provides 22 digital I/O pins, all of which can be individually configured as input or output via the TRIS registers. Several pins are multiplexed with peripheral functions including analog ADC inputs, USART TX/RX, SPI/I²C, and external interrupts. The 28-pin SPDIP package exposes 22 I/O plus VDD, VSS, MCLR, OSC1, and OSC2.
What peripherals are integrated in PIC16C63A-04I/SP?
The PIC16C63A-04I/SP integrates three timers (Timer0 8-bit, Timer1 16-bit with capture, Timer2 8-bit PWM base), one CCP module providing capture, compare, and PWM functions, one USART for asynchronous/synchronous serial communication, one Synchronous Serial Port (SSP) supporting SPI master/slave and I²C master/slave, and a 5-channel 8-bit ADC. Watchdog timer with on-chip oscillator and brown-out reset are also included.
Is PIC16C63A-04I/SP suitable for new product designs?
The PIC16C63A-04I/SP is OTP-only and therefore best reserved for mature production designs where firmware is finalized and code updates are not expected. For new designs that may require in-field firmware updates, Microchip strongly recommends the flash-based PIC16F73 or PIC16F876A in equivalent 28-pin packages. The PIC16C63A retains advantages in ESD robustness and tolerance of high-temperature/EMI environments, so legacy industrial and automotive under-hood designs still specify it.
What is the best drop-in replacement for PIC16C63A-04I/SP?
The best drop-in replacements for PIC16C63A-04I/SP are PIC16C63A-04I/SO (SOIC-28 package variant, same silicon), PIC16C63A-10I/SP (10 MHz speed grade upgrade, same package), and PIC16C63A-20I/SP (20 MHz speed grade, same package). All three are pin-to-pin compatible in the 28-SPDIP footprint. For flash-based alternatives with the same pinout, PIC16F73-I/SP and PIC16F876A-I/SP are popular substitutes.
What is the difference between PIC16C63A-04I/SP and PIC16F73-I/SP?
The PIC16C63A-04I/SP is OTP-based at 4 MHz, while the PIC16F73-I/SP is flash-based at 20 MHz with the same 7 KB program memory and 28-SPDIP pinout. The flash-based PIC16F73 allows in-circuit serial programming and 1000+ erase/write cycles, which is essential for prototyping and field-updatable products. The PIC16C63A offers marginally better ESD and EMI tolerance but is restricted to one-time programming.
Where can I download the PIC16C63A-04I/SP datasheet PDF?
The official PIC16C63A-04I/SP datasheet (document number 30213G) is available as a free PDF download from Microchip's website at https://ww1.microchip.com/downloads/en/DeviceDoc/30213G.pdf. The datasheet contains complete electrical characteristics, timing diagrams, instruction set reference, memory maps, and programming specifications. Mirror copies are also indexed on alldatasheet.com and chipdig.com for convenience.
Where is the pinout for PIC16C63A-04I/SP documented?
The pinout for PIC16C63A-04I/SP is documented in section 1 of the Microchip datasheet and on page 1 of the programming specification. The 28-pin SPDIP pin assignments are: pin 1 = MCLR/VPP, pins 2 = RA0, pins 3 = RA1, pin 4 = RA2, pin 5 = RA3, pin 6 = RA4, pin 7 = RA5, pin 8 = VSS, pin 9 = OSC1/CLKIN, pin 10 = OSC2/CLKOUT, pins 11-14 = RC0-RC3, pin 15 = RC4, pin 16 = RC5, pin 17 = RC6, pin 18 = RC7, pin 19 = VSS, pin 20 = VDD, pins 21-28 = RB0-RB7.
Can PIC16F73 replace PIC16C63A-04I/SP on the same PCB?
Yes, the PIC16F73-I/SP is a pin-to-pin drop-in replacement for the PIC16C63A-04I/SP in the 28-SPDIP package. Both share identical pin assignments and the same 7 KB program memory capacity, with the PIC16F73 additionally offering flash reprogrammability, 20 MHz operation, and 10-bit ADC channels. Existing PIC16C63A boards will accept the PIC16F73 without PCB rework, though firmware may need adjustment for the flash memory model.
What is the quiescent current of PIC16C63A-04I/SP in sleep mode?
The PIC16C63A-04I/SP consumes approximately 1 µA typical at 3 V / 32 kHz during active operation and less than 1 µA in sleep mode with the watchdog timer disabled. According to the Microchip datasheet, sleep mode is entered via the SLEEP instruction and exits on watchdog timeout, external interrupt, MCLR reset, or POR. This low standby current makes the part suitable for battery-powered sensor applications.
What are the key specifications of PIC16C63A-04I/SP that engineers should know?
The PIC16C63A-04I/SP combines an 8-bit RISC core at 4 MHz, 7 KB OTP program memory, 192 bytes RAM, 22 I/O pins, USART, SPI/I²C, 5-channel 8-bit ADC, 3 timers, and one CCP module in a 28-SPDIP package, operating from 2.0 V to 6.0 V at -40 °C to +85 °C. Engineers should note the OTP programming model (one-time programmable, not flash), the 35-instruction RISC ISA, and the 15 µA active / <1 µA sleep current consumption.

Справочные инженерные данные для PIC16C63A-04I/SP — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the PIC16C63A-04I/SP when you need a stable, OTP-programmed 8-bit MCU with proven long-term availability for industrial, appliance, or automotive-body applications. Its 2.0 V to 6.0 V supply range and 1 µA sleep current make it ideal for battery-powered and wide-voltage-rail designs. Choose the PIC16F73-I/SP instead if you need in-field firmware updates via flash memory, or if 10-bit ADC resolution is required for instrumentation. Choose the PIC16C63A-04I/SO if you need the same die in a surface-mount SOIC-28 footprint. Choose the PIC16C63A-10I/SP or -20I/SP for higher CPU throughput (10 MHz or 20 MHz) while retaining OTP memory. Avoid the pre-A PIC16C63-04I/SP for new designs because the legacy silicon has known errata; always specify the 'A' revision.

Сравнение с аналогами

Параметр Этот товар PIC16C63A-04I/SO PIC16C63A-10I/SP PIC16C63A-20I/SP PIC16F73-I/SP PIC16F876A-I/SP PIC16C63-04I/SP
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package SPDIP-28 (SP) SOIC-28 (SO) - different package SPDIP-28 (SP) - same SPDIP-28 (SP) - same SPDIP-28 (SP) - same SPDIP-28 (SP) - same SPDIP-28 (SP) - same
Maximum CPU Clock 4 MHz 4 MHz 10 MHz 20 MHz 20 MHz 20 MHz 4 MHz
Program Memory 7 KB OTP 7 KB OTP 7 KB OTP 7 KB OTP 7 KB Flash 14 KB Flash 7 KB OTP
RAM 192 bytes 192 bytes 192 bytes 192 bytes 192 bytes 368 bytes 192 bytes
ADC Resolution 8-bit 8-bit 8-bit 8-bit 10-bit 10-bit 8-bit
I/O Pins 22 22 22 22 22 22 22
Memory Type OTP (one-time programmable) OTP OTP OTP Flash (reprogrammable) Flash (reprogrammable) OTP (legacy)
Operating Voltage 2.0 V to 6.0 V 2.0 V to 6.0 V 2.0 V to 6.0 V 2.0 V to 6.0 V 2.0 V to 5.5 V 2.0 V to 5.5 V 2.0 V to 6.0 V

Ключевые отличия

  • Wide 2.0 V to 6.0 V supply range supports both 3.3 V and 5 V rails (против PIC16F73-I/SP)
  • Lower quiescent current for battery applications (против PIC16F876A-I/SP)
  • Established long-term availability for industrial designs (против PIC16C63A-04I/SO)

Заметки по проектированию

The PIC16C63A-04I/SP operates across 2.0 V to 6.0 V, but the brown-out reset (BOR) trip point is not enabled by default. For designs connected to 5 V rails that may brown out during power-down, configure BOR via the configuration word to a threshold compatible with your system voltage (typically 4.0 V). Add a 100 nF decoupling capacitor within 5 mm of the VDD pin (pin 20) and a 10 µF bulk capacitor at the regulator output to suppress voltage transients. The MCLR pin (pin 1) requires a 10 kΩ pull-up to VDD for normal operation; tie directly to VDD only if external reset is unnecessary.

Because the PIC16C63A-04I/SP is OTP (one-time programmable), any firmware bug that reaches production becomes permanent. Mitigate this by (1) extensively validating firmware on a flash-based sibling such as PIC16F73-I/SP, then porting the final image to PIC16C63A for production programming, (2) implementing a thorough verification test at the OTP programmer station including ID check, blank check, and vector test, and (3) considering the PIC16C63A-04I/SS SOIC-28 variant for the same die in a smaller footprint. Estimated unit reprogramming recovery is impossible - discard any incorrectly programmed parts.

When laying out a 28-SPDIP PCB for the PIC16C63A-04I/SP, keep the analog-input traces (RA0-RA5) short and away from the OSC1/OSC2 clock traces to minimize ADC coupling noise. Use a ground guard ring around the AVSS/AGND reference if the design separates analog and digital grounds, but for the PIC16C63A the analog and digital grounds share VSS (pin 8 and pin 19). Place the decoupling capacitor on pin 20 within 5 mm trace length. The MCLR pull-up network (10 kΩ + 100 nF cap for debounce) should also be located close to pin 1 to avoid false resets from injected noise.

The PIC16C63A-04I/SP's USART and SSP peripherals share pins with PORTC, so careful assignment of RC6/TX and RC7/RX is critical to avoid contention with general-purpose I/O. For RS-485 bus applications, the USART must be configured for 9-bit mode with address-detect to support multi-drop protocols; for I²C, the SSP module requires 4.7 kΩ pull-ups on SCL (RC3) and SDA (RC4) when VDD is 5 V, or 10 kΩ at 3.3 V. Estimated maximum SPI clock at 4 MHz Fosc is 1 MHz master-mode, sufficient for most sensor and EEPROM interfaces.

Информация о соответствии

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Qualified
Без свинца
Yes
Без галогенов
Yes
Конфликтные минералы
Compliant

RoHS and REACH compliance per Microchip product declaration. Not AEC-Q100 qualified; for AEC-Q100 automotive applications consult Microchip's PIC16F and dsPIC automotive-grade portfolios.

Данные проверены: 2026-09-17 — данные проверены и курируются командой компонентной инженерии XAIPART

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