PIC16LC63A-04I/SO - 8-bit MCU, 7KB OTP, 22 I/O, 28-SOIC | Microchip
料号： PIC16LC63A-04I/SO ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.5 | $6.50 |
| 10 | $5.85 | $58.50 |
| 100 | $5.2 | $520.00 |
| 500 | $4.65 | $2,325.00 |
| 1,000 | $4.2 | $4,200.00 |
PIC16LC63A-04I/SO 概述
What is a PIC16C-series microcontroller? PIC16C-series microcontrollers are 8-bit Harvard-architecture MCUs built around a RISC CPU with 35 single-word instructions. The 'LC' suffix denotes a low-power CMOS process node optimized for battery and sleep-dominated applications, while the '63A' part belongs to Microchip's mid-range PIC16 family targeting general-purpose control. These MCUs sit in the broader hierarchy: microcontroller -> embedded MCU -> 8-bit RISC processor -> semiconductor IC. They typically include on-chip peripherals such as timers, a USART, capture/compare/PWM modules and parallel ports, with program memory available in EPROM, OTP or ROM flavors.
The PIC16LC63A-04I/SO features a high-performance RISC CPU, fully static design (allowing the clock to be stopped without losing register state), a wide operating voltage range and a 4 MHz maximum clock at 3V. It is offered in industrial temperature grade (denoted by the 'I' suffix) with low typical current consumption. Its 22 I/O pins are sufficient for keypad scanning, LED matrix driving, simple sensor hubs and serial-bridge applications. The 28-SOIC package enables standard surface-mount assembly and easy hand-soldering for prototyping.
Typical applications include industrial control panels, appliance user-interface controllers, low-power remote sensor nodes, smart-meter peripherals, and serial-bridge or protocol-converter modules. Designers choose the PIC16C63A family for legacy code reuse, deterministic interrupt latency, and long-life-cycle availability in industrial markets.
When designing with this device, ensure your firmware is OTP-compatible (single programmability), allocate decoupling capacitors close to VDD/VSS pins, and validate oscillator startup behavior across the industrial temperature range. For modern designs requiring re-programmability, consider the flash-based PIC16F equivalent families.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical engineering design notes not found in the manufacturer datasheet alone, providing a one-stop reference for procurement, engineering, and lifecycle planning.
直接替换替代料： PIC16LC63A-04I/SO ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC16LC63A-04I/SO （相同外形与封装尺寸） ——差异在于 Package, Core Architecture, Program Memory Size, Operating Temperature, Connectivity.
快速对比工具——选择替代料号进行并排对比：
PIC16LC63A-04/SO
✅ 直接替换✓ 有现货
$4.61 / 个
查看数据手册 →PIC16LC63-04I/SO
✅ 直接替换✓ 有现货
$2.8 / 个
查看数据手册 →PIC16LC63-04/SO
✅ 直接替换✓ 有现货
$4.75 / 个
查看数据手册 →PIC16LC63-04I/SP
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.85 / 个
查看数据手册 →PIC16LC63A-04I/SP
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$6.25 / 个
查看数据手册 →PIC16LC63A-04I/SO 最大额定值与电气特性
| Manufacturer | Microchip Technology |
| Series | PIC 16C |
| Core Processor | PIC |
| Core Size | 8-bit |
| Program Memory Size | 7 KB (4K x 14) OTP |
| RAM Size | 192 bytes |
| Number of I/O | 22 |
| Maximum Clock Speed | 4 MHz |
| Supply Voltage Range | 3.0 V to 5.5 V |
| 工作温度范围 | -40C to +85C (Industrial) |
| 封装 | 28-SOIC (SO), 0.295 inch body width |
| 安装类型 | Surface Mount |
| Program Memory Type | OTP (One-Time-Programmable) |
| Connectivity | USART/SCI |
| Peripherals | Brown-out Detect, PWM, WDT |
| RoHS 状态 | Compliant |
PIC16LC63A-04I/SO 引脚配置
| 引脚 1 | MCLR/VPP — Master Clear (Reset) input / Programming voltage |
| 引脚 2 | RA0/AN0 — PORTA bit 0 / Analog input 0 |
| 引脚 3 | RA1/AN1 — PORTA bit 1 / Analog input 1 |
| 引脚 4 | RA2/AN2 — PORTA bit 2 / Analog input 2 |
| 引脚 5 | RA3/AN3/VREF+ — PORTA bit 3 / Analog input 3 / Voltage reference plus |
| 引脚 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| 引脚 7 | RA5/AN4/SS — PORTA bit 5 / Analog input 4 / SPI slave select |
| 引脚 8 | OSC2/CLKOUT — Oscillator crystal output / Clock out |
| 引脚 9 | OSC1/CLKIN — Oscillator crystal input / External clock in |
| 引脚 10 | VSS — Ground reference |
| 引脚 11 | VDD — Positive supply voltage (3.0-5.5 V) |
| 引脚 12 | RB0/INT — PORTB bit 0 / External interrupt |
| 引脚 13 | RB1 — PORTB bit 1 |
| 引脚 14 | RB2 — PORTB bit 2 |
| 引脚 15 | RB3/PGM — PORTB bit 3 / Low-voltage programming |
| 引脚 16 | RB4 — PORTB bit 4 |
| 引脚 17 | RB5 — PORTB bit 5 |
| 引脚 18 | RB6/PGC — PORTB bit 6 / ICSP clock |
| 引脚 19 | RB7/PGD — PORTB bit 7 / ICSP data |
| 引脚 20 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator out / Timer1 clock in |
| 引脚 21 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator in / CCP2 |
| 引脚 22 | RC2/CCP1 — PORTC bit 2 / Capture Compare PWM 1 |
| 引脚 23 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| 引脚 24 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| 引脚 25 | RC5/SDO — PORTC bit 5 / SPI data out |
| 引脚 26 | RC6/TX/CK — PORTC bit 6 / USART TX / USART clock |
| 引脚 27 | RC7/RX/DT — PORTC bit 7 / USART RX / USART data |
| 引脚 28 | VSS — Ground reference |
典型应用
PIC16LC63A-04I/SO 适用于 7 应用s: Industrial Control Panel MCU, Appliance User-Interface Controller, Low-Power Remote Sensor Node, Smart-Meter Peripheral Controller, Serial Bridge / Protocol Converter, Automotive Under-Hood Auxiliary Module, LED Display and Sign Multiplexer.
Industrial Control Panel MCU
The PIC16LC63A-04I/SO fits industrial control panels because it combines industrial-grade -40C to +85C operation, 22 I/O lines and a USART for keypad/scanner/HMI aggregation. Its 7 KB OTP holds deterministic state machines and serial protocol handlers without the overhead of an RTOS. The 4 MHz clock and 3.0-5.5 V supply let it share the same 5 V rail as optocouplers and 24 V interface ICs.
推荐
Appliance User-Interface Controller
For appliance UIs such as washing machines, dishwashers and microwave keypads, the PIC16LC63A-04I/SO offers 22 I/O for matrix-scanned keypads and 7-segment/LED multiplexed displays, plus PWM channels for buzzer tones and indicator dimming. The 4 MHz clock and OTP memory keep BOM cost low while the industrial temp grade survives the heat of enclosed appliance housings.
推荐
Low-Power Remote Sensor Node
The 'LC' low-power CMOS process and 3.0 V minimum supply make the PIC16LC63A-04I/SO a candidate for battery-powered remote sensor nodes that wake periodically, sample a sensor over analog or I/O, and transmit via USART to an external radio. The 192-byte RAM is small but adequate for sampled buffers, and the wide voltage range supports 3.3 V coin-cell or Li-Ion chemistries.
推荐
Smart-Meter Peripheral Controller
Smart-meter sub-assemblies for electricity, water or gas monitoring benefit from the PIC16LC63A-04I/SO's industrial temp range, 22 I/O for pulse counters and tamper switches, and USART for linking to the main metrology MCU. The OTP memory locks calibration coefficients and security identifiers, preventing firmware tampering in deployed meters.
推荐
Serial Bridge / Protocol Converter
The PIC16LC63A-04I/SO's hardware USART plus 22 GPIO makes it well-paired to legacy-to-modern protocol bridges: RS-232 to TTL, RS-485 to UART, or I2C/SPI bit-banged masters to a UART host. The 4 MHz clock delivers enough instruction bandwidth for half-duplex protocol translation at typical 9600-115200 baud rates without handshake dropouts.
推荐
Automotive Under-Hood Auxiliary Module
Although not AEC-Q100 qualified, the PIC16LC63A-04I/SO is used in non-safety automotive peripherals such as cabin HVAC flap drivers, mirror controllers and seat-position memories where its -40C to +85C industrial range covers cabin thermal loads. The 22 I/O drives small brushed motors via PWM and reads Hall-effect position sensors through the analog comparator.
推荐
LED Display and Sign Multiplexer
Driving 7-segment or dot-matrix LED signs requires many GPIO plus PWM for brightness control - exactly the 22 I/O and PWM peripheral mix of the PIC16LC63A-04I/SO. The 4 MHz clock multiplexes 8-digit displays with acceptable refresh, and the OTP memory holds font tables and scrolling message buffers without needing external EEPROM.
推荐
推荐产品汇总
工程参考数据： PIC16LC63A-04I/SO ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC16LC63A-04/SO | PIC16LC63-04I/SO | PIC16LC63-04/SO |
|---|---|---|---|---|
| Package | 28-SOIC (SO) | 28-SOIC (SO) - same | 28-SOIC (SO) - same | 28-SOIC (SO) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Temperature Grade | Industrial -40C to +85C | Commercial 0C to +70C | Industrial -40C to +85C | Commercial 0C to +70C |
| Program Memory | 7 KB OTP (4K x 14) | 7 KB OTP | 7 KB OTP | 7 KB OTP |
| Maximum Clock | 4 MHz | 4 MHz | 4 MHz | 4 MHz |
| Number of I/O | 22 | 22 | 22 | 22 |
| Supply Voltage | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V |
| Silicon Revision | A-revision | A-revision | Pre-A revision | Pre-A revision |
| Price @ qty 100 (USD) | 5.20 | 5.20 | 5.40 | 5.40 |
关键差异点
- Industrial temperature grade (-40C to +85C) （对比 PIC16LC63A-04/SO)
- A-revision silicon with ADC refinements （对比 PIC16LC63-04I/SO)
- Wider voltage range 3.0-5.5 V versus standard CMOS 4.0-6.0 V （对比 PIC16C63A-04I/SO (non-LC variant))
设计说明
Estimated: at 5 V supply, 4 MHz active clock and 22 I/O switching at 100 kHz, the PIC16LC63A-04I/SO typically draws 2-5 mA active plus per-I/O load. Decouple VDD (pin 11) with a 100 nF ceramic placed within 5 mm of the pin, plus a 10 uF bulk tantalum or aluminum polymer on the supply rail. The second VSS pin (28) must be returned to ground; do not leave it floating or ADC readings will degrade.
The 28-SOIC package has a 0.05 inch pitch and 0.295 inch body width. Route MCLR (pin 1) with a 10 kohm pull-up to VDD and a 100 nF cap to ground for clean resets; keep the trace short to avoid false resets from EMI. Place the 4-20 MHz crystal (or ceramic resonator) within 10 mm of OSC1/OSC2 (pins 9/8) with grounded guard traces to suppress noise coupling into the timer/capture peripherals.
OTP parts cannot be re-programmed: once you blow the security fuse or commit code to OTP, any firmware bug requires physical part replacement. Always validate firmware on a windowed CERDIP PIC16C63A-04/JW or an equivalent flash PIC16F73-I/SO emulator before committing to OTP production parts. Brown-out detect (BOD) must be enabled in the configuration word for industrial deployments to avoid latch-up on brown-out events.
The 22 I/O pins share functions with analog inputs and the ICSP programming interface (RB3/RB6/RB7). When using ICSP for in-circuit programming, isolate the PGC/PGD lines from high-speed switching signals to avoid programming glitches. Series 100 ohm resistors on RB6/RB7 improve programming reliability in noisy environments.
合规信息
RoHS compliant per IC-Components product listing. Not AEC-Q100 qualified - for AEC-Q100 automotive designs use dsPIC30F family.
