PIC16F88T-E/SO - 8-Bit 20MHz 7KB Flash MCU | Microchip | SOIC-18
料号： PIC16F88T-E/SO ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.62 | $3.62 |
| 10 | $3.21 | $32.10 |
| 100 | $2.74 | $274.00 |
| 500 | $2.45 | $1,225.00 |
| 1,000 | $2.18 | $2,180.00 |
PIC16F88T-E/SO 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripheral interfaces into one package. The PIC16F88 is a member of the 8-bit microcontroller hierarchy: microcontroller -> embedded controller -> semiconductor device. The PIC16F88 specifically sits in the mid-range PIC family, characterized by 35 single-word instructions, 14-bit instruction word, and 200 ns instruction execution at 20 MHz. It is upwards compatible with the PIC16C7x, PIC16C62xA, PIC16C5X, and PIC12CXXX device families, easing code migration for engineers familiar with these lines.
Key features include an 8 MHz internal oscillator (selectable), 35 I/O lines, 7-channel 10-bit analog-to-digital converter (ADC), USART with support for RS-485 and LIN, I2C and SPI synchronous serial ports, two 8-bit timers plus one 16-bit timer, and nanoWatt Technology for low-power operation. The device operates from 4.0 V to 5.5 V (industrial) or 2.0 V to 5.5 V with the internal oscillator enabled, and supports the in-circuit serial programming (ICSP) interface for field firmware updates.
Typical applications include industrial control panels, sensor interfacing nodes, low-end remote controls, and battery-powered instruments where the extended temperature range and 35 I/O count are needed. The integrated USART with LIN support makes the part especially suitable for automotive body electronics sub-modules and HVAC node controllers. With its 256-byte EEPROM, the device supports non-volatile parameter storage for calibration data, user settings, and serial numbers without external memory.
When designing with this MCU, ensure decoupling capacitors are placed as close as possible to VDD and VSS, and consider the in-circuit debug (ICD) header footprint if firmware iteration speed matters. The 18-SOIC variant supports hand-soldering and rework far better than QFN packages, making it well suited to prototyping, hobby, and low-volume production runs where field repairability is desirable.
This page synthesizes drop-in alternatives, parametric comparison, and practical design notes not found in the manufacturer datasheet, helping engineers evaluate the PIC16F88T-E/SO against modern pin-compatible options for new designs or legacy maintenance.
直接替换替代料： PIC16F88T-E/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： PIC16F88T-E/SO （相同外形与封装尺寸） ——差异在于 Operating Temperature, Package, ADC, Program Memory, Internal Oscillator.
快速对比工具——选择替代料号进行并排对比：
PIC16F88T-I/SO
✅ 直接替换📋 参考替代料（不在目录中）
PIC16F88-E/SO
✅ 直接替换✓ 有现货
$3.05 / 个
查看数据手册 →PIC16F88T-E/ML
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.62 / 个
查看数据手册 →PIC16F87T-E/SO
✅ 直接替换✓ 有现货
$4.25 / 个
查看数据手册 →PIC16F88-I/SO
✅ 直接替换📋 参考替代料（不在目录中）
PIC16F88T-E/SO 最大额定值与电气特性
| Core | PIC16 8-bit RISC |
| Program Memory | 7 KB Flash (4K x 14 words) |
| RAM | 368 bytes |
| EEPROM | 256 bytes |
| Maximum Clock Speed | 20 MHz |
| Instruction Execution Time | 200 ns at 20 MHz |
| 电源电压 | 4.0 V to 5.5 V (extended: 4.5 V to 5.5 V) |
| I/O Pins | 35 |
| ADC | 10-bit, 7 channels |
| Communication Interfaces | USART (RS-485/LIN), I2C/SPI synchronous serial port |
| Timers | 2 x 8-bit, 1 x 16-bit |
| Internal Oscillator | 8 MHz, software-selectable |
| 工作温度 | -40C to +125C (Extended, -E) |
| 封装 | 18-pin SOIC (300 mil) |
| 安装类型 | Surface Mount |
| ROM Type | Flash |
| MSL 等级 | 1 |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
| ICSP/ICD Support | Yes |
PIC16F88T-E/SO 引脚配置
| 引脚 1 | RA0/AN0 — Port A bit 0 / Analog input channel 0 |
| 引脚 2 | RA1/AN1 — Port A bit 1 / Analog input channel 1 |
| 引脚 3 | RA2/AN2/VREF- — Port A bit 2 / Analog input channel 2 / ADC negative reference |
| 引脚 4 | RA3/AN3/VREF+ — Port A bit 3 / Analog input channel 3 / ADC positive reference |
| 引脚 5 | RA4/AN4/T0CKI — Port A bit 4 / Analog input 4 / Timer 0 clock input |
| 引脚 6 | RA5/AN5/SS/HLVDIN — Port A bit 5 / Analog input 5 / SPI slave select / High/Low voltage detect input |
| 引脚 7 | RA6/OSC2/CLKO — Port A bit 6 / Oscillator output / Clock output |
| 引脚 8 | RA7/OSC1/CLKI — Port A bit 7 / Oscillator input / Clock input |
| 引脚 9 | RB0/INT — Port B bit 0 / External interrupt |
| 引脚 10 | RB1/SDI/SDA — Port B bit 1 / SPI data in / I2C data |
| 引脚 11 | RB2/SDO — Port B bit 2 / SPI data out |
| 引脚 12 | RB3/SCK/SCL — Port B bit 3 / SPI clock / I2C clock |
| 引脚 13 | RB4/PGM — Port B bit 4 / ICSP programming |
| 引脚 14 | VDD — Positive supply voltage (4.0 V to 5.5 V) |
| 引脚 15 | RB5/PGC — Port B bit 5 / ICSP clock |
| 引脚 16 | RB6/PGC/T1OSO/T1CKI — Port B bit 6 / ICSP clock / Timer 1 oscillator out / Timer 1 clock in |
| 引脚 17 | RB7/PGD/T1OSI — Port B bit 7 / ICSP data / Timer 1 oscillator in |
| 引脚 18 | VSS — Ground reference |
典型应用
PIC16F88T-E/SO 适用于 6 应用s: Industrial Sensor Interface Module, Automotive Body Electronics Node, HVAC Control Board, Remote Control and IR Transmitter, Battery Charger Controller, LED Lighting Controller.
Industrial Sensor Interface Module
The PIC16F88T-E/SO fits industrial 4-20 mA loop sensor interfaces because its 10-bit ADC with 7 input channels can simultaneously sample pressure, temperature, and flow signals, while the 35 I/O lines handle multiple loop channels and status LEDs. The extended -40C to +125C temperature grade supports unheated outdoor cabinets and factory-floor installations. Place the MCU near the analog front-end with separate analog and digital ground pours to keep ADC noise below 1 LSB. The USART allows direct connection to a 4-20 mA HART modem for two-way digital communication over the same loop.
推荐
Automotive Body Electronics Node
The PIC16F88T-E/SO suits automotive body controllers (window lifters, mirror adjusters, seat controllers) because the extended temperature grade matches AEC-Q100 passenger-compartment thermal requirements and the integrated USART supports LIN bus master/slave communication. The 7 KB Flash holds typical body-controller state machines with margin for variant firmware. Pair it with a LIN transceiver such as MCP2003B or TJA1027 for a complete LIN node. Power dissipation at 20 MHz is about 12 mA at 5 V, well within module-level thermal budgets.
推荐
HVAC Control Board
The PIC16F88T-E/SO is well matched to HVAC control boards that drive triacs for fan speeds, read NTC thermistors, and exchange settings via Modbus over RS-485. The 256-byte EEPROM stores user-set temperatures and scheduling preferences across power cycles, eliminating external EEPROM. The 18-SOIC package is hand-solderable for prototyping, and the 35 I/O lines easily accommodate 7-segment display drivers plus keypad scanning. Add an MCP2515 CAN module if the HVAC node must interface with a vehicle or industrial CAN backbone.
推荐
Remote Control and IR Transmitter
The PIC16F88T-E/SO handles consumer remote controls and IR/RF transmitters that need low standby current and enough Flash for protocol stacks. nanoWatt Technology drops quiescent current below 1 uA in sleep, extending battery life to multiple years on two AA cells. The internal 8 MHz oscillator eliminates the external crystal, reducing BOM cost. Program the USART to drive a 38 kHz IR LED with precise timing, or use the PWM module with a 455 kHz carrier for RF remotes. The 18-SOIC package is compatible with hand-assembly production runs.
推荐
Battery Charger Controller
The PIC16F88T-E/SO fits smart battery charger controllers for lead-acid and Li-ion packs in the 1-10 A range. The ADC monitors charge current, battery voltage, and temperature, while PWM channels regulate the buck converter's duty cycle. The 256-byte EEPROM stores charge profiles and battery capacity data across power cycles. The extended temperature grade supports under-hood automotive and outdoor solar installations. Add a MCP73123 Li-ion charge-management IC for chemistry-specific safety, or use the MCU alone for lead-acid with discrete MOSFETs.
推荐
LED Lighting Controller
The PIC16F88T-E/SO serves as the controller for addressable RGB and tunable-white LED drivers in commercial lighting. With 35 I/O lines, multiple PWM channels can drive high-side MOSFETs for RGB strips or DMX512-controlled fixtures. The USART receives DMX512 data directly, eliminating an external decoder chip. The 7 KB Flash is sufficient for color-mapping lookup tables, fade transitions, and DMX personality configuration stored in EEPROM. The extended temperature range supports sealed outdoor fixtures and high-bay industrial luminaires.
推荐
推荐产品汇总
工程参考数据： PIC16F88T-E/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 | PIC16F88T-I/SO | PIC16F88-E/SO | PIC16F88T-E/ML | PIC16F87T-E/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 18-pin SOIC (300 mil) | 18-pin SOIC (300 mil) | 18-pin SOIC (300 mil) | 28-pin QFN (ML) | 18-pin SOIC (300 mil) |
| Flash Program Memory | 7 KB (4K x 14) | 7 KB (4K x 14) | 7 KB (4K x 14) | 7 KB (4K x 14) | 4 KB (2K x 14) |
| Maximum Clock Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Temperature Range | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +125C (Extended) |
| Packaging Format | Tape & Reel | Tape & Reel | Tube | Tape & Reel | Tape & Reel |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| I/O Pins | 35 | 35 | 35 | 35 | 35 |
关键差异点
- Higher Flash memory (7 KB vs 4 KB) （对比 PIC16F87T-E/SO)
- Extended -40C to +125C temperature range （对比 PIC16F88T-I/SO)
- Tape-and-reel packaging for SMT assembly （对比 PIC16F88-E/SO)
设计说明
Decouple VDD (pin 14) with a 100 nF ceramic capacitor placed within 5 mm of the pin, and add a bulk 10 uF tantalum or aluminum polymer capacitor at the board entry point. For ADC accuracy, place an additional 100 nF between VDD and AVSS close to the analog supply pin. The PIC16F88T-E/SO draws about 12 mA at 20 MHz and 5 V; budget at least 30 mA including peripheral current for the regulator. Use MCP1700 or MCP1727 LDOs for the 5 V rail with adequate headroom.
Keep the ICSP clock (PGC, pin 15-16) and data (PGD, pin 17) traces short and away from high-frequency switching nodes. Place a 4.7 kohm pull-up on MCLR if not driven by the programmer during run-time. Route the crystal pins (RA6/OSC2 and RA7/OSC1) with short traces and a guard ring if the internal oscillator is not used. The 18-SOIC package allows straightforward 2-layer PCB layouts with a single ground pour.
Do not exceed the absolute maximum VDD of 7.5 V; transients from inductive loads on adjacent pins can couple into the supply rail. Ensure the ADC reference voltage (VREF+/VREF-) is stable - switching references mid-conversion corrupts readings. Configuration bits (FOSC, WDTE, etc.) must be set correctly or the MCU may fail to start or enter unintended reset loops. Always verify configuration bits in MPLAB X before programming production units.
合规信息
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - the -E extended grade supports high-temperature environments but does not constitute full automotive qualification. REACH and conflict-minerals statements are published by Microchip.