PIC16F916T-I/SS - 8-Bit 20MHz 14KB Flash MCU | Microchip
料号： PIC16F916T-I/SS ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.08 | $30.80 |
| 100 | $2.65 | $265.00 |
| 500 | $2.31 | $1,155.00 |
| 1,000 | $1.96 | $1,960.00 |
PIC16F916T-I/SS 概述
An 8-bit microcontroller (MCU) is a self-contained microcomputer on a single integrated circuit that integrates a CPU, RAM, non-volatile program memory (Flash), peripherals, and I/O. Within the broader taxonomy, PIC microcontrollers sit under microcontrollers -> microprocessors -> integrated circuits -> semiconductors. The PIC16F family uses Microchip's enhanced mid-range 14-bit instruction architecture, offering 35 single-word instructions with 200ns instruction execution at 20MHz, balancing code density with deterministic real-time control.
Key features include 14KB (8192 x 14 instructions) of self-programmable flash, 352 bytes of SRAM, 256 bytes of EEPROM, 25 digital I/O pins, and an integrated LCD driver capable of directly driving up to 60 segment outputs with 4 commons. The device incorporates nanoWatt technology with multiple power-managed modes (Run, Idle, Sleep) bringing quiescent current as low as sub-microamp levels, and offers rich peripherals such as 8 channels of 8-bit ADC, 2 capture/compare/PWM modules, a USART, an SSP (SPI/I2C), and a 16-bit Timer1 with real-time clock capability.
Architecturally the PIC16F916T-I/SS combines a RISC instruction pipeline with Harvard bus architecture, separate code and data paths, and a configurable oscillator block supporting 8MHz internal RC, external clock, and low-power 32kHz crystal modes. The integrated LCD driver shares pins with the digital I/O, providing hardware-controlled segment waveforms with variable bias and contrast, eliminating the need for an external LCD controller.
Typical applications include consumer appliances with LCD user interfaces, industrial control panels, medical handheld instruments, smart thermostats, metering equipment, and battery-powered sensor readout products. The on-chip LCD driver makes it particularly suited for any application requiring a multi-segment character or numeric display.
Designers should consider the trade-off between the integrated LCD driver (reducing BOM cost) and the modest 8-bit ADC resolution; for higher-precision analog front ends, an external 12-bit ADC companion or a PIC16F1xxx series upgrade should be evaluated.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： PIC16F916T-I/SS ——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： PIC16F916T-I/SS （相同外形与封装尺寸） ——差异在于 Package, Timers, ADC, Core Architecture, LCD Driver.
快速对比工具——选择替代料号进行并排对比：
PIC16F916-I/SS
✅ 直接替换📋 参考替代料（不在目录中）
PIC16F914T-I/PT
✅ 直接替换✓ 有现货
$2.6 / 个
查看数据手册 →PIC16F913T-I/ML
✅ 直接替换✓ 有现货
$1.48 / 个
查看数据手册 →PIC16F916T-I/SO
✅ 直接替换✓ 有现货
$2.05 / 个
查看数据手册 →PIC16F916-I/SO
✅ 直接替换✓ 有现货
$2.69 / 个
查看数据手册 →PIC16F916-E/SS
✅ 直接替换✓ 有现货
$2.65 / 个
查看数据手册 →PIC16F916T-I/SS 最大额定值与电气特性
| Family | PIC16F9xx |
| Core Architecture | PIC16 (enhanced mid-range, 14-bit instruction) |
| Program Memory (Flash) | 14 KB (8192 x 14 words) |
| Data SRAM | 352 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Frequency | 20 MHz |
| Instruction Execution | 200 ns (at 20 MHz) |
| Digital I/O Pins | 25 |
| ADC | 8 channels x 8-bit |
| Timers | Timer0, Timer1 (16-bit), Timer2 |
| CCP Modules | 2 (Capture/Compare/PWM) |
| Communication | 1x USART (AUSART), 1x SSP (SPI / I2C) |
| Integrated LCD Driver | Yes, up to 60 segments x 4 commons |
| Operating Voltage | 2.0 V to 5.5 V |
| 工作温度 | -40 C to +85 C (industrial grade, "I") |
| 封装 | SSOP-28 |
| 安装类型 | Surface Mount |
| MSL 等级 | 1 (per JEDEC J-STD-020) |
| RoHS 状态 | Compliant |
PIC16F916T-I/SS 引脚配置
| 引脚 1 | RA7/OSO — Bidirectional I/O / oscillator output |
| 引脚 2 | RA6/OSC2 — Bidirectional I/O / oscillator crystal output |
| 引脚 3 | RA5/MCLR/VPP — Bidirectional I/O / Master Clear reset (input) / programming voltage |
| 引脚 4 | RA4/AN4 — Bidirectional I/O / analog input channel 4 |
| 引脚 5 | RA3/AN3/VREF+ — Bidirectional I/O / analog input 3 / positive voltage reference |
| 引脚 6 | RA2/AN2 — Bidirectional I/O / analog input 2 |
| 引脚 7 | RA1/AN1 — Bidirectional I/O / analog input 1 |
| 引脚 8 | RA0/AN0 — Bidirectional I/O / analog input 0 |
| 引脚 9 | RE3 — Bidirectional I/O (LCD segment shared) |
| 引脚 10 | RC7 — Bidirectional I/O / LCD segment |
| 引脚 11 | RC6 — Bidirectional I/O / LCD segment |
| 引脚 12 | RC5 — Bidirectional I/O / LCD segment |
| 引脚 13 | RC4 — Bidirectional I/O / LCD segment |
| 引脚 14 | RC3 — Bidirectional I/O / LCD segment |
| 引脚 15 | RC2 — Bidirectional I/O / LCD segment |
| 引脚 16 | RC1 — Bidirectional I/O / LCD segment |
| 引脚 17 | RC0 — Bidirectional I/O / LCD segment |
| 引脚 18 | VDD — Positive power supply |
| 引脚 19 | VSS — Ground reference |
| 引脚 20 | RB7 — Bidirectional I/O / LCD segment |
| 引脚 21 | RB6 — Bidirectional I/O / LCD segment |
| 引脚 22 | RB5 — Bidirectional I/O / LCD segment |
| 引脚 23 | RB4 — Bidirectional I/O / LCD segment |
| 引脚 24 | RB3 — Bidirectional I/O / LCD segment |
| 引脚 25 | RB2 — Bidirectional I/O / LCD segment |
| 引脚 26 | RB1 — Bidirectional I/O / LCD segment |
| 引脚 27 | RB0/INT — Bidirectional I/O / external interrupt |
| 引脚 28 | VDD — Positive power supply (second VDD pin) |
典型应用
PIC16F916T-I/SS 适用于 6 应用s: Consumer Appliance Control with LCD Display, Smart Thermostat and HVAC Controller, Industrial Control Panel and Metering, Portable Medical and Wellness Devices, Battery-Powered Weighing Scale, Home Automation Sensor Hub.
Consumer Appliance Control with LCD Display
The PIC16F916T-I/SS is purpose-built for consumer appliances that integrate a multi-segment character or numeric LCD. The integrated LCD driver supports up to 60 segments with 4 commons, eliminating an external driver IC and reducing BOM cost. With 14KB flash, designers have ample room for menu trees, settings persistence via 256B EEPROM, and USART communication to a host controller. The industrial -40C to +85C temperature grade and 2.0-5.5V operating range support appliances ranging from coffee machines to washing machines.
推荐
Smart Thermostat and HVAC Controller
For smart thermostats, the PIC16F916T-I/SS combines an integrated LCD segment driver for temperature and mode display with 8 channels of 8-bit ADC to read thermistors or temperature sensors. The 2x CCP modules can drive TRIACs for HVAC load switching, and nanoWatt Sleep modes keep quiescent current low between sensor reads. With 25 I/O pins, designers have ample headroom for keypad scanning, relay control, and serial communication to a Wi-Fi or RF companion module.
推荐
Industrial Control Panel and Metering
The PIC16F916T-I/SS fits industrial control panels where a 25-I/O count, integrated LCD, and 14KB flash support panel metering, keypad entry, and MODBUS USART communication. With 8 ADC channels the device can read multiple sensor inputs simultaneously. The industrial temperature range (-40C to +85C) and SSOP-28 surface-mount package suit sealed panel enclosures. Hardware PWM from CCP modules drives indicator LEDs and analog outputs.
推荐
Portable Medical and Wellness Devices
The PIC16F916T-I/SS suits portable medical devices such as blood-pressure monitors, glucose meters, and pulse oximeters that require a numeric LCD readout plus low battery drain. nanoWatt Sleep modes drop quiescent current below 1 microamp, extending battery life. The 8-bit ADC reads sensors, while 256 bytes of EEPROM store user presets and calibration constants. The wide 2.0-5.5V supply range supports two-AA alkaline or single-cell Li-Ion battery configurations.
推荐
Battery-Powered Weighing Scale
Weighing scales require an LCD readout of weight, units, and battery status. The PIC16F916T-I/SS integrated LCD driver cuts display driver cost while 14KB flash supports calibration curves, tare logic, and unit conversion. The 8-channel ADC reads a load-cell bridge amplifier, and Sleep-mode nanoWatt operation extends battery life for portable kitchen or postal scales. The SSOP-28 package fits inside compact enclosures.
推荐
Home Automation Sensor Hub
IoT and home automation sensor hubs benefit from the PIC16F916T-I/SS as a low-power front-end MCU. It reads multiple analog and digital sensors via its 25 I/O pins and 8-channel ADC, displays status on an LCD, and forwards aggregated data over USART or SSP to a Wi-Fi/BLE companion module. nanoWatt Sleep modes keep average current draw low, ideal for battery or energy-harvested nodes. The PIC16F916's modest cost keeps the BOM low for high-volume sensor products.
推荐
推荐产品汇总
工程参考数据： PIC16F916T-I/SS ——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 | PIC16F916-I/SS | PIC16F914T-I/PT | PIC16F913T-I/ML | PIC16F916T-I/SO | PIC16F916-E/SS |
|---|---|---|---|---|---|---|
| Package | SSOP-28 | SSOP-28 - same | SSOP-28 - same | SSOP-28 - same | SSOP-28 - same | SSOP-28 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 14 KB | 14 KB | 7 KB | 7 KB | 14 KB | 14 KB |
| RAM | 352 B | 352 B | 192 B | 256 B | 352 B | 352 B |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Digital I/O | 25 | 25 | 25 | 25 | 25 | 25 |
| Integrated LCD Driver | Yes (60 seg x 4 com) | Yes (60 seg x 4 com) | Yes (smaller) | Yes (smaller) | Yes (60 seg x 4 com) | Yes (60 seg x 4 com) |
| CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Temperature | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) | -40 C to +125 C (E grade) |
关键差异点
- Higher flash and RAM than PIC16F914/913 siblings （对比 PIC16F914T-I/PT)
- Extended-temperature variant available in same footprint （对比 PIC16F916T-I/SO)
- Industrial vs Extended temperature grade （对比 PIC16F916-E/SS)
设计说明
Estimated: at VDD=5.0V and an active CPU at 20MHz, the PIC16F916T-I/SS draws approximately 6-8 mA; in Sleep mode the device drops below 1.7 microamp typical. For battery-powered applications, switch to nanoWatt Sleep as soon as active processing is complete and use Timer1 with an external 32.768 kHz crystal to maintain a real-time clock wake-up interval. The brown-out reset (BOR) module should remain enabled to protect flash integrity during supply droops.
Place both VDD pins (18 and 28) and both VSS pins (8 and 19 on /SS) decoupling capacitors directly adjacent to the package with 100nF X7R ceramic + 10uF bulk per pin pair. For SSOP-28 layout, provide a continuous ground plane under the device to reduce digital switching noise coupling into the analog ADC inputs. Keep crystal traces short and surround them with a ground guard ring if the analog front end is noise-sensitive.
The PIC16F916T-I/SS LCD pins are multiplexed with digital I/O; configure the LCD module BEFORE reassigning a segment pin to digital I/O, otherwise unintended toggle of segment waveforms may corrupt the display. The MCLR pin must be tied to VDD through a 10k resistor for normal operation - leaving it floating will trigger spurious resets. Programming the configuration bits requires setting the LVP bit appropriately for ICSP vs high-voltage programming modes.
合规信息
RoHS compliant per Microchip product page and distributor listings. Not AEC-Q100 qualified; for automotive applications consult Microchip automotive-grade MCU lines.
