PIC16F916T-I/SS - 8-Bit 20MHz 14KB Flash MCU | Microchip
MPN: PIC16F916T-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 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 Overview
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.
Drop-in alternatives for PIC16F916T-I/SS — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16F916T-I/SS (same form factor and footprint) — differing in Package, Timers, ADC, Core Architecture, LCD Driver.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F916-I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F914T-I/PT
✅ Drop-In✓ In Stock
$2.6 / Unit
View Datasheet →PIC16F913T-I/ML
✅ Drop-In✓ In Stock
$1.48 / Unit
View Datasheet →PIC16F916T-I/SO
✅ Drop-In✓ In Stock
$2.05 / Unit
View Datasheet →PIC16F916-I/SO
✅ Drop-In✓ In Stock
$2.69 / Unit
View Datasheet →PIC16F916-E/SS
✅ Drop-In✓ In Stock
$1.82 / Unit
View Datasheet →PIC16F916T-I/SS Maximum Ratings & Electrical Characteristics
| 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 |
| Operating Temperature | -40 C to +85 C (industrial grade, "I") |
| Package | SSOP-28 |
| Mounting Type | Surface Mount |
| MSL Level | 1 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
PIC16F916T-I/SS Pin Configuration
| Pin 1 | RA7/OSO — Bidirectional I/O / oscillator output |
| Pin 2 | RA6/OSC2 — Bidirectional I/O / oscillator crystal output |
| Pin 3 | RA5/MCLR/VPP — Bidirectional I/O / Master Clear reset (input) / programming voltage |
| Pin 4 | RA4/AN4 — Bidirectional I/O / analog input channel 4 |
| Pin 5 | RA3/AN3/VREF+ — Bidirectional I/O / analog input 3 / positive voltage reference |
| Pin 6 | RA2/AN2 — Bidirectional I/O / analog input 2 |
| Pin 7 | RA1/AN1 — Bidirectional I/O / analog input 1 |
| Pin 8 | RA0/AN0 — Bidirectional I/O / analog input 0 |
| Pin 9 | RE3 — Bidirectional I/O (LCD segment shared) |
| Pin 10 | RC7 — Bidirectional I/O / LCD segment |
| Pin 11 | RC6 — Bidirectional I/O / LCD segment |
| Pin 12 | RC5 — Bidirectional I/O / LCD segment |
| Pin 13 | RC4 — Bidirectional I/O / LCD segment |
| Pin 14 | RC3 — Bidirectional I/O / LCD segment |
| Pin 15 | RC2 — Bidirectional I/O / LCD segment |
| Pin 16 | RC1 — Bidirectional I/O / LCD segment |
| Pin 17 | RC0 — Bidirectional I/O / LCD segment |
| Pin 18 | VDD — Positive power supply |
| Pin 19 | VSS — Ground reference |
| Pin 20 | RB7 — Bidirectional I/O / LCD segment |
| Pin 21 | RB6 — Bidirectional I/O / LCD segment |
| Pin 22 | RB5 — Bidirectional I/O / LCD segment |
| Pin 23 | RB4 — Bidirectional I/O / LCD segment |
| Pin 24 | RB3 — Bidirectional I/O / LCD segment |
| Pin 25 | RB2 — Bidirectional I/O / LCD segment |
| Pin 26 | RB1 — Bidirectional I/O / LCD segment |
| Pin 27 | RB0/INT — Bidirectional I/O / external interrupt |
| Pin 28 | VDD — Positive power supply (second VDD pin) |
Typical Applications
PIC16F916T-I/SS is suitable for 6 applications: 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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F916T-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 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) |
Key Differentiators
- Higher flash and RAM than PIC16F914/913 siblings (vs PIC16F914T-I/PT)
- Extended-temperature variant available in same footprint (vs PIC16F916T-I/SO)
- Industrial vs Extended temperature grade (vs PIC16F916-E/SS)
Design Notes
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.
Compliance Information
RoHS compliant per Microchip product page and distributor listings. Not AEC-Q100 qualified; for automotive applications consult Microchip automotive-grade MCU lines.
