PIC16F76-I/SS - 8-Bit 20MHz MCU 14KB Flash 28-SSOP | Microchip
MPN: PIC16F76-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.5 | $8.50 |
| 10 | $7.65 | $76.50 |
| 100 | $6.8 | $680.00 |
| 500 | $6.1 | $3,050.00 |
| 1,000 | $5.45 | $5,450.00 |
PIC16F76-I/SS Overview
An 8-bit PIC microcontroller is a Harvard-architecture RISC processor that executes most instructions in a single clock cycle. PIC16F-series MCUs sit in the mid-range performance tier of the PIC family (PIC10/12/16/18/24/32), positioned for cost-sensitive embedded applications requiring moderate computational throughput, on-chip peripherals, and low power consumption. They bridge the gap between base-level PIC10/12 parts and higher-end PIC18/dsPIC devices.
Key features include 22 digital I/O pins, 5 channels of 8-bit ADC with brown-out reset, two PWM outputs, and 8K x 14 words of self-programmable FLASH program memory. The PIC16F76 also offers an operating voltage range of 2.0V to 5.5V, an industrial temperature grade of -40C to +85C (denoted by the -I suffix), and in-circuit serial programming (ICSP) capability. The 28-SSOP package supports surface-mount assembly with a compact 5.30mm body width.
Architecturally, the PIC16F76 uses a 14-bit instruction word with a 35-instruction RISC set and an 8-level hardware stack, enabling predictable interrupt response and deterministic real-time behavior. Its nanoWatt power management features include multiple oscillator modes (RC, LP, XT, HS), watchdog timer with on-chip RC oscillator, and SLEEP/idle modes drawing microamp-level currents for battery-powered designs.
Typical applications include industrial control systems, sensor signal conditioning, low-cost motor control, HVAC controls, and general-purpose embedded products where on-chip ADC, PWM, and serial communication reduce the bill of materials. The integrated peripherals make it well-suited for automotive body electronics (non-safety) and consumer appliances.
When designing with the PIC16F76, configure the configuration bits (fuses) for the chosen oscillator, brown-out reset threshold, and watchdog behavior before code execution. Decouple VDD with a 100nF ceramic capacitor placed within 5mm of the package pins, and keep the MCLR pull-up close to the ICSP connector to avoid programming failures.
This page synthesizes distributor pricing, drop-in same-package alternatives, application examples, and practical design notes not found in the bare manufacturer datasheet, providing AI-citation-ready engineering context for the PIC16F76-I/SS.
Drop-in alternatives for PIC16F76-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 PIC16F76-I/SS (same form factor and footprint) — differing in ADC, Operating Temperature, Timers, Package, Capture/Compare/PWM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F76-E/SS
✅ Drop-In✓ In Stock
$4.85 / Unit
View Datasheet →PIC16F767-I/SS
✅ Drop-In✓ In Stock
$2.18 / Unit
View Datasheet →PIC16F767-E/SS
✅ Drop-In✓ In Stock
$3.1 / Unit
View Datasheet →PIC16F76-I/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 8-bit RISC (mid-range, 35 instructions) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| RAM | 368 bytes |
| EEPROM | Data EEPROM on-chip (per datasheet) |
| Maximum CPU Frequency | 20 MHz |
| Operating Voltage (VDD) | 2.0 V to 5.5 V |
| Digital I/O Pins | 22 |
| ADC | 8-bit, 5 channels |
| Timers | 3 (Timer0, Timer1, Timer2) |
| Capture/Compare/PWM | 2 modules (CCP) |
| Serial Interfaces | 1x SSP (SPI/I2C), 1x USART (SCI) |
| Brown-out Reset (BOR) | Yes |
| Watchdog Timer | Yes, with on-chip oscillator |
| In-Circuit Serial Programming (ICSP) | Yes |
| Operating Temperature Range | -40 C to +85 C (Industrial grade) |
| Package | 28-SSOP (5.30 mm body) |
| Mounting Type | Surface Mount |
| MSL Level | MSL1 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16F76-I/SS Pin Configuration
| Pin 1 | MCLR/VPP — Master Clear (Reset) input / ICSP programming voltage |
| Pin 2 | RA0/AN0 — PORTA bit 0 / Analog input 0 |
| Pin 3 | RA1/AN1 — PORTA bit 1 / Analog input 1 |
| Pin 4 | RA2/AN2 — PORTA bit 2 / Analog input 2 |
| Pin 5 | RA3/AN3/VREF+ — PORTA bit 3 / Analog input 3 / ADC positive reference |
| Pin 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| Pin 7 | RA5/AN4/SS — PORTA bit 5 / Analog input 4 / SPI slave select |
| Pin 8 | OSC1/CLKIN — Oscillator input / external clock input |
| Pin 9 | OSC2/CLKOUT — Oscillator output / clock output |
| Pin 10 | RC0/T1OSCC_OC1 — PORTC bit 0 / Timer1 oscillator / CCP1 output |
| Pin 11 | RC1/CCP2 — PORTC bit 1 / CCP2 PWM output |
| Pin 12 | RC2/CCP1 — PORTC bit 2 / CCP1 PWM output |
| Pin 13 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| Pin 14 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| Pin 15 | RC5/SDO — PORTC bit 5 / SPI data out |
| Pin 16 | RC6/TX/CK — PORTC bit 6 / USART transmit / clock |
| Pin 17 | RC7/RX/DT — PORTC bit 7 / USART receive / data |
| Pin 18 | VSS — Ground reference |
| Pin 19 | VDD — Positive supply voltage |
| Pin 20 | RB0/INT — PORTB bit 0 / external interrupt |
| Pin 21 | RB1 — PORTB bit 1 |
| Pin 22 | RB2 — PORTB bit 2 |
| Pin 23 | RB3/PGM — PORTB bit 3 / LVP programming |
| Pin 24 | RB4 — PORTB bit 4 |
| Pin 25 | RB5 — PORTB bit 5 |
| Pin 26 | RB6/PGC — PORTB bit 6 / ICSP clock |
| Pin 27 | RB7/PGD — PORTB bit 7 / ICSP data |
| Pin 28 | VSS — Ground reference (secondary) |
Typical Applications
PIC16F76-I/SS is suitable for 6 applications: Industrial Control Systems, Sensor Signal Conditioning, Low-Cost Motor Control (PWM/H-bridge), HVAC Control and Thermostats, Consumer Appliance Control, Automotive Body Electronics (Non-Safety).
Industrial Control Systems
The PIC16F76-I/SS fits industrial control systems where deterministic 8-bit processing, on-chip ADC, and serial communication reduce BOM cost. With 14KB FLASH, 368B RAM, and a 20MHz CPU clock delivering approximately 5 MIPS, it handles discrete logic, sensor readout, and PID loop execution in PLC-style controllers. The five 8-bit ADC channels interface 4-20mA or 0-10V sensor inputs through external signal conditioning; the USART links to RS-485 transceivers for Modbus RTU fieldbus. Compared with a discrete logic design (74HC-series gates + EEPROM), the integrated MCU eliminates dozens of components. Brown-out reset and watchdog timer ensure safe recovery in 24V industrial bus environments with noisy supplies.
Recommended
Sensor Signal Conditioning
For sensor signal conditioning modules, the PIC16F76-I/SS provides local intelligence with its 5-channel 8-bit ADC, USART, and 22 digital I/O in a compact 28-SSOP package. The ADC scans temperature, pressure, or humidity transducers at adequate resolution for HVAC and process control; PWM outputs drive 4-20mA current loops without external DACs. The PIC16F76's nanoWatt technology (sleep current in microamps) suits battery-powered wireless sensor nodes where the MCU sleeps between ADC samples. Compared with bare op-amp signal chains, this integrated approach cuts board area, calibration time, and overall cost. Industrial temperature grade (-40C to +85C) supports outdoor sensor installations.
Recommended
Low-Cost Motor Control (PWM/H-bridge)
The PIC16F76-I/SS suits low-cost brushed DC motor and small stepper motor control with its two CCP/PWM modules and 20MHz instruction throughput. PWM outputs drive discrete MOSFET H-bridges for bidirectional motor control, while ADC inputs close the loop on current sensing or back-EMF monitoring. The 14KB FLASH holds commutation tables and PID control code for fans, pumps, and small appliances. The USART enables host communication for speed/torque commands. Compared with dedicated motor controller ASICs, this general-purpose MCU approach costs less and allows field firmware updates. Add external opto-isolation (e.g., MOC3021) when driving AC mains-referenced loads.
Recommended
HVAC Control and Thermostats
For HVAC thermostats and zone controllers, the PIC16F76-I/SS offers the right mix of 5 ADC channels (for temperature, humidity, setpoint), PWM outputs (for relay control or TRIAC firing), and serial communication (USART for networked thermostats). The 14KB FLASH stores scheduling algorithms and user preferences in non-volatile EEPROM. Industrial temperature grade supports installation in extreme climates. Compared with mechanical bimetallic thermostats, this MCU solution adds programmability, remote sensing, and energy-saving optimization. Brown-out reset prevents erratic behavior when the HVAC transformer relay switches.
Recommended
Consumer Appliance Control
The PIC16F76-I/SS powers control boards in consumer appliances (washing machines, microwave ovens, dishwashers, coffee makers) where its 8-bit core, on-chip ADC, PWM, USART, and compact 28-SSOP package fit cost-sensitive designs. The MCU reads user inputs (buttons, encoders) via digital I/O, drives relays and TRIACs via PWM or GPIO, and times appliance operations from a 20MHz reference. With 14KB FLASH, code space is sufficient for menu state machines, sensor fault detection, and safety interlocks. The -I grade operates from -40C to +85C, covering kitchen and laundry environments. Compared with discrete logic, the integrated MCU simplifies FCC/CE compliance by handling EMI-sensitive timing in software.
Recommended
Automotive Body Electronics (Non-Safety)
For non-safety automotive body electronics (interior lighting, seat controllers, mirror adjusters, accessory timers), the PIC16F76-I/SS delivers adequate 8-bit processing in a small 28-SSOP footprint. With 14KB FLASH and 368B RAM, the MCU handles CAN or LIN slave tasks via the USART plus an external transceiver. The 5-channel ADC reads switch positions and potentiometers; PWM drives LED dimming and small DC loads. For safety-critical or AEC-Q100-mandated systems, the automotive-grade PIC16F76 variant or a dsPIC/PIC18 family is required; the PIC16F76-I/SS suits only non-safety body modules. Compared with automotive ASICs, the general-purpose MCU offers faster development and field reprogrammability.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F76-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F76-E/SS | PIC16F767-I/SS | PIC16F767-E/SS |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SSOP | 28-SSOP (same) | 28-SSOP (same) | 28-SSOP (same) |
| Flash Program Memory | 14 KB (8K x 14) | 14 KB (same) | 14 KB (same) | 14 KB (same) |
| RAM | 368 bytes | 368 bytes (same) | 368 bytes (same) | 368 bytes (same) |
| ADC Channels | 5 (8-bit) | 5 (8-bit) | 8 (8-bit, +3) | 8 (8-bit, +3) |
| CCP/PWM Modules | 2 | 2 (same) | 2 (same) | 2 (same) |
| USART | 1x USART | 1x USART | 2x USART (+1) | 2x USART (+1) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) |
| Maximum CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Single-Unit Price (approx, USD) | 8.50 | 8.50 | 9.10 | 9.10 |
Key Differentiators
- 5-channel 8-bit ADC with dual CCP/PWM in 28-SSOP package (vs PIC16F73-I/SO)
- Extended temperature drop-in compatibility (vs PIC16F76-E/SS)
- Peripheral superset with identical pinout (vs PIC16F767-I/SS)
Design Notes
Place a 100nF ceramic decoupling capacitor within 5mm of the VDD pin (pin 19) and a bulk 10uF tantalum or ceramic capacitor near the supply entry point. The PIC16F76 datasheet specifies a 2.0V-5.5V supply range; the brown-out reset (BOR) circuit must be configured to the supply voltage used. For battery-powered designs, leverage the nanoWatt SLEEP mode (typical current in microamps) and use the watchdog timer with on-chip oscillator for periodic wake-up. Decouple both VDD pins on 40-pin variants; the 28-pin device has one VDD (pin 19) and two VSS pins (18, 28).
The 28-SSOP package has a 0.65mm pin pitch and 5.30mm body width; route all signals on the top layer with traces under 0.2mm width to maintain manufacturing tolerances. Keep the MCLR pull-up resistor (typically 10k ohm) close to pin 1 to avoid programming failures. Provide a 6-pin ICSP header (MCLR, VDD, VSS, PGD, PGC, RB3 optional) accessible on the board for production programming. Place the crystal or resonator within 10mm of pins 8 and 9, with short, symmetric traces and a ground guard ring for EMI-sensitive PCB layout.
Configuration bits (fuses) must be set before code execution; common mistakes include leaving the watchdog timer enabled in development (causing unexpected resets) or selecting the wrong oscillator mode (HS vs XT vs LP). The ICSP programming pin RB3 is shared with PGM in low-voltage programming mode - leaving it as a high-impedance input during programming can fail to enter programming mode. The ADC requires a minimum acquisition time; using the internal RC oscillator as ADC clock at high frequencies requires the ADCS_REGN configuration bits to be set correctly. The PIC16F76 datasheet's electrical characteristics section specifies the ADC minimum acquisition time for full 8-bit accuracy.
Compliance Information
RoHS-compliant per Microchip product compliance. Lead-free matte-tin plating. Not AEC-Q100 qualified - choose automotive-grade PIC16F variant for in-vehicle designs. Industrial temperature grade -40C to +85C. MSL1 per JEDEC J-STD-020.
