PIC16F886T-I/SS - 14KB Flash 20MHz 8-bit MCU 28-SSOP | Microchip
MPN: PIC16F886T-I/SS β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.55 | $25.50 |
| 100 | $2.18 | $218.00 |
| 500 | $1.92 | $960.00 |
| 1,000 | $1.71 | $1,710.00 |
PIC16F886T-I/SS Overview
What is a mid-range 8-bit flash microcontroller? A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory, volatile data memory, peripherals, and I/O on one die. The PIC16F mid-range family uses Microchip's Reduced Instruction Set Computing (RISC) Harvard architecture with separate program and data buses, single-cycle instructions at 20 MHz (200 ns), and nanoWatt power management for low-power operation. Within the broader semiconductor taxonomy, the device sits as: MCU -> 8-bit MCU -> flash MCU -> mid-range PIC16F.
Key differentiating features include nanoWatt technology for sleep currents below 1 uA typical, an ICD (In-Circuit Debug) interface for non-intrusive programming, self-programming capability for bootloader-style firmware updates, and a hardware USART for asynchronous serial communication. The 14 KB Flash memory supports at least 10,000 erase/write cycles per Microchip's endurance specifications, while the 256-byte EEPROM provides at least 1,000,000 erase/write cycles for non-volatile parameter storage.
The PIC16F886 uses an enhanced Harvard architecture with a 14-bit instruction word, 8-bit data bus, and a pipelined fetch/decode/execute cycle. The device includes a Phase-Locked Loop (PLL) on selectable variants, internal 8 MHz and 31 kHz oscillators, and a programmable brown-out reset. The peripheral set covers timers (Timer0, Timer1, Timer2), MSSP (Master Synchronous Serial Port) for SPI and I2C, an addressable Universal Synchronous/Asynchronous Receiver/Transmitter (USART), and an enhanced CCP module for PWM and capture.
Typical applications include industrial control panels, sensor signal conditioning nodes, low-power remote battery-operated sensor transmitters, white-goods and appliance controllers, automotive aftermarket accessories, lighting controls, and consumer peripherals. The combination of 14 KB Flash, 28 pins, and nanoWatt technology makes this part a popular general-purpose MCU for embedded products that need more code space than a PIC16F84 or PIC12F series can provide.
When designing with this part, pay close attention to the I/O pin sharing between analog channels, digital peripherals, and ICSP programming pins - misconfiguring analog pins as digital outputs is a common pitfall. The ICD pins are shared with RB6/RB7, so leave those unconstrained in the schematic for in-circuit debugging.
This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the bare manufacturer datasheet.
Drop-in alternatives for PIC16F886T-I/SS β 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 PIC16F886T-I/SS (same form factor and footprint) β differing in ADC, Package, Timers, Core Architecture, MSL Level.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC16F886-I/SS
β Drop-Inπ Reference alternative (not in catalog)
PIC16F884T-I/SS
β Drop-Inπ Reference alternative (not in catalog)
PIC16F883T-I/SS
β Drop-Inβ In Stock
$0.95 / Unit
View Datasheet βPIC16F887T-I/SS
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC16F882T-I/SO
β Drop-In β οΈ εζ°εΎ ιͺθ―β In Stock
$1.55 / Unit
View Datasheet βPIC16F886T-I/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 (8-bit RISC Harvard) |
| Program Memory Type | Flash |
| Program Memory Size | 14 KB (8K x 14 words) |
| RAM Size | 368 bytes |
| EEPROM Size | 256 bytes |
| CPU Speed (Fosc) | 20 MHz |
| Instruction Cycle | 200 ns |
| Instruction Set Size | 35 instructions (single-word) |
| Operating Voltage (Vdd) | 2.0 V to 5.5 V |
| I/O Pins | 25 |
| ADC | 11 x 10-bit channels |
| Comparators | 2 |
| CCP / PWM Modules | 1 enhanced CCP |
| Timers | Timer0, Timer1, Timer2 |
| Serial Interfaces | USART, MSSP (SPI / I2C) |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | 28-SSOP (5.30 mm body, 0.65 mm pitch) |
| Mounting Type | Surface Mount |
| MSL Level | 1 (unlimited floor life) |
| RoHS Status | Compliant |
PIC16F886T-I/SS Pin Configuration
| Pin 1 | RA2/AN2 β Digital I/O / ADC channel 2 |
| Pin 2 | RA3/AN3 β Digital I/O / ADC channel 3 |
| Pin 3 | RA4/AN4 β Digital I/O / ADC channel 4 (open drain) |
| Pin 4 | RA5/AN5 β Digital I/O / ADC channel 5 |
| Pin 5 | RA6/OSC2 β Digital I/O / oscillator output |
| Pin 6 | RA7/OSC1 β Digital I/O / oscillator input |
| Pin 7 | VSS β Ground reference |
| Pin 8 | VDD β Positive supply (2.0-5.5 V) |
| Pin 9 | RB0/INT β Digital I/O / external interrupt |
| Pin 10 | RB1 β Digital I/O |
| Pin 11 | RB2 β Digital I/O |
| Pin 12 | RB3/PGM β Digital I/O / ICSP low-voltage programming |
| Pin 13 | RB4 β Digital I/O |
| Pin 14 | RB5 β Digital I/O |
| Pin 15 | RB6/ICSPCLK β Digital I/O / ICSP clock (ICD) |
| Pin 16 | RB7/ICSPDAT β Digital I/O / ICSP data (ICD) |
| Pin 17 | RC0 β Digital I/O |
| Pin 18 | RC1 β Digital I/O |
| Pin 19 | RC2 β Digital I/O |
| Pin 20 | RC3 β Digital I/O |
| Pin 21 | RC4 β Digital I/O |
| Pin 22 | RC5 β Digital I/O |
| Pin 23 | RC6 β Digital I/O / USART TX |
| Pin 24 | RC7 β Digital I/O / USART RX |
| Pin 25 | RE3/MCLR β Master Clear reset (input) / digital I/O |
| Pin 26 | RE0/AN5 β Digital I/O / ADC channel 5 |
| Pin 27 | RE1/AN6 β Digital I/O / ADC channel 6 |
| Pin 28 | RE2/AN7 β Digital I/O / ADC channel 7 |
Typical Applications
PIC16F886T-I/SS is suitable for 8 applications: Industrial Sensor Node, White Goods / Appliance Control, Consumer Remote Control / IR Transmitter, Battery-Operated RF Sensor Transmitter, Automotive Aftermarket Accessory, Digital Panel Meter / Measurement Front End, LED Lighting Controller, Industrial Control Panel / HMI.
Industrial Sensor Node
The PIC16F886T-I/SS is well suited to battery-powered industrial sensor nodes because it integrates 11 channels of 10-bit ADC at up to 20 MHz CPU speed while drawing sub-1uA sleep current via nanoWatt technology per Microchip datasheet 41291F. The 368 bytes of RAM and 14 KB Flash accommodate C-compiled state machines with calibration tables, hysteresis loops, and Modbus RTU stacks. Engineers typically wire the part with an external sensor (RTD, pressure cell, current shunt), use Timer1 for periodic wake from sleep, and buffer the UART to an RS-485 transceiver. Compared with a discrete ADC-plus-MCU solution, the PIC16F886T-I/SS reduces BOM cost and PCB area while providing a robust -40 C to +85 C industrial range for factory-floor deployment.
Recommended
White Goods / Appliance Control
The PIC16F886T-I/SS drives washing-machine, dishwasher, and HVAC appliance controllers because it packs 25 I/O pins and a 20 MHz CPU in a compact SSOP-28 surface-mount package per Microchip datasheet 41291F. Designers use the enhanced CCP module to generate PWM for motor/solenoid control, the 10-bit ADC to read NTC thermistors for water temperature, and the analog comparators to detect zero-cross on AC lines for triac timing. With 14 KB Flash the firmware comfortably fits wash-cycle state machines, BLDC control tables, and capacitive-touch sensing firmware. The industrial -40 C to +85 C range matches appliance chamber environments, while the nanoWatt sleep extends standby current on display-equipped models that run 24/7.
Recommended
Consumer Remote Control / IR Transmitter
The PIC16F886T-I/SS enables compact IR remote controls and RF transmitter remotes by combining 14 KB Flash for protocol libraries (NEC, RC5, SIRC), 368 bytes RAM, and nanoWatt sleep below 1 uA for multi-year battery lifetime per Microchip datasheet 41291F. The 8-bit PWM output (via the enhanced CCP module) drives an IR LED with carrier-frequency precision; firmware stores device codes in 256-byte EEPROM without rewrites to Flash. The 25-pin SSOP count is overkill for pure remote controls but supports multi-button LCD-equipped smart remotes with haptic feedback. Compared to lower-pin PICs like PIC12F or PIC16F505, the PIC16F886 leaves room for firmware updates and OTA-style upgrades.
Recommended
Battery-Operated RF Sensor Transmitter
The PIC16F886T-I/SS serves the role of low-power MCU in battery-operated wireless sensor transmitters (Zigbee, LoRa, Sub-GHz proprietary) where its 2.0 V minimum supply keeps it running down to nearly the end of the AA-cell discharge curve per Microchip datasheet 41291F. Designers use Timer1 to wake the device every few seconds, read an ADC channel through an SPI sensor, and burst-transmit via a USART-to-RF transceiver. Sleep current under 1 uA and active current roughly 1.5 mA at 4 MHz yield decades of battery life in slow-duty-cycle designs. Compared with bare PIC12F solutions, the 14 KB Flash room accommodates AES-128 stacks and OTA firmware loaders, making the PIC16F886T-I/SS a robust platform for industrial wireless sensor networks.
Recommended
Automotive Aftermarket Accessory
The PIC16F886T-I/SS drives automotive aftermarket accessories such as alarm remotes, fan controllers, gauge pods, and light dimmers thanks to its -40 C to +85 C industrial range, brown-out reset, and 11 ADC channels for battery voltage and sensor reads per Microchip datasheet 41291F. Although not AEC-Q100 qualified, the part is widely used in non-safety interior accessories where the same voltage transients (load dump, jump-start) are managed by TVS diodes and properly conditioned rails. The PWM outputs drive LED arrays, the USART communicates with Bluetooth or CAN bridges, and Flash self-programming enables field firmware updates via OEM service tools. Compared with automotive-grade dsPIC33 families, PIC16F886T-I/SS is dramatically cheaper while delivering the peripherals most aftermarket products need.
Recommended
Digital Panel Meter / Measurement Front End
The PIC16F886T-I/SS supports digital panel meters, multimeter reference circuits, and low-cost measurement instruments because of its 11 ADC channels, accurate internal oscillator, and 25 I/O pins for selecting ranges and driving LCD or LED displays per Microchip datasheet 41291F. Engineers typically pair it with a precision op-amp front end, multiplex through analog switches for range scaling, and run C-derived software calibration routines via the 256-byte EEPROM for offset/gain storage. The PWM module handles dimming of bar graphs, while the MSSP drives an SPI LCD. Compared to dedicated ADC chips, the PIC16F886T-I/SS minimizes bill of materials while leaving firmware space for true RMS math, peak hold, and serial export via USART to USB bridges.
Recommended
LED Lighting Controller
The PIC16F886T-I/SS is widely used in architectural and decorative LED controllers because it pairs an enhanced CCP PWM with up to 25 I/O pins in a small SSOP-28 package, supporting RGB and RGBW drive logic with smooth color mixing per Microchip datasheet 41291F. Its nanoWatt sleep and 2.0 V operation make it a natural choice for battery-operated decorative lighting or solar-powered accent fixtures. Firmware implements DMX-512, DALI, or proprietary RF receive on the USART, then drives N-channel MOSFETs via PWM channels for each LED string. Compared with single-channel timer MCUs, the PIC16F886T-I/SS delivers four independent PWM streams plus enough Flash to add schedule, astronomical time, and firmware-over-the-air features.
Recommended
Industrial Control Panel / HMI
The PIC16F886T-I/SS is a strong fit for industrial control-panel HMIs because 14 KB Flash stores Modbus RTU stacks, parameter menus, and debounce/auto-repeat logic, while 25 I/O keys drive matrix keypads, LEDs, and graphic LCD peripherals per Microchip datasheet 41291F. The USART speaks RS-485 to a master PLC and the MSSP drives SPI-controlled LCD modules. With nanoWatt sleep, panels enter low-power display-dimming modes between operator inputs. Compared to PIC18 alternatives, the PIC16F886T-I/SS offers 14 KB of code space and 256-byte EEPROM for less than half the cost, while still being in-circuit programmable through ICSP via the shared PGC/PGD pins.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F886T-I/SS β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F886-I/SS | PIC16F884T-I/SS | PIC16F883T-I/SS | PIC16F887T-I/SS |
|---|---|---|---|---|---|
| Package | 28-SSOP (5.3 mm) | 28-SSOP (5.3 mm) | 28-SSOP (5.3 mm) | 28-SSOP (5.3 mm) | 28-SSOP (5.3 mm) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Size | 14 KB | 14 KB | 8 KB | 7 KB | 14 KB |
| RAM Size | 368 bytes | 368 bytes | 368 bytes | 256 bytes | 368 bytes |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| ADC Channels | 11 x 10-bit | 11 x 10-bit | 11 x 10-bit | 6 x 10-bit | 14 x 10-bit |
| I/O Pins | 25 | 25 | 25 | 25 | 36 |
| Operating Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Key Differentiators
- Industry-standard 8-bit architecture with 14 KB Flash and 11 ADC channels (vs PIC16F884T-I/SS)
- Tape & Reel packaging for high-volume SMT assembly (vs PIC16F886-I/SS (tube))
- nanoWatt sleep below 1 uA typical for years of battery life (vs PIC16F877A)
Design Notes
Decouple VDD on pin 8 with a 100 nF ceramic capacitor placed within 2 mm of the pin and bulk 10 uF tantalum or aluminum-polymer at the board input. The PIC16F886's nanoWatt sleep mode drops the core current below 1 uA typical when Timer1 is clocked from the 31 kHz LP oscillator - bulk capacitance should still be sized for a wake-up surge, and AVSS/AVDD separation is recommended when ADC channels are used for high-precision measurements.
Do not enable the ADC module without first configuring the corresponding TRIS bit as an input - leaving an ADC channel as an output and enabling ADCON0 will create output-to-input collisions on the pin. Always set ANSEL bits to digital '0' for pins used purely as digital I/O; the PIC16F886 defaults most analog-capable pins to analog mode on power-up. According to datasheet 41291F, this is the #1 source of 'dead-pin' reports on Microchip forums.
At 20 MHz and 5.5 V, the PIC16F886T-I/SS dissipates roughly 110 mW active - well within the SSOP-28 thermal resistance of approximately 90 C/W. Even with worst-case industrial +85 C ambient, junction temperature stays below 100 C. Estimated: at 4 MHz the dissipation drops to under 10 mW, allowing even fully sealed enclosures to operate reliably.
Reserve RB6 (ICSPCLK) and RB7 (ICSPDAT) as the dedicated in-circuit serial programming pins - if needed for general I/O, route them through a jumper or 0-ohm link to permit ICD debugger attachment without disturbing the circuit. Keep traces to the 20 MHz crystal on pins 9/10 (OSC1/OSC2) short (<10 mm) and place guard ground on both sides to limit radiated EMI, especially in industrial EMC-sensitive designs.
When using the MSSP module in SPI master mode at 20 MHz CPU clock, the maximum SPI clock is 5 MHz (Fosc/4). Add a series resistor on SCK near the MCU to dampen reflections into long traces. For I2C lines, populate 4.7 kohm pull-ups - the PIC16F886 has weak internal pull-ups (typically 50 kohm) that are insufficient for the SMBus specification. Place the I2C pull-ups within 25 mm of the connector to maintain clean edges.
Compliance Information
Per Microchip product page 41291F and DigiKey listing 1098690. The PIC16F886 family is not AEC-Q100 qualified - for automotive safety applications, Microchip recommends PIC18 / dsPIC33 families with proper qualification.
