PIC16F883T-I/SS - 8-Bit 20MHz 7KB Flash MCU 28-SSOP | Microchip
MPN: PIC16F883T-I/SS β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.7 | $1.70 |
| 10 | $1.55 | $15.50 |
| 100 | $1.35 | $135.00 |
| 500 | $1.18 | $590.00 |
| 1,000 | $1.05 | $1,050.00 |
| 2,500 | $0.95 | $2,375.00 |
PIC16F883T-I/SS Overview
What is a flash-based 8-bit microcontroller? It is a single-chip computer built around an 8-bit data path with non-volatile flash program storage, RAM for runtime variables, and integrated peripherals such as ADC, timers, and communication interfaces. The PIC16F883 sits inside the product hierarchy: microcontroller -> embedded MCU -> 8-bit MCU -> PIC16 mid-range family -> flash-based nanoWatt XLP variant, and is widely used as a low-power general-purpose controller for cost-sensitive embedded designs.
Key features include 25 general-purpose I/O pins, 11 channels of 10-bit ADC, 2 analog comparators, 2 Capture/Compare/PWM modules, 5 timers, an enhanced USART, MSSP supporting both SPI and I2C master/slave modes, 35 single-word instructions, and nanoWatt XLP technology for ultra-low sleep currents. The part operates from 2.0V to 5.5V across an industrial -40C to +85C temperature range, supporting both battery-powered and 5V-regulated rails.
The PIC16F883 architecture uses a 14-bit wide instruction word and a Harvard-style RISC core, achieving 200ns instruction execution at 20MHz. Self-programmability, on-chip ICD debug, and an integrated 16-level hardware stack simplify in-circuit firmware updates and field servicing, while dedicated low-power sleep modes draw currents in the microamp range - critical for battery-backed sensor nodes.
Typical applications include consumer white goods, HVAC control panels, simple sensor hubs, low-end battery chargers, LED drivers, and remote controls. The wide 2.0-5.5V supply range makes it suitable for direct connection to single-cell Li-ion and 3.3V logic systems.
When designing, ensure the MCLR reset circuit uses a 10k pull-up with a 100nF cap to ground as recommended in the datasheet, and place decoupling capacitors (100nF plus 10uF bulk) within 5mm of VDD pins. The internal oscillator can free two I/O pins if relaxed frequency accuracy is acceptable.
This page synthesizes real-time distributor pricing, drop-in same-package alternatives, and practical design notes that are not aggregated on any single manufacturer or distributor page.
Drop-in alternatives for PIC16F883T-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 PIC16F883T-I/SS (same form factor and footprint) β differing in Core Architecture, Package, Timers, ADC, Operating Temperature.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC16F883-I/SS
β Drop-Inβ In Stock
$1.74 / Unit
View Datasheet βPIC16F886-I/SS
β Drop-Inβ In Stock
$1.81 / Unit
View Datasheet βPIC16F882T-I/SS
β Drop-Inπ Reference alternative (not in catalog)
PIC16F883T-E/SS
β Drop-Inπ Reference alternative (not in catalog)
PIC16F883T-I/SO
β Drop-Inπ Reference alternative (not in catalog)
PIC16F883-I/SO
β Drop-Inβ In Stock
$1.52 / Unit
View Datasheet βPIC16F883T-I/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 8-bit RISC (Harvard) |
| Instruction Word Size | 14 bits |
| Program Memory Type | Enhanced Flash |
| Program Memory Size | 7 KB (4K x 14) |
| SRAM | 368 bytes |
| EEPROM Data Memory | 256 bytes |
| Maximum CPU Frequency | 20 MHz |
| Instruction Execution Time | 200 ns at 20 MHz |
| Supply Voltage (VDD) | 2.0 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (Industrial, I grade) |
| I/O Pins | 25 |
| ADC | 11 channels x 10-bit |
| Comparators | 2 |
| CCP Modules | 2 (Capture / Compare / PWM) |
| Timers | 5 (Timer0, Timer1, Timer2, plus WDT and secondary) |
| Communication | EUSART, MSSP (SPI / I2C master & slave) |
| Package | 28-SSOP (Shrink Small Outline Package) |
| Mounting Type | Surface Mount |
| MSL Level | 1 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
| Quality System | Microchip QS-9000 compliant manufacturing |
| Instruction Set | 35 single-word instructions |
| Self-Programming | Yes |
| In-Circuit Debug | Yes (ICD) |
| Low-Power Technology | nanoWatt XLP |
PIC16F883T-I/SS Pin Configuration
| Pin 1 | MCLR/VPP/RA3 β Master Clear reset (active low) or ICSP VPP; shared with RA3 input |
| Pin 2 | RA0/AN0/ULPWU β Bidirectional I/O, AN0 analog input, ultra-low-power wake input |
| Pin 3 | RA1/AN1 β Bidirectional I/O, AN1 analog input |
| Pin 4 | RA2/AN2/VREF- β Bidirectional I/O, AN2 analog input, negative ADC reference |
| Pin 5 | RA3/AN3/VREF+ β Bidirectional I/O, AN3 analog input, positive ADC reference |
| Pin 6 | RA4/T0CKI/C1OUT β Bidirectional I/O, Timer0 clock input, comparator 1 output |
| Pin 7 | RA5/AN4/SS/HLVDIN/C2OUT β Bidirectional I/O, AN4, SPI slave select, high/low voltage detect, C2 output |
| Pin 8 | VSS β Ground reference |
| Pin 9 | OSC1/CLKIN/RA7 β Crystal/clock input or RA7 GPIO |
| Pin 10 | OSC2/CLKOUT/RA6 β Crystal output or RA6 GPIO, peripheral clock out |
| Pin 11 | RC0/T1OSO/T1CKI β Bidirectional I/O, Timer1 oscillator I/O |
| Pin 12 | RC1/T1OSI/CCP2 β Bidirectional I/O, Timer1 oscillator, CCP2 PWM/capture |
| Pin 13 | RC2/P1A/CCP1 β Bidirectional I/O, PWM1 output A, CCP1 |
| Pin 14 | RC3/SCK/SCL β Bidirectional I/O, SPI clock, I2C clock |
| Pin 15 | RC4/SDI/SDA β Bidirectional I/O, SPI data in, I2C data |
| Pin 16 | RC5/SDO β Bidirectional I/O, SPI data out |
| Pin 17 | RC6/TX/CK β Bidirectional I/O, USART TX, USART clock |
| Pin 18 | RC7/RX/DT β Bidirectional I/O, USART RX, USART data |
| Pin 19 | VSS β Ground reference |
| Pin 20 | VDD β Positive supply 2.0V to 5.5V |
| Pin 21 | RB0/AN12/INT β Bidirectional I/O, AN12, external interrupt |
| Pin 22 | RB1/AN10/C12IN3-/P1C β Bidirectional I/O, AN10, comparator input, PWM1C output |
| Pin 23 | RB2/AN8/P1B β Bidirectional I/O, AN8, PWM1B output |
| Pin 24 | RB3/AN9/PGM/C12IN2- β Bidirectional I/O, AN9, LVP program, comparator input |
| Pin 25 | RB4/AN11 β Bidirectional I/O, AN11 |
| Pin 26 | RB5/AN13/T1G β Bidirectional I/O, AN13, Timer1 gate |
| Pin 27 | RB6/PGC β Bidirectional I/O, ICD clock |
| Pin 28 | RB7/PGD β Bidirectional I/O, ICD data |
Typical Applications
PIC16F883T-I/SS is suitable for 6 applications: Consumer White Goods Control Board, Battery-Powered Sensor Hub, HVAC Control Panel Interface, Low-End Battery Charger Controller, LED Lighting Driver Module, Industrial Sensor Signal Conditioning.
Consumer White Goods Control Board
The PIC16F883T-I/SS is well-matched to consumer white-goods controllers such as washing machines, dishwashers, and small kitchen appliances, where it must read multiple analog sensors and drive relays or TRIACs. Its 11-channel 10-bit ADC handles temperature, water level, and motor-current sensing simultaneously, while the 2 CCP modules generate PWM for valve and pump control. The 25 I/O pins drive keypad matrices, LED indicators, and segment displays. The 7 KB flash holds typical appliance state-machine firmware comfortably, and the 2.0-5.5V range accepts direct connection to rectified 5V rails or single-cell Li-ion backup batteries. nanoWatt XLP sleep modes drop standby power below 1uA for energy-star compliance.
Recommended
Battery-Powered Sensor Hub
The PIC16F883T-I/SS serves as a low-cost sensor hub in battery-powered IoT edge nodes that transmit periodic readings over UART or SPI to a host radio module. Its nanoWatt XLP technology drops supply current below 1uA in sleep, and the 256-byte EEPROM stores calibration constants and device IDs that survive power cycles. The 11-channel ADC multiplexes across temperature, humidity, and battery-voltage sense channels, while the EUSART streams ASCII or MODBUS frames at 9600/19200 baud. The 2.0-5.5V range supports direct connection to 2xAA alkaline or single-cell Li-ion without boosting or bucking. With 368 bytes of SRAM, it handles simple averaging and threshold logic between transmissions.
Recommended
HVAC Control Panel Interface
The PIC16F883T-I/SS drives mid-range HVAC control panels requiring a 7-segment display, keypad input, and communication with the main thermostat logic board. Its 25 I/O pins directly multiplex a 4-digit 7-segment display plus 16-key matrix, while the 2 comparators provide zero-cross detection for TRIAC-driven line-voltage loads. The 35-instruction PIC16 RISC core executes the user-interface state machine within tight update cycles, and the 256-byte EEPROM stores user-set temperature setpoints across power cycles. Industrial -40C to +85C operation handles equipment-room environments without derating.
Recommended
Low-End Battery Charger Controller
The PIC16F883T-I/SS implements CC/CV charge profiles for small Li-ion, NiMH, and lead-acid packs where a digital algorithm outperforms a pure analog charger. Its 10-bit ADC monitors charge current via a sense resistor and pack voltage at the output terminal, while the 2 CCP modules drive MOSFET gate drivers in PWM-current regulation. The flash memory stores multiple chemistry profiles that can be selected at boot via ADC pin straps. nanoWatt XLP keeps quiescent draw below 50uA when the pack is idle, important for USB-style maintenance charging. The 2.0-5.5V VDD range is comfortable for USB-powered charger boards.
Recommended
LED Lighting Driver Module
The PIC16F883T-I/SS acts as a digital ballast in mid-power LED fixtures, providing smooth PWM dimming, thermal feedback, and addressable color-mixing via DMX or 0-10V analog inputs. Its 2 CCP modules generate high-resolution PWM dimming up to 20kHz - above the audible band and avoiding flicker complaints. The 11 ADC channels monitor LED temperature via thermistors, ambient light, and supply current for closed-loop control. The 7 KB flash holds lighting-effects libraries, and the EEPROM stores fixture address and calibration curves. 2.0-5.5V VDD accepts 24V-buck-derived 5V or 12V-buck-derived 3.3V rails without level shifters.
Recommended
Industrial Sensor Signal Conditioning
The PIC16F883T-I/SS conditions 4-20mA loop signals and bridge-based sensor outputs in factory-automation panels where its industrial -40C to +85C rating is essential. The 10-bit ADC oversamples 4-20mA current-sense voltage across a 250-ohm shunt to deliver 12-bit effective resolution after averaging. The MSSP runs I2C to read digital temp sensors or EEPROM, while the EUSART bridges to a PLC or HMI via RS-485 with a transceiver. nanoWatt XLP lets the module sleep between scans, supporting loop-powered applications where total current budget is 3.5mA. The 25 I/O handle multi-channel analog multiplexing plus discrete I/O for status LEDs and relay drive.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F883T-I/SS β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F883-I/SS | PIC16F886-I/SS | PIC16F882T-I/SS | PIC16F883T-E/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SSOP | 28-SSOP (same) | 28-SSOP (same) | 28-SSOP (same) | 28-SSOP (same) |
| Program Memory | 7 KB | 7 KB (same) | 14 KB | 3.5 KB | 7 KB (same) |
| SRAM | 368 bytes | 368 bytes (same) | 368 bytes (same) | 128 bytes | 368 bytes (same) |
| EEPROM | 256 bytes | 256 bytes (same) | 256 bytes (same) | 128 bytes | 256 bytes (same) |
| I/O Pins | 25 | 25 (same) | 28 | 24 | 25 (same) |
| ADC Channels | 11 | 11 (same) | 11 (same) | 8 | 11 (same) |
| CCP Modules | 2 | 2 (same) | 2 (same) | 1 | 2 (same) |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C (same) | -40C to +85C (same) | -40C to +85C (same) | -40C to +125C (Extended) |
Key Differentiators
- Mature, in-stock PIC16 mid-range 8-bit MCU with industrial -40C to +85C support (vs PIC16F882T-I/SS)
- Lower-cost drop-in for designs originally targeting PIC16F886 (vs PIC16F886-I/SS)
- Industrial-grade version available in extended-temperature -E variant (vs PIC16F883T-E/SS)
- Higher ADC channel count than price-comparable PIC16F877A on legacy 40-pin packages (vs PIC16F877A-I/P)
Design Notes
Place a 100nF ceramic decoupling capacitor within 5mm of each VDD/VSS pin pair, plus a single 10uF bulk tantalum or ceramic near the MCU supply entry point. The PIC16F883 has internal power-on reset and brown-out reset, but voltage noise above 200mV Vpp can trigger spurious resets; bulk decoupling avoids that. For battery-powered designs, add a 100k-ohm + 100nF RC network on MCLR to ensure clean start-up from slow-rising supplies.
Route the crystal traces to OSC1/OSC2 short and symmetric, keeping them over a continuous ground plane. According to the PIC16F88x datasheet, stray capacitance above 10pF on these pins can pull the oscillator off-frequency or prevent start-up. If using the internal 16MHz HFINTOSC, leave OSC1/OSC2 as RA6/RA7 GPIO to free 2 I/O, but keep traces short if you occasionally switch to crystal mode for timing-sensitive UART comms.
Verify CONFIG register settings before programming - the default CONFIG can enable low-voltage programming (LVP) on RB3/PGM, which disables digital I/O on that pin until the LVP bit is cleared. Similarly, the watchdog timer is enabled by default in some configurations; explicitly disable it if not needed, or use the SWDTEN bit. The PIC16F883 ICSP pins (RB6/RB7) are not 5V-tolerant when used as GPIO with the LVP bit set - an external programmer can fight the application circuitry.
The MSSP SPI peripheral can run up to FOSC/4 = 5 MHz at 20 MHz CPU. According to the Microchip datasheet, keep SPI traces under 50mm and add 33-ohm series resistors at the driver end to damp reflections when communicating with FR4-trace-attached peripherals. For I2C, use 4.7k pull-ups up to 100 kHz Standard mode and 2.2k pull-ups for 400 kHz Fast mode - the internal weak pull-ups on RB0-RB7 are too weak for reliable bus arbitration.
The PIC16F883T-I/SS is specified from -40C to +85C for the I-grade industrial version. Total supply current at 20 MHz is typically 7 mA at 5V (about 35 mW), so junction self-heating is negligible; no thermal relief copper pours are required under the SSOP pad. For sealed enclosures without airflow, verify ambient stays below 70C to keep junction temperature well within spec, since the SSOP thermal resistance is approximately 100 C/W without a thermal pad.
Compliance Information
RoHS compliant per Microchip product page; not AEC-Q100 qualified - choose PIC16F883T-E/SS for extended temperature or PIC16F883-I/SS-Q for automotive-grade qualification. Manufactured under Microchip's QS-9000 quality system.
