PIC16F883-I/SO - 8-Bit 20MHz 7KB Flash MCU | Microchip
MPN: PIC16F883-I/SO β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.45 | $2.45 |
| 10 | $2.21 | $22.10 |
| 100 | $1.92 | $192.00 |
| 500 | $1.71 | $855.00 |
| 1,000 | $1.52 | $1,520.00 |
PIC16F883-I/SO Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash for program storage, SRAM for data, EEPROM for non-volatile data), and peripherals (timers, ADC, communication interfaces) on one die. The PIC16F883 belongs to the mid-range PIC16F family, which sits in Microchip's 8-bit product hierarchy as a workhorse platform for industrial control, sensor interfaces, and consumer appliances. The 'F' in PIC16F883 indicates Flash memory, supporting self-programming and field-upgradeable firmware. The PIC16F architecture implements a Harvard RISC design with only 35 single-word instructions, simplifying code generation in MPLAB X IDE.
Key features include 20MHz maximum clock (200ns instruction cycle), wide operating voltage from 2.0V to 5.5V supporting both 3.3V and 5V designs, nanoWatt power management for sleep currents as low as 50 nA, and integrated ICD (In-Circuit Debugger) support. The device also offers an 8-bit timer/counter with prescaler, a 16-bit timer/counter, and a Watchdog Timer for reliable operation in noisy environments. With its enhanced flash-based architecture and nanoWatt technology, the PIC16F883 delivers deterministic real-time response suitable for closed-loop control loops.
The PIC16F883-I/SO targets cost-sensitive embedded applications requiring moderate memory and rich analog integration. Typical uses include industrial sensor conditioning boards, HVAC thermostat controllers, battery-powered remote sensor nodes, small appliance control boards, and automotive accessory modules (non-safety). The -I suffix denotes the industrial temperature grade of -40C to +85C, suitable for harsh environments including outdoor industrial installations.
When designing with this part, select between the internal 8MHz or 31kHz oscillator or an external crystal based on timing accuracy needs. The MPLAB X IDE with XC8 compiler is the recommended toolchain, supporting free and PRO optimization modes. For production programming, MPLAB IPE or a PICkit programmer handles Flash and EEPROM writes in-circuit.
Drop-in alternatives for PIC16F883-I/SO 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 PIC16F883-I/SO (same form factor and footprint) β differing in Timers, Package, ADC, Core Architecture, Serial Interfaces.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC16F883T-I/SO
β Drop-Inπ Reference alternative (not in catalog)
PIC16F883-I/SS
β Drop-Inβ In Stock
$1.74 / Unit
View Datasheet βPIC16F882-I/SO
β Drop-Inπ Reference alternative (not in catalog)
PIC16F886-I/SO
β Drop-Inπ Reference alternative (not in catalog)
PIC16F873A-I/SO
β Drop-Inβ In Stock
$2.65 / Unit
View Datasheet βPIC16F883-I/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 (8-bit RISC) |
| Maximum CPU Frequency | 20 MHz |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data EEPROM | 256 bytes |
| Data SRAM | 368 bytes |
| I/O Pins | 25 |
| ADC | 11 channels x 10-bit |
| Comparators | 2 |
| CCP/ECCP Modules | 1 CCP + 1 ECCP |
| Serial Interfaces | 1x MSSP (SPI / I2C), 1x EUSART |
| Timers | 2x 8-bit, 1x 16-bit |
| Operating Voltage | 2.0 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Instruction Set | 35 single-word instructions |
| Package | 28-pin SOIC (SO) |
| Mounting Type | Surface Mount |
| MSL Level | 1 (unlimited floor life) |
| RoHS Status | Compliant |
PIC16F883-I/SO Pin Configuration
| Pin 1 | MCLR/RA5 β Master Clear (reset) input or digital I/O pin RA5 |
| Pin 2 | RA0/AN0 β PORTA bit 0 / ADC channel 0 |
| Pin 3 | RA1/AN1 β PORTA bit 1 / ADC channel 1 |
| Pin 4 | RA2/AN2 β PORTA bit 2 / ADC channel 2 |
| Pin 5 | RA3/AN3 β PORTA bit 3 / ADC channel 3 / VREF+ |
| Pin 6 | RA4/AN4 β PORTA bit 4 / ADC channel 4 |
| Pin 7 | RA5/AN5 β PORTA bit 5 / ADC channel 5 |
| Pin 8 | RE3 β PORTE bit 3 / MCLR alternate |
| Pin 9 | RA7/OSC1 β PORTA bit 7 / oscillator input |
| Pin 10 | RA6/OSC2 β PORTA bit 6 / oscillator output |
| Pin 11 | RC0 β PORTC bit 0 |
| Pin 12 | RC1 β PORTC bit 1 |
| Pin 13 | RC2 β PORTC bit 2 / CCP1 |
| Pin 14 | RC3 β PORTC bit 3 / SCL/SCK |
| Pin 15 | RC4 β PORTC bit 4 / SDA/SDI |
| Pin 16 | RC5 β PORTC bit 5 / SDO |
| Pin 17 | RC6 β PORTC bit 6 / TX/CK |
| Pin 18 | RC7 β PORTC bit 7 / RX/DT |
| Pin 19 | VSS β Ground reference |
| Pin 20 | VDD β Positive supply voltage (2.0V to 5.5V) |
| Pin 21 | RB0/INT β PORTB bit 0 / external interrupt |
| Pin 22 | RB1 β PORTB bit 1 |
| Pin 23 | RB2 β PORTB bit 2 |
| Pin 24 | RB3 β PORTB bit 3 / PGM |
| Pin 25 | RB4 β PORTB bit 4 |
| Pin 26 | RB5 β PORTB bit 5 |
| Pin 27 | RB6 β PORTB bit 6 / PGC |
| Pin 28 | RB7 β PORTB bit 7 / PGD |
Typical Applications
PIC16F883-I/SO is suitable for 6 applications: Industrial Sensor Interface Board, HVAC Thermostat Controller, Small Appliance Control Board, Battery-Powered Remote Sensor Node, Automotive Accessory Module (Non-Safety), Educational and Prototyping Platform.
Industrial Sensor Interface Board
The PIC16F883-I/SO is well suited for industrial 4-20 mA loop sensor interface boards because its 11-channel 10-bit ADC, 2 analog comparators, and 25 I/O pins handle multiple analog and digital sensors on a single chip. Operating from 2.0 V to 5.5 V allows direct 24 V loop-powered conditioning via simple resistor dividers and rail regulators, and the nanoWatt sleep modes drop quiescent current to roughly 50 nA for battery-backed remote installations. The 7 KB Flash fits Modbus RTU slave stacks and basic linearization algorithms for RTD, thermocouple, and strain-gauge front ends. The 28-pin SOIC package supports reflow soldering on industrial-grade PCB substrates with copper pours extending the -40 C to +85 C temperature range. Unlike larger ARM Cortex-M0 parts, the 8-bit RISC core delivers deterministic 200 ns instruction cycles ideal for tight PID loops.
Recommended
HVAC Thermostat Controller
The PIC16F883-I/SO fits HVAC thermostat and zone-controller designs because its 11 ADC channels read multiple thermistor temperature sensors, while the 2 CCP/ECCP modules drive TRIAC phase-control for heating and compressor outputs. The 25 I/O pins accommodate keypad scanning, LCD driving via MSSP, and relay control without external logic. Operating voltage of 2.0 V to 5.5 V lets the device run from 24 VAC-derived DC rails common in HVAC equipment. The 7 KB Flash stores scheduling tables, PID loop coefficients, and user preference profiles in 256 B EEPROM that survives power cycles. The industrial -40 C to +85 C temperature grade suits equipment-room installations, while the SO-28 SOIC package supports through-hole or mixed-technology boards typical of white-goods manufacturing.
Recommended
Small Appliance Control Board
The PIC16F883-I/SO is a strong fit for small appliances like coffee machines, blenders, washing machines, and induction cooktops because of its integrated ADC for temperature and current sensing plus PWM-capable ECCP for motor and heating-element control. The MSSP serial port supports I2C display drivers and EEPROM expansion, while the EUSART connects to BLE modules for smart-appliance connectivity. The 2.0 V to 5.5 V operating range supports both 3.3 V and 5 V supply rails from simple AC/DC adapters. With 7 KB Flash, firmware easily fits state machines, safety interlocks, and user-interface code. The 28-pin SOIC package reflows cleanly onto high-volume appliance PCBs, and the -40 C to +85 C grade handles under-cabinet and garage environments.
Battery-Powered Remote Sensor Node
The PIC16F883-I/SO works in battery-powered remote sensor nodes because its nanoWatt technology offers sleep currents as low as 50 nA, extending coin-cell or lithium-thionyl chloride battery life to years. The internal 8 MHz and 31 kHz oscillators remove the need for an external crystal, reducing BOM cost and standby power. The 11-channel 10-bit ADC handles periodic sensor readings, and the EUSART wakes the radio module only for transmissions. The 256-byte EEPROM stores calibration constants and node IDs. With 7 KB Flash, simple star-topology protocol stacks fit comfortably. The 28-pin SOIC package is well suited for low-power PCB designs with sleep current dominated by the MCU itself rather than peripherals.
Recommended
Automotive Accessory Module (Non-Safety)
The PIC16F883-I/SO supports non-safety automotive accessories such as interior lighting controllers, seat heaters, mirror adjusters, and aftermarket alarm systems. The 11-channel 10-bit ADC reads potentiometers and current shunts, while the ECCP module generates PWM for LED dimming and motor speed control. Although the part is not AEC-Q100 qualified (this is an industrial-grade part), the -40 C to +85 C range covers most cabin environments. Operating directly from 12 V via a 5 V regulator simplifies the power tree. The 256-byte EEPROM stores user preferences through battery disconnects. The 28-pin SOIC package suits compact automotive accessory PCBs.
Recommended
Educational and Prototyping Platform
The PIC16F883-I/SO is a popular choice for university microcontroller courses, hobby projects, and rapid prototyping because of its simple 35-instruction RISC architecture, well-documented peripherals, and free MPLAB X IDE + XC8 compiler toolchain. The 28-pin SOIC package with 25 I/O pins offers ample breadboard-friendly connections for LEDs, buttons, sensors, and character LCDs. The integrated ICD support allows in-circuit debugging via PICkit 3 or MPLAB SNAP without extra components. With 7 KB Flash, students can implement UART communication, ADC sampling, PWM generation, and interrupt-driven state machines in a single lab exercise. LCSC sells the part from USD 1.2161 in tubes, making it affordable for class kits.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F883-I/SO β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F883T-I/SO | PIC16F886-I/SO | PIC16F882-I/SO | PIC16F873A-I/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-pin SOIC (SO) | 28-pin SOIC (SO) - same | 28-pin SOIC (SO) - same | 28-pin SOIC (SO) - same | 28-pin SOIC (SO) - same |
| Program Memory (Flash) | 7 KB | 7 KB | 14 KB | 3.5 KB | 4 KB |
| Data SRAM | 368 bytes | 368 bytes | 368 bytes | 128 bytes | 128 bytes |
| Data EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 128 bytes |
| Maximum CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| ADC Channels | 11 x 10-bit | 11 x 10-bit | 11 x 10-bit | 11 x 10-bit | 8 x 10-bit |
| 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 |
| Packaging Format | Tube | Tape & Reel | Tube | Tube | Tube |
Key Differentiators
- Larger SRAM and Flash than legacy PIC16F873A in same package (vs PIC16F873A-I/SO)
- Smaller Flash footprint than PIC16F886 for cost-sensitive designs (vs PIC16F886-I/SO)
- More Flash and RAM than PIC16F882 for higher-feature products (vs PIC16F882-I/SO)
Design Notes
The PIC16F883-I/SO supports a wide 2.0 V to 5.5 V supply range and includes nanoWatt power management with sleep currents as low as 50 nA typical. For battery-powered designs, use the internal 31 kHz LF oscillator for timekeeping during sleep to minimize current draw. Brown-out reset (BOR) should always be enabled in production firmware to prevent code corruption during slow VDD rise. Place a 100 nF decoupling capacitor within 5 mm of the VDD pin and a bulk 10 uF electrolytic at the regulator output to suppress switching transients from connected radio or sensor modules.
When laying out a 28-pin SOIC PIC16F883 board, place the decoupling capacitor as close as possible to pins 19 (VSS) and 20 (VDD). Keep the crystal or resonator traces short (under 10 mm) and symmetric to avoid clock duty-cycle distortion. The MCLR pin (pin 1) requires a 10 kohm pull-up to VDD; for production-grade reset add a 100 nF cap on MCLR to filter noise. The ICSP programming pins PGC (RB6) and PGD (RB7) should be accessible via a 2x3 or 1x6 header for in-circuit debugging with PICkit 3 or MPLAB SNAP. For mixed-signal designs, separate analog (PORTA) and digital (PORTB/PORTC) traces to minimize ADC noise coupling.
A common mistake with PIC16F883 designs is leaving the configuration bits (CONFIG register) at default, which may select an oscillator mode incompatible with the hardware. Always explicitly set FOSC, WDTE, BOREN, and LVP bits in the XC8 source code via #pragma config directives. Another pitfall is reading ADC without the required acquisition delay: ensure TACQ is satisfied by inserting a delay matching the source impedance times 0.05 (for 10-bit accuracy at 5 V). Do not enable low-voltage programming (LVP) and the RB5/PGM pin function simultaneously without external pull-down, as floating PGM can cause unintended programming-mode entry. Finally, verify the I/O pin assignments against the datasheet pinout, since RA7 also functions as OSC1 and RA6 as OSC2 - using these pins for digital I/O requires INTOSC oscillator mode.
The PIC16F883-I/SO ADC achieves 10-bit resolution only when the source impedance is below 10 kohm and acquisition time is at least 11.5 us at 5 V. For higher-impedance sensors like thermistor dividers (>10 kohm), buffer the input with an op-amp such as the MCP6022 or use a longer acquisition time. Enable the ADC's anti-aliasing filter by adding a 100 nF cap directly at the ADC input pin. For switching-noise immunity in motor-control applications, gate ADC conversions to occur after PWM edge transitions settle using the ECCP special event trigger. The 2.0 V to 5.5 V supply range allows direct interface to 3.3 V sensors without level shifters, but verify the VIH/VIL thresholds in the electrical characteristics table for 5 V tolerance on input pins.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - this is an industrial-grade MCU. For automotive applications choose AEC-Q100-qualified variants from the PIC16F or PIC18 families. Halogen-free status not stated on the public datasheet and is reported as 'unknown' pending verification.
