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PIC16F1828T-I

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Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PIC16F1828T-I

Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · SSOP-20-208mil

PIC16F1828T-I from Microchip Tech, in a SSOP-20-208mil. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VDD power_in Positive supply; 1.8V-5.5V operation for PIC16F1828.
2 RA5 bidirectional General purpose I/O that also serves as external clock input (EC mode), crystal/resonator OSC1, Timer1 oscillator input, Timer1 clock input, P2A PWM output or CCP2.
3 RA4 bidirectional General purpose I/O that also serves as A/D channel 3, capacitive sensing input 3, OSC2/CLKOUT (FOSC/4), Timer1 oscillator output, clock reference output, P2B PWM output or Timer1 gate input.
4 RA3/MCLR/VPP input General purpose input only pin that also serves as Master Clear with internal weak pull-up, programming voltage VPP, or Timer1 gate input.
5 RC5 bidirectional General purpose I/O that also serves as P1A PWM output, CCP1, EUSART RX/DT, or modulator carrier input 2.
6 RC4 bidirectional General purpose I/O that also serves as comparator C2 output, SR latch inverting output, P1B PWM output, EUSART TX/CK or modulator output.
7 RC3 bidirectional General purpose I/O that also serves as A/D channel 7, capacitive sensing input 7, comparator C1/C2 negative input 3, PWM outputs P1C/P2A, CCP2, or modulator source input.
8 RC6/AN8/CPS8/CCP4/SS bidirectional General purpose I/O that also serves as A/D channel 8, capacitive sensing input 8, CCP4, or SPI Slave Select input.
9 RC7/AN9/CPS9/SDO bidirectional General purpose I/O that also serves as A/D channel 9, capacitive sensing input 9, or SPI data output.
10 RB7 bidirectional General purpose I/O that also serves as EUSART asynchronous transmit or synchronous clock.
11 RB6/SCL1/SCK1 bidirectional General purpose I/O that also serves as I2C clock (open drain) or SPI clock.
12 RB5 bidirectional General purpose I/O that also serves as A/D channel 11, capacitive sensing input 11, or EUSART RX/DT.
13 RB4/AN10/CPS10/SDA1/SDI1 bidirectional General purpose I/O that also serves as A/D channel 10, capacitive sensing input 10, I2C data (open drain) or SPI data input.
14 RC2 bidirectional General purpose I/O that also serves as A/D channel 6, capacitive sensing input 6, comparator C1/C2 negative input 2, PWM outputs P1D/P2B, or modulator carrier input 1.
15 RC1/AN5/CPS5/C12IN1-/P1C bidirectional General purpose I/O that also serves as A/D channel 5, capacitive sensing input 5, comparator C1/C2 negative input 1, or P1C PWM output.
16 RC0/AN4/CPS4/C2IN+/P1D bidirectional General purpose I/O that also serves as A/D channel 4, capacitive sensing input 4, comparator C2 positive input, or P1D PWM output.
17 RA2 bidirectional General purpose I/O that also serves as A/D channel 2, capacitive sensing input 2, Timer0 clock input, external interrupt, comparator C1 output, SR latch output, CCP3, or ECCP auto-shutdown fault input.
18 RA1/ICSPCLK bidirectional General purpose I/O that also serves as A/D channel 1, capacitive sensing input 1, comparator negative input 0, positive voltage reference input, SR latch input, ICSP programming clock or in-circuit debug clock.
19 RA0/ICSPDAT bidirectional General purpose I/O that also serves as A/D channel 0, capacitive sensing input 0, comparator C1 positive input, negative voltage reference input, DAC output, ICSP data I/O or in-circuit debug data.
20 VSS power_in Ground reference.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SSOP-20-208mil
Category Single Chip Microcomputer/Microcontroller
Pins 20

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply Voltage (FOSC ≤ 16 MHz) VDD 1.8 5.5 V PIC16F1828, FOSC ≤ 16 MHz 341
Supply Voltage (FOSC ≤ 32 MHz) VDD 2.5 5.5 V PIC16F1828, FOSC ≤ 32 MHz (PLL required) 341
RAM Data Retention Voltage VDR 1.7 V Device in Sleep mode 341
Power-on Reset Release Voltage VPOR 1.6 V 341
Power-on Reset Rearm Voltage VPORR 1.4 V Device in Sleep mode 341
FVR Voltage for ADC VADFVR -8 6 % 1.024V, VDD ≥ 2.5V; 2.048V, VDD ≥ 2.5V; 4.096V, VDD ≥ 4.75V 341
FVR Voltage for Comparator and DAC VCDAFVR -11 7 % 1.024V, VDD ≥ 2.5V; 2.048V, VDD ≥ 2.5V; 4.096V, VDD ≥ 4.75V 341
VDD Rise Rate SVDD 0.05 V/ms To ensure internal Power-on Reset signal 341
Supply Current, LP mode 32 kHz IDD 30 55 µA FOSC = 32 kHz, LP mode, VDD = 3.0V 343
Supply Current, HFINTOSC 16 MHz IDD 1.4 2 mA FOSC = 16 MHz, HFINTOSC mode, VDD = 5.0V 344
Supply Current, HFINTOSC 32 MHz IDD 3.2 3.6 mA FOSC = 32 MHz, HFINTOSC mode (Note 3), VDD = 5.0V 345
Power-down Base Current IPD 22 45 µA WDT, BOR, FVR, T1OSC disabled, VDD = 5.0V, max at +85°C 346
Power-down Base Current (125°C) IPD 22 65 µA VDD = 5.0V, max at +125°C 346
Input Low Voltage, TTL buffer VIL 0.8 V 4.5V ≤ VDD ≤ 5.5V 348
Input Low Voltage, Schmitt Trigger VIL 0.2 V 0.2 VDD, 2.0V ≤ VDD ≤ 5.5V 348
Input High Voltage, TTL buffer VIH 2 V 4.5V ≤ VDD ≤ 5.5V 348
Input High Voltage, Schmitt Trigger VIH 0.8 V 0.8 VDD, 2.0V ≤ VDD ≤ 5.5V 348
Input Leakage Current, I/O ports (85°C) IIL -5 5 nA VSS ≤ VPIN ≤ VDD, pin at high-impedance at 85°C 348
Input Leakage Current, I/O ports (125°C) IIL -1000 1000 nA VSS ≤ VPIN ≤ VDD, pin at high-impedance at 125°C 348
Weak Pull-up Current IPUR 25 100 200 µA VDD = 3.3V, VPIN = VSS 348
Weak Pull-up Current IPUR 25 140 300 µA VDD = 5.0V, VPIN = VSS 348
Output Low Voltage VOL 0.6 V IOL = 8 mA, VDD = 5V; 6 mA, 3.3V; 1.8 mA, 1.8V 348
Output High Voltage VOH 0.7 V VDD - 0.7; IOH = 3.5 mA, VDD = 5V; 3 mA, 3.3V; 1 mA, 1.8V 348
Capacitive Load, OSC2 pin COSC2 15 pF XT, HS and LP modes when external clock drives OSC1 348
Capacitive Load, all I/O pins CIO 50 pF 348
Voltage on MCLR/VPP/RA5 pin for high-voltage programming VIHH 8 9 V Note 3, 4 349
Flash Self-timed Write Cycle Time TIW 2 2.5 ms 349
External CLKIN Frequency, EC high FOSC 0 32 MHz EC Oscillator mode (high), DC to 32 352
Internal HFINTOSC Frequency Accuracy HFOSC -2 2 % 16.0 MHz, 0°C ≤ TA ≤ +60°C, VDD ≥ 2.5V 353
Internal HFINTOSC Frequency Accuracy HFOSC -5 5 % 16.0 MHz, -40°C ≤ TA ≤ +125°C 353
Internal LFINTOSC Frequency Tolerance LFOSC -25 25 % 31 kHz typ, -40°C ≤ TA ≤ +125°C 353
Watchdog Timer Time-out Period TWDTLP 12 16 20 ms VDD = 3.3V-5V 357
Brown-out Reset Voltage VBOR 2.55 2.7 2.85 V BORV = 0 357
Brown-out Reset Voltage VBOR 1.8 1.9 2.05 V BORV = 1 357
Brown-out Reset Hysteresis VHYST 20 35 75 mV -40°C to +85°C 357
Voltage on VDD with respect to VSS VDD -0.3 6.5 V PIC16F1824/8 338
Voltage on MCLR with respect to VSS -0.3 9 V 338
Storage temperature -65 150 °C 338
Ambient temperature under bias -40 125 °C 338
Max current out of VSS pin, industrial 210 mA -40°C ≤ TA ≤ +85°C 338
Max current into VDD pin, industrial 170 mA -40°C ≤ TA ≤ +85°C 338
Clamp current IK 20 mA VPIN < 0 or VPIN > VDD 338
Operating temperature, industrial TA -40 85 °C Industrial (-I) 341
Thermal Resistance Junction to Ambient θJA 87.3 °C/W 20-pin SSOP package 350
Thermal Resistance Junction to Case θJC 31.1 °C/W 20-pin SSOP package 350
Maximum Junction Temperature TJMAX 150 °C 350

CAD (KiCad official)

  • Symbol: PIC16F1828T-I
  • Footprint: Package_SO:SSOP-20_5.3x7.2mm_P0.65mm
  • 3D model: SSOP-20-208mil (KiCad packages3D, STEP)
  • 3D model files: pic16f1828t-i-etched.step / pic16f1828t-i-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pic16f1828t-i.step / pic16f1828t-i.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Microchip Tech datasheet (441 pp, sha256 10baf2855904f668, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF