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PIC18F26K22-I

Public Made by Adom

by adom

MICROCHIP Others, SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PIC18F26K22-I

MICROCHIP · Others · SSOP-28-208mil

PIC18F26K22-I from MICROCHIP, in a SSOP-28-208mil. 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 RE3/VPP/MCLR input Digital input RE3, active-low Master Clear (device Reset) input, and programming voltage (VPP) input.
2 RA0/C12IN0-/AN0 bidirectional Digital I/O with TTL input, comparators C1/C2 inverting input C12IN0- and analog input 0.
3 RA1/C12IN1-/AN1 bidirectional Digital I/O with TTL input, comparators C1/C2 inverting input C12IN1- and analog input 1.
4 RA2/C2IN+/AN2/DACOUT/VREF- bidirectional Digital I/O with TTL input, comparator C2 noninverting input, analog input 2, DAC reference output and A/D low reference voltage input.
5 RA3/C1IN+/AN3/VREF+ bidirectional Digital I/O with TTL input, comparator C1 noninverting input, analog input 3 and A/D high reference voltage input.
6 RA4/CCP5/C1OUT/SRQ/T0CKI bidirectional Digital I/O with Schmitt Trigger input, CCP5 capture/compare/PWM, comparator C1 output, SR latch Q output and Timer0 external clock input.
7 RA5/C2OUT/SRNQ/SS1/HLVDIN/AN4 bidirectional Digital I/O with TTL input, comparator C2 output, SR latch output, MSSP1 SPI client select input, High/Low-Voltage Detect input and analog input 4.
8 VSS power_in Ground reference for logic and I/O pins.
9 RA7/CLKI/OSC1 bidirectional Digital I/O, external clock source input, or oscillator crystal input (ST buffer in RC mode, CMOS otherwise).
10 RA6/CLKO/OSC2 bidirectional Digital I/O, oscillator crystal output, or in RC mode CLKOUT at 1/4 the OSC1 frequency denoting the instruction cycle rate.
11 RC0/P2B/T3CKI/T3G/T1CKI/SOSCO bidirectional Digital I/O with Schmitt Trigger input, alternate P2B PWM output, Timer3/Timer1 clock inputs, Timer3 gate input and secondary oscillator output.
12 RC1/P2A/CCP2/SOSCI bidirectional Digital I/O with Schmitt Trigger input, Enhanced CCP2 PWM output, CCP2 capture/compare/PWM and secondary oscillator input.
13 RC2/CTPLS/P1A/CCP1/T5CKI/AN14 bidirectional Digital I/O with Schmitt Trigger input, CTMU pulse generator output, Enhanced CCP1 PWM output, CCP1, Timer5 clock input and analog input 14.
14 RC3/SCK1/SCL1/AN15 bidirectional Digital I/O with Schmitt Trigger input, MSSP1 SPI/I2C serial clock and analog input 15.
15 RC4/SDI1/SDA1/AN16 bidirectional Digital I/O with Schmitt Trigger input, MSSP1 SPI data in / I2C data I/O and analog input 16.
16 RC5/SDO1/AN17 bidirectional Digital I/O with Schmitt Trigger input, MSSP1 SPI data out and analog input 17.
17 RC6/P3A/CCP3/TX1/CK1/AN18 bidirectional Digital I/O with Schmitt Trigger input, alternate P3A/CCP3, EUSART1 asynchronous transmit or synchronous clock and analog input 18.
18 RC7/P3B/RX1/DT1/AN19 bidirectional Digital I/O with Schmitt Trigger input, Enhanced CCP3 PWM output P3B, EUSART1 receive/synchronous data and analog input 19.
19 VSS power_in Ground reference for logic and I/O pins.
20 VDD power_in Positive supply for logic and I/O pins.
21 RB0/INT0/CCP4/FLT0/SRI/SS2/AN12 bidirectional Digital I/O with TTL input, external interrupt 0, CCP4, ECCP auto-shutdown fault input, SR latch input, MSSP2 SPI client select and analog input 12.
22 RB1/INT1/P1C/SCK2/SCL2/C12IN3-/AN10 bidirectional Digital I/O with TTL input, external interrupt 1, ECCP1 PWM output P1C, MSSP2 SPI/I2C clock, comparator inverting input C12IN3- and analog input 10.
23 RB2/INT2/CTED1/P1B/SDI2/SDA2/AN8 bidirectional Digital I/O with TTL input, external interrupt 2, CTMU edge 1 input, ECCP1 PWM output P1B, MSSP2 SPI data in / I2C data and analog input 8.
24 RB3/CTED2/P2A/CCP2/SDO2/C12IN2-/AN9 bidirectional Digital I/O with TTL input, CTMU edge 2 input, ECCP2 PWM output P2A, CCP2, MSSP2 SPI data out, comparator inverting input C12IN2- and analog input 9.
25 RB4/IOC0/P1D/T5G/AN11 bidirectional Digital I/O with TTL input, interrupt-on-change, ECCP1 PWM output P1D, Timer5 gate input and analog input 11.
26 RB5/IOC1/P2B/P3A/CCP3/T3CKI/T1G/AN13 bidirectional Digital I/O with TTL input, interrupt-on-change, P2B/P3A PWM outputs, CCP3, Timer3 clock, Timer1 gate input and analog input 13.
27 RB6/IOC2/TX2/CK2/PGC bidirectional Digital I/O with TTL input, interrupt-on-change, EUSART2 transmit/clock, and In-Circuit Debugger/ICSP programming clock.
28 RB7/IOC3/RX2/DT2/PGD bidirectional Digital I/O with TTL input, interrupt-on-change, EUSART2 receive/data, and In-Circuit Debugger/ICSP programming data.

Key specifications

Parameter Value
Manufacturer MICROCHIP
Package SSOP-28-208mil
Category Others
Pins 28

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 (PIC18F2X/4XK22) VDD 2.3 5.5 V PIC18F2X/4XK22 417
RAM Data Retention Voltage VDR 1.5 V 417
VDD Start Voltage to ensure internal Power-on Reset VPOR 0.7 V See section on Power-on Reset for details 417
VDD Rise Rate to ensure internal Power-on Reset SVDD 0.05 V/ms See section on Power-on Reset for details 417
Brown-out Reset Voltage BORV<1:0> = 11 VBOR 1.75 1.9 2.05 V BORV<1:0> = 11 417
Brown-out Reset Voltage BORV<1:0> = 10 VBOR 2.05 2.2 2.35 V BORV<1:0> = 10 417
Brown-out Reset Voltage BORV<1:0> = 01 VBOR 2.35 2.5 2.65 V BORV<1:0> = 01 417
Brown-out Reset Voltage BORV<1:0> = 00 VBOR 2.65 2.85 3.05 V BORV<1:0> = 00 417
Operating temperature TA -40 125 °C Standard Operating Conditions 417
Sleep mode power-down current IPD 13 50 µA VDD = 5.0V; typ +25°C, max +125°C; WDT, BOR, FVR and SOSC disabled 418
Watchdog Timer delta IPD ΔIPD 0.5 5 µA VDD = 5.0V; typ +25°C, max +125°C 418
Brown-out Reset delta IPD ΔIPD 5.2 16 µA VDD = 5.0V; typ +25°C, max +125°C 418
Supply current RC_RUN LFINTOSC 31 kHz IDD 21 55 µA VDD = 5.0V, +25°C, FOSC = 31 kHz 420
Supply current RC_RUN HFINTOSC 16 MHz IDD 2.5 3.5 mA VDD = 5.0V, -40°C to +125°C, FOSC = 16 MHz 421
Supply current RC_RUN HFINTOSC + PLL 64 MHz IDD 6.8 9.5 mA VDD = 5.0V, -40°C to +125°C, FOSC = 64 MHz 421
Voltage on VDD with respect to VSS VDD -0.3 6.5 V PIC18(L)F26K22 414
Voltage on any pin with respect to VSS (except VDD and MCLR) -0.3 V max is VDD + 0.3V 414
Voltage on MCLR with respect to VSS 0 11 V Note 2 414
Ambient temperature under bias -40 125 °C 414
Storage temperature -65 150 °C 414
Total power dissipation 1 W Note 1 414
Maximum current out of VSS pin 300 mA -40°C to +85°C 414
Maximum current out of VSS pin 125 mA +85°C to +125°C 414
Maximum current into VDD pin 200 mA -40°C to +85°C 414
Maximum current into VDD pin 85 mA +85°C to +125°C 414
Input clamp current IIK 20 mA VI < 0 or VI > VDD 414
Output clamp current IOK 20 mA VO < 0 or VO > VDD 414
Maximum current sunk by all ports 200 mA -40°C to +85°C 414

CAD (KiCad official)

  • Symbol: PIC18F26K22-I
  • Footprint: Package_SO:SSOP-28_5.3x10.2mm_P0.65mm
  • 3D model: SSOP-28-208mil (KiCad packages3D, STEP)
  • 3D model files: pic18f26k22-i-etched.step / pic18f26k22-i-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pic18f26k22-i.step / pic18f26k22-i.glb are the bare package body.

Provenance

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

  • Datasheet: MICROCHIP datasheet (539 pp, sha256 d0ba745eb6a13bdb, retrieved 2026-10-27, 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