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PIC16LF1827-I

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Microchip Tech Microcontrollers (MCU/MPU/SOC), SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PIC16LF1827-I

Microchip Tech · Microcontrollers (MCU/MPU/SOC) · SSOP-20-208mil

PIC16LF1827-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 RA2 bidirectional General purpose I/O (TTL input, CMOS output) that can also serve as ADC channel AN2, capacitive sensing input CPS2, comparator C1/C2 inputs C12IN2- and C12IN+, ADC negative reference VREF-, or DAC voltage output DACOUT.
2 RA3 bidirectional General purpose I/O (TTL input, CMOS output) that can also serve as ADC channel AN3, ADC positive reference VREF+, capacitive sensing input CPS3, comparator C1 positive input C1IN+, comparator C1 output C1OUT, SR latch output SRQ, and CCP3 (PIC16(L)F1827 only).
3 RA4 bidirectional General purpose I/O (TTL input, CMOS output) that can also serve as ADC channel AN4, capacitive sensing input CPS4, Timer0 clock input T0CKI, comparator C2 output C2OUT, SR latch inverting output SRNQ, and CCP4 (PIC16(L)F1827 only).
4 RA5 input Input-only pin (its TRISA bit always reads 1) that functions as MCLR, master clear with internal pull-up, or as high-voltage programming input VPP, or as SS1 slave select input; the weak pull-up is always enabled when MCLR is enabled.
5 VSS power_in Ground reference for the device.
6 VSS power_in Ground reference for the device (second VSS pin on the 20-pin SSOP).
7 RB0 bidirectional General purpose I/O with individually controlled interrupt-on-change and individually enabled weak pull-up, that can also serve as INT external interrupt, Timer1 gate input T1G, CCP1/P1A, SR latch input SRI, or ECCP auto-shutdown fault input FLT0.
8 RB1 bidirectional General purpose I/O with individually controlled interrupt-on-change and individually enabled weak pull-up, that can also serve as ADC channel AN11, capacitive sensing input CPS11, USART RX/DT, I2C data SDA1, or SPI data input SDI1.
9 RB2 bidirectional General purpose I/O with individually controlled interrupt-on-change and individually enabled weak pull-up, that can also serve as ADC channel AN10, capacitive sensing input CPS10, modulator source input MDMIN, USART TX/CK/RX/DT, SPI data output SDO1, and SDA2/SDI2 (PIC16(L)F1827 only).
10 RB3 bidirectional General purpose I/O with individually controlled interrupt-on-change and individually enabled weak pull-up, that can also serve as ADC channel AN9, capacitive sensing input CPS9, modulator output MDOUT, CCP1, or PWM output P1A.
11 RB4 bidirectional General purpose I/O with individually controlled interrupt-on-change and individually enabled weak pull-up, that can also serve as ADC channel AN8, capacitive sensing input CPS8, I2C clock SCL1, SPI clock SCK1, or modulator carrier input MDCIN2.
12 RB5 bidirectional General purpose I/O with individually controlled interrupt-on-change and individually enabled weak pull-up, that can also serve as ADC channel AN7, capacitive sensing input CPS7, PWM output P1B, USART TX/CK, slave select input SS1, and SCL2/SCK2 (PIC16(L)F1827 only).
13 RB6 bidirectional General purpose I/O with individually controlled interrupt-on-change and individually enabled weak pull-up, that can also serve as ADC channel AN5, capacitive sensing input CPS5, Timer1 clock input T1CKI, Timer1 oscillator input T1OSI, PWM output P1C, CCP2/P2A (PIC16(L)F1827 only), or ICSP serial programming clock ICSPCLK.
14 RB7 bidirectional General purpose I/O with individually controlled interrupt-on-change and individually enabled weak pull-up, that can also serve as ADC channel AN6, capacitive sensing input CPS6, Timer1 oscillator output T1OSO, PWM output P1D, P2B (PIC16(L)F1827 only), modulator carrier input MDCIN1, or ICSP data I/O ICSPDAT.
15 VDD power_in Positive supply for the device.
16 VDD power_in Positive supply for the device (second VDD pin on the 20-pin SSOP).
17 RA6 bidirectional General purpose I/O (TTL input, CMOS output) that can also serve as OSC2 crystal/resonator connection (LP, XT, HS modes), CLKOUT (FOSC/4 output), CLKR clock reference output, PWM outputs P1D and P2B (PIC16(L)F1827 only), or SPI data output SDO1.
18 RA7 bidirectional General purpose I/O (TTL input, CMOS output) that can also serve as OSC1 crystal/resonator connection (LP, XT, HS modes), CLKIN external clock input (EC mode), PWM output P1C, or CCP2/P2A (PIC16(L)F1827 only).
19 RA0 bidirectional General purpose I/O (TTL input, CMOS output) that can also serve as ADC channel AN0, capacitive sensing input CPS0, comparator C1/C2 negative input C12IN0-, or SPI data output SDO2 (PIC16(L)F1827 only).
20 RA1 bidirectional General purpose I/O (TTL input, CMOS output) that can also serve as ADC channel AN1, capacitive sensing input CPS1, comparator C1/C2 negative input C12IN1-, or SPI slave select input SS2 (PIC16(L)F1827 only).

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SSOP-20-208mil
Category Embedded Processors & Controllers
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
Ambient temperature under bias -40 125 °C 339
Storage temperature -65 150 °C 339
Voltage on VDD with respect to VSS, PIC16LF1826/27 -0.3 4 V 339
Voltage on MCLR with respect to VSS -0.3 9 V 339
Voltage on all other pins with respect to VSS -0.3 V max printed as (VDD + 0.3V) 339
Maximum current out of VSS pin, industrial 396 mA -40°C ≤ TA ≤ +85°C 339
Maximum current into VDD pin, industrial 292 mA -40°C ≤ TA ≤ +85°C 339
Clamp current IK 20 mA VPIN < 0 or VPIN > VDD 339
Maximum output current sunk by any I/O pin 25 mA 339
Maximum output current sourced by any I/O pin 25 mA 339
Operating temperature, industrial TA -40 85 °C Industrial (-I) 342
VDD supply voltage, PIC16LF1826/27 VDD 1.8 3.6 V FOSC ≤ 16 MHz 342
VDD supply voltage, PIC16LF1826/27 VDD 2.5 3.6 V FOSC ≤ 32 MHz (PLL required) 342
RAM data retention voltage, PIC16LF1826/27 VDR 1.5 V Device in Sleep mode 342
VDD rise rate to ensure internal Power-on Reset signal SVDD 0.05 V/ms See Section 7.1 Power-on Reset (POR) 342
Fixed Voltage Reference voltage for ADC VADFVR -8 6 % 1.024V, VDD ≥ 2.5V 342
Fixed Voltage Reference voltage for Comparator and DAC VCDAFVR -11 7 % 1.024V, VDD ≥ 2.5V 342
Supply current, LP oscillator mode IDD 7 13 µA FOSC = 32 kHz, -40°C to +85°C, VDD 1.8V 344
Supply current, LP oscillator mode IDD 9 16 µA FOSC = 32 kHz, -40°C to +85°C, VDD 3.0V 344
Supply current, XT oscillator mode IDD 110 200 µA FOSC = 1 MHz, VDD 1.8V 344
Supply current, XT oscillator mode IDD 200 400 µA FOSC = 1 MHz, VDD 3.0V 344
Supply current, XT oscillator mode IDD 290 475 µA FOSC = 4 MHz, VDD 1.8V 344
Supply current, XT oscillator mode IDD 600 900 µA FOSC = 4 MHz, VDD 3.0V 344
Supply current, EC oscillator low-power mode IDD 40 80 µA FOSC = 500 kHz, VDD 1.8V 344
Supply current, EC oscillator low-power mode IDD 70 120 µA FOSC = 500 kHz, VDD 3.0V 344
Supply current, EC oscillator medium-power mode IDD 260 475 µA FOSC = 4 MHz, VDD 1.8V 345
Supply current, EC oscillator medium-power mode IDD 550 800 µA FOSC = 4 MHz, VDD 3.0V 345
Supply current, LFINTOSC mode IDD 3.6 10 µA FOSC = 31 kHz, VDD 1.8V 345
Supply current, LFINTOSC mode IDD 7 15 µA FOSC = 31 kHz, VDD 3.0V 345
Supply current, MFINTOSC mode IDD 110 210 µA FOSC = 500 kHz, VDD 1.8V 345
Supply current, MFINTOSC mode IDD 150 250 µA FOSC = 500 kHz, VDD 3.0V 345
Supply current, HFINTOSC mode IDD 0.8 1.5 mA FOSC = 8 MHz, VDD 1.8V 345
Supply current, HFINTOSC mode IDD 1.3 2.4 mA FOSC = 8 MHz, VDD 3.0V 345
Supply current, HFINTOSC mode IDD 1.2 2.5 mA FOSC = 16 MHz, VDD 1.8V 345
Supply current, HFINTOSC mode IDD 2.5 3.75 mA FOSC = 16 MHz, VDD 3.0V 345
Power-down base current, WDT, BOR, FVR, T1OSC disabled, all peripherals inactive IPD 0.02 1 µA Max at +85°C, VDD 1.8V 347
Power-down base current, WDT, BOR, FVR, T1OSC disabled, all peripherals inactive IPD 0.03 1.1 µA Max at +85°C, VDD 3.0V 347
BOR current IPD 8.1 14 µA Max at +85°C, VDD 3.0V (Note 1) 347
Weak pull-up current IPUR 25 100 200 µA VDD = 3.3V, VPIN = VSS 350
Output low voltage, I/O ports VOL 0.6 V IOL = 6mA, VDD = 3.3V 350
MCLR pulse width (low) TMCL 2 µs 359
Low-power watchdog timer time-out period (no prescaler) TWDTLP 10 16 27 ms VDD = 3.3V-5V, 1:16 prescaler used 359
Power-up timer period, PWRTE = 0 TPWRT 40 65 140 ms PWRTE = 0 359
I/O high-impedance from MCLR low or watchdog timer reset TIOZ 2 µs 359
Brown-out Reset voltage VBOR 2.38 2.5 2.73 V BORV = 2.5V 359
Brown-out Reset voltage VBOR 1.8 1.9 2.11 V BORV = 1.9V 359
Brown-out Reset hysteresis VHYST 0 25 50 mV -40°C to +85°C 359
ADC integral error EIL -1.7 1.7 LSb VREF = 3.0V 361
A/D clock period, TOSC-based TAD 1 9 µs TOSC-based 361
Comparator input offset voltage, high power mode Vioff -60 7.5 60 mV High Power Mode 363
PLL oscillator frequency range (FOSC) FOSC 4 8 MHz 355
Junction-to-ambient thermal resistance, 20-pin SSOP JA 89.3 C/W 20-pin SSOP package 352
Junction-to-case thermal resistance, 20-pin SSOP JC 31.1 C/W 20-pin SSOP package 352
Maximum junction temperature TJMAX 150 C 352

CAD (KiCad official)

  • Symbol: PIC16LF1827-I
  • Footprint: Package_SO:SSOP-20_5.3x7.2mm_P0.65mm
  • 3D model: SSOP-20-208mil (KiCad packages3D, STEP)
  • 3D model files: pic16lf1827-i-etched.step / pic16lf1827-i-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pic16lf1827-i.step / pic16lf1827-i.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (406 pp, sha256 0e7915da61b6eca2, retrieved 2026-10-19, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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