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PIC16LF1554T-I

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Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PIC16LF1554T-I

Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · TSSOP-14

PIC16LF1554T-I from Microchip Tech, in a TSSOP-14. 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; the device operating voltage range is 1.8V to 3.6V.
2 RA5 bidirectional General-purpose I/O with interrupt-on-change and weak pull-up, also AN20, T1CKI and CLKIN.
3 RA4 bidirectional General-purpose I/O with interrupt-on-change and weak pull-up, also AN10, ADTRIG, T1G, CLKOUT and software-assignable EUSART RX/DT and MSSP SDO.
4 RA3 input Input-only pin with interrupt-on-change and weak pull-up, also MCLR/VPP and software-assignable MSSP SS, SDA and SDI.
5 RC5 bidirectional General-purpose I/O with weak pull-up, also AN21, AD1GRDA/AD2GRDA guard ring outputs and software-assignable EUSART RX/DT.
6 RC4 bidirectional General-purpose I/O with weak pull-up, also AN11, AD1GRDA/AD2GRDA guard ring outputs and software-assignable EUSART TX/CK.
7 RC3 bidirectional General-purpose I/O with weak pull-up, also AN22, AD1GRDB/AD2GRDB guard ring outputs, PWM2 and software-assignable EUSART TX/CK and MSSP SS.
8 RC2 bidirectional General-purpose I/O with weak pull-up, also AN12, AD1GRDB/AD2GRDB guard ring outputs, PWM1 and software-assignable MSSP SDO.
9 RC1 bidirectional General-purpose I/O with weak pull-up, also AN23 and software-assignable MSSP SDA/SDI.
10 RC0 bidirectional General-purpose I/O with weak pull-up, also AN13 and MSSP SCL/SCK.
11 RA2 bidirectional General-purpose I/O with weak pull-up and external interrupt/interrupt-on-change, also AN2 and T0CKI.
12 RA1 bidirectional General-purpose I/O with interrupt-on-change and weak pull-up, also AN1, VREF, and ICSPCLK/ICDCLK for programming and debug.
13 RA0 bidirectional General-purpose I/O with interrupt-on-change and weak pull-up, also AN0, and ICSPDAT/ICDDAT for programming and debug.
14 VSS power_in Ground reference.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TSSOP-14
Category Single Chip Microcomputer/Microcontroller
Pins 14

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Operating Voltage Range VDD 1.8 3.6 V 1
Clock input frequency 0 32 MHz DC, 32 MHz clock input 1
Instruction cycle time 125 ns DC, 125 ns instruction cycle 1
Internal oscillator factory calibration accuracy 1 % Precision 16 MHz internal oscillator, factory calibrated to ±1%, typical 1
Standby current 30 nA @ 1.8V, typical 1
Operating current 75 µA @ 1 MHz, 1.8V, typical 1
Low-power watchdog timer current 500 nA @ 1.8V, typical 1

CAD (KiCad official)

  • Symbol: PIC16LF1554T-I
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: pic16lf1554t-i-etched.step / pic16lf1554t-i-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pic16lf1554t-i.step / pic16lf1554t-i.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (8 pp, sha256 64e9b7b1b84015a2, retrieved 2026-10-26, tier: manufacturer)
  • 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