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Contents

README

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PIC12F509T-E

Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · SOIC-8

PIC12F509T-E from Microchip Tech, in a SOIC-8. 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 for logic and I/O pins, specified from 2.0V to 5.5V.
2 GP5/OSC1/CLKIN bidirectional Bidirectional I/O pin that also serves as the OSC1 crystal input and the CLKIN external clock source input.
3 GP4/OSC2 bidirectional Bidirectional I/O pin that serves as the OSC2 crystal output in XT and LP modes and as GPIO in other oscillator modes.
4 GP3/MCLR/VPP input Input-only pin; when configured as MCLR it is an active-low device Reset and its voltage must not exceed VDD in normal operation, and VPP is the programming voltage input.
5 GP2/T0CKI bidirectional Bidirectional I/O pin that also serves as the clock input to TMR0 (T0CKI).
6 GP1/ICSPCLK bidirectional Bidirectional I/O pin that also serves as the In-Circuit Serial Programming clock pin, a Schmitt Trigger input in programming mode.
7 GP0/ICSPDAT bidirectional Bidirectional I/O pin with software-programmable weak pull-up and wake-up from Sleep on pin change, that also serves as the In-Circuit Serial Programming data pin.
8 VSS power_in Ground reference for logic and I/O pins.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SOIC-8
Category Single Chip Microcomputer/Microcontroller
Pins 8

CAD (KiCad official)

  • Symbol: PIC12F509T-E
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: pic12f509t-e-etched.step / pic12f509t-e-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pic12f509t-e.step / pic12f509t-e.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (110 pp, sha256 88ec874746087a49, retrieved 2026-10-27, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed (audit)), 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