component
ATTINY3226-SU
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownATTINY3226-SU
Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · SOIC-20-300mil
ATTINY3226-SU from Microchip Tech, in a SOIC-20-300mil. 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 pin for the device, which operates from 1.8V to 5.5V. |
| 2 | PA4 | bidirectional | Port A pin 4 with analog input AIN4 and alternate functions USART0 XDIR, SPI0 SS, TCA0 WO4 and LUT0-OUT. |
| 3 | PA5 | bidirectional | Port A pin 5 with VREFA external voltage reference input, analog input AIN5, OUT and TCA0 WO5 alternate functions. |
| 4 | PA6 | bidirectional | Port A pin 6 with analog input AIN6 and negative ADC input AINN0. |
| 5 | PA7 | bidirectional | Port A pin 7 with analog input AIN7, positive ADC input AINP0 and LUT1-OUT alternate function. |
| 6 | PB5 | bidirectional | Port B pin 5 with CLKOUT, analog input AIN8 and positive ADC input AINP1 functions. |
| 7 | PB4 | bidirectional | Port B pin 4 with alternate RESET function, analog input AIN9 and negative ADC input AINN1. |
| 8 | PB3 | bidirectional | Port B pin 3 used as TOSC1 crystal oscillator connection, with alternate WO0 and LUT2-OUT functions. |
| 9 | PB2 | bidirectional | Port B pin 2 used as TOSC2 crystal oscillator connection, with alternate EVOUTB, TxD and WO2 functions. |
| 10 | PB1 | bidirectional | Port B pin 1 with analog input AIN10, positive ADC input AINP2 and TWI0 SDA functions. |
| 11 | PB0 | bidirectional | Port B pin 0 with analog input AIN11, negative ADC input AINN2 and TWI0 SCL functions. |
| 12 | PC0 | bidirectional | Port C pin 0 with analog input AIN12 and alternate USART1 XCK, SPI0 SCK and waveform output functions. |
| 13 | PC1 | bidirectional | Port C pin 1 with analog input AIN13 and alternate USART1 RXD, SPI0 MISO and LUT1-OUT functions. |
| 14 | PC2 | bidirectional | Port C pin 2 with EVOUTC event output, analog input AIN14 and alternate USART1 TXD and SPI0 MOSI functions. |
| 15 | PC3 | bidirectional | Port C pin 3 with analog input AIN15 and alternate USART1 XDIR, SPI0 SS and TCA0 WO3 functions. |
| 16 | PA0 | bidirectional | Port A pin 0 which serves as the UPDI programming/debug pin or the RESET pin, selected by the RSTPINCFG fuse. |
| 17 | PA1 | bidirectional | Port A pin 1 with analog input AIN1 and alternate USART0 TXD, SPI0 MOSI and LUT0-IN1 functions. |
| 18 | PA2 | bidirectional | Port A pin 2 with analog input AIN2 and alternate EVOUTA, USART0 RXD, SPI0 MISO and LUT0-IN2 functions. |
| 19 | PA3 | bidirectional | Port A pin 3 which can serve as EXTCLK external clock input, with analog input AIN3 and alternate USART0 XCK and SPI0 SCK functions. |
| 20 | GND | power_in | Ground reference pin for the device. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | SOIC-20-300mil |
| 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 | 1.8 | 5.5 | V | Ordering table, ATTINY3226-SU (SOIC 20-pin, Tube) | 509 | ||
| Temperature Range | -40 | 85 | °C | Ordering table, ATTINY3226-SU (SOIC 20-pin, Tube) | 509 |
CAD (KiCad official)
- Symbol:
ATTINY3226-SU - Footprint:
Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm - 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
- 3D model files:
attiny3226-su-etched.step/attiny3226-su-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);attiny3226-su.step/attiny3226-su.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (542 pp, sha256
92456220de37d3c8, retrieved 2026-10-27, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).