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ATTINY1604-SSN
Public Made by Adomby adom
Microchip Tech Microcontrollers (MCU/MPU/SOC), SOIC-14. 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
markdownATTINY1604-SSN
Microchip Tech · Microcontrollers (MCU/MPU/SOC) · SOIC-14
ATTINY1604-SSN from Microchip Tech, in a SOIC-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 power supply pin; the operating supply voltage is 1.8 V to 5.5 V. |
| 2 | PA4 | bidirectional | General-purpose I/O pin PA4 that can also serve as ADC0 input AIN4, SPI0 SS, USART0 XDIR (alternate position), TCA0 WO4 and CCL LUT0-OUT. |
| 3 | PA5 | bidirectional | General-purpose I/O pin PA5 that can also serve as ADC0 input AIN5, AC0 OUT, TCA0 WO5 and TCB0 WO. |
| 4 | PA6 | bidirectional | General-purpose I/O pin PA6 that can also serve as ADC0 input AIN6 and AC0 negative input AINN0. |
| 5 | PA7 | bidirectional | General-purpose I/O pin PA7 that can also serve as ADC0 input AIN7, AC0 positive input AINP0 and CCL LUT1-OUT. |
| 6 | PB3 | bidirectional | General-purpose I/O pin PB3 that can also serve as USART0 RXD and TCA0 WO0 (alternate position). |
| 7 | PB2 | bidirectional | General-purpose I/O pin PB2 that can also serve as event output EVOUT1, USART0 TXD and TCA0 WO2. |
| 8 | PB1 | bidirectional | General-purpose I/O pin PB1 that can also serve as ADC0 input AIN10, USART0 XCK, TWI0 SDA and TCA0 WO1. |
| 9 | PB0 | bidirectional | General-purpose I/O pin PB0 that can also serve as ADC0 input AIN11, USART0 XDIR, TWI0 SCL and TCA0 WO0. |
| 10 | PA0 (RESET/UPDI) | bidirectional | Pin PA0 is the RESET/UPDI pin, configured as GPIO, UPDI or RESET by the RSTPINCFG fuse, and also serves as ADC0 input AIN0 and CCL LUT0-IN0. |
| 11 | PA1 | bidirectional | General-purpose I/O pin PA1 that can also serve as ADC0 input AIN1, USART0 TXD (alternate position), SPI0 MOSI and CCL LUT0-IN1. |
| 12 | PA2 | bidirectional | General-purpose I/O pin PA2 that can also serve as event output EVOUT0, ADC0 input AIN2, USART0 RXD (alternate position) and SPI0 MISO. |
| 13 | PA3 (EXTCLK) | bidirectional | General-purpose I/O pin PA3 that can also serve as external clock input EXTCLK, ADC0 input AIN3, USART0 XCK (alternate position), SPI0 SCK and TCA0 WO3. |
| 14 | GND | power_in | Ground pin, the 0 V reference for the device. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | SOIC-14 |
| Category | Embedded Processors & Controllers |
| 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 |
|---|---|---|---|---|---|---|---|
| Supply voltage (ATtiny1604-SSN, 20 MHz variant) | 1.8 | 5.5 | V | Ordering table row for ATtiny1604-SSN: 20 MHz, SOIC, -40°C to +105°C | 493 | ||
| Max. CPU speed | 20 | MHz | ATtiny1604-SSN: 1.8V to 5.5V, SOIC, -40°C to +105°C | 493 | |||
| Temperature range | -40 | 105 | °C | ATtiny1604-SSN: SOIC package, 20 MHz, 1.8V to 5.5V | 493 |
CAD (KiCad official)
- Symbol:
ATTINY1604-SSN - Footprint:
Package_SO:SOIC-14_3.9x8.7mm_P1.27mm - 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files:
attiny1604-ssn-etched.step/attiny1604-ssn-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);attiny1604-ssn.step/attiny1604-ssn.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Microchip Tech datasheet (522 pp, sha256
f5c03e904027d54c, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).