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ATTINY26L-8SUR

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Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ATTINY26L-8SUR

Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · SOIC-20-300mil

ATTINY26L-8SUR 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 PB0 bidirectional Port B bit 0 I/O pin with optional internal pull-up, alternate functions MOSI/DI/SDA/OC1A.
2 PB1 bidirectional Port B bit 1 I/O pin with optional internal pull-up, alternate functions MISO/DO/OC1A.
3 PB2 bidirectional Port B bit 2 I/O pin with optional internal pull-up, alternate functions SCK/SCL/OC1B.
4 PB3 bidirectional Port B bit 3 I/O pin with optional internal pull-up, alternate function OC1B.
5 VCC power_in Digital supply voltage pin, 2.7V-5.5V for ATtiny26L.
6 GND power_in Digital ground pin.
7 PB4 bidirectional Port B bit 4 I/O pin with optional internal pull-up, alternate functions ADC7 and XTAL1 (input to inverting oscillator amplifier and internal clock circuit).
8 PB5 bidirectional Port B bit 5 I/O pin with optional internal pull-up, alternate functions ADC8 and XTAL2 (output from inverting oscillator amplifier).
9 PB6 bidirectional Port B bit 6 I/O pin with optional internal pull-up, alternate functions ADC9/INT0/T0.
10 PB7 bidirectional Port B bit 7, ADC10 or active-low RESET (pulses longer than 50 ns generate a reset); usable as I/O only when the RSTDISBL fuse is programmed.
11 PA7 bidirectional Port A bit 7 I/O pin with optional internal pull-up, alternate functions ADC6/AIN1.
12 PA6 bidirectional Port A bit 6 I/O pin with optional internal pull-up, alternate functions ADC5/AIN0.
13 PA5 bidirectional Port A bit 5 I/O pin with optional internal pull-up, alternate function ADC4.
14 PA4 bidirectional Port A bit 4 I/O pin with optional internal pull-up, alternate function ADC3.
15 AVCC power_in Supply voltage for Port A and the ADC; must be connected externally to VCC even if the ADC is unused, through a low-pass filter if the ADC is used.
16 GND power_in Ground pin (second GND pin on the package).
17 PA3 bidirectional Port A bit 3 I/O pin with optional internal pull-up, alternate function AREF.
18 PA2 bidirectional Port A bit 2 I/O pin with optional internal pull-up, alternate function ADC2.
19 PA1 bidirectional Port A bit 1 I/O pin with optional internal pull-up, alternate function ADC1.
20 PA0 bidirectional Port A bit 0 I/O pin with optional internal pull-up, alternate function ADC0.

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
Operating voltage (ATtiny26L) VCC 2.7 5.5 V ATtiny26L, 8 MHz speed grade 1
Clock frequency (ATtiny26L) 0 8 MHz ATtiny26L speed grade 1
Operating temperature (Industrial) -40 85 °C Industrial operational range 10
Active current 0.7 mA Active 1 MHz, 3V and 25°C 1
Idle mode current 0.18 mA Idle Mode 1 MHz, 3V and 25°C 1
Power-down mode current 1 µA Power-down Mode: < 1 µA 1
Flash endurance 10000 cycles Write/Erase Cycles 1
EEPROM endurance 100000 cycles Write/Erase Cycles 1
External reset pulse width 50 ns Reset pulses longer than 50 ns will generate a reset, even if the clock is not running 5

CAD (KiCad official)

  • Symbol: ATTINY26L-8SUR
  • Footprint: Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm
  • 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
  • 3D model files: attiny26l-8sur-etched.step / attiny26l-8sur-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); attiny26l-8sur.step / attiny26l-8sur.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (18 pp, sha256 823c889d5018e747, retrieved 2026-10-27, tier: lcsc)
  • 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