ATtiny2313 AVR Microcontroller – DIP-20

The ATtiny2313 is a compact 8-bit AVR RISC microcontroller designed for simple embedded control applications where space, power, and cost are critical. It operates at clock speeds up to 20MHz and includes 2KB of Flash memory, 128B SRAM, and 128B EEPROM for program and data storage. The device offers 18 digital I/O pins, timer/counters, PWM generation, and built-in UART communication, making it suitable for automation, control logic, and communication-based embedded systems. Its small footprint and low power modes make it ideal for compact electronic projects.

Features

- 8-bit AVR RISC architecture

- Clock speed up to 20MHz

- 2KB Flash program memory

- 128B SRAM and 128B EEPROM

- 18 programmable digital I/O pins

- Built-in UART serial communication

- Timer/counters with PWM support

- Internal oscillator support

- External crystal support

- Low power sleep modes

- Watchdog timer for reliability

- Wide operating voltage range (2.7V to 5.5V)

- Compact 20-pin DIP package

- Easy breadboard integration

Specifications

Model: ATtiny2313-20PU

Microcontroller Core: 8-bit AVR RISC

Maximum Clock Frequency: 20MHz

Flash Memory: 2KB

SRAM: 128 Bytes

EEPROM: 128 Bytes

Digital I/O Pins: 18

PWM Channels: 4

Communication Interface: UART, SPI

Timers: 1 × 8-bit, 1 × 16-bit

Operating Voltage Range: 2.7V to 5.5V

Internal Oscillator: Yes

Watchdog Timer: Yes

Operating Temperature Range: -40°C to +85°C

Package Type: 20-pin DIP

Mounting Type: Through-Hole

Application Type: Compact Embedded Control

Links

- 3D Model

- Datasheet

Tutorials

- [SGeC] ATTINY2313A-PU 8-bit AVR Microcontroller with 2K Bytes In-System Programmable Flash