ATTINY2313A-PU

ATTINY2313A‑PU 8‑bit AVR RISC MCU IC 20MHz 2KB FLASH 20-PDIP

The ATTINY2313A‑PU is a low‑power high‑performance 8‑bit AVR RISC microcontroller manufactured by Microchip Technology, housed in a 20‑pin PDIP through‑hole package optimized for breadboard prototyping, socketed assembly and legacy hardware retrofitting. This compact MCU features 2 KB in‑system programmable Flash memory, 128‑byte EEPROM for non‑volatile data storage and 128‑byte SRAM for runtime variables, delivering up to 20 MIPS processing throughput at maximum 20 MHz clock speed while supporting a wide 1.8 V‑5.5 V operating supply voltage range. It integrates 18 general‑purpose digital I/O pins, full‑duplex hardware USART, universal serial interface (USI), dual timer‑counters with PWM generation, analog comparator, watchdog timer, brown‑out detection and power‑on reset circuits, alongside debugWIRE single‑wire on‑chip debugging capability for firmware development and fault diagnosis. Three configurable low‑power sleep modes help reduce power draw for battery‑driven equipment, and the device operates reliably across industrial temperature range from ‑40°C to +85°C for diverse embedded project environments.

Engineers use this AVR chip for basic motor control, LED lighting effect drivers, simple sensor data acquisition, serial protocol conversion interfaces, relay switching controllers, portable low‑power gadgets and custom hobby embedded projects, leveraging its abundant digital I/O and built‑in serial peripherals to minimize external component count. It serves as a mainstream teaching component for AVR microcontroller programming training, supporting breadboard‑based firmware verification before migrating to surface‑mount mass‑production versions, and it also fits small embedded control tasks such as button matrix scanning, simple timing logic and auxiliary board‑level glue control functions for larger system hardware architectures.

Alternative MCU Numbers

● ATTINY2313A‑SU: Microchip identical‑spec 8‑bit AVR MCU in SOIC‑20 surface‑mount package, matching core peripherals and memory resources for volume SMT production as direct performance‑equivalent variant.

● ATMEGA48A‑PU: Microchip 8‑bit AVR PDIP‑28 microcontroller with expanded memory, built‑in ADC module and richer peripheral sets for projects needing analog input capability and extra I/O resources.

● PIC16F628A‑I/P: Microchip 8‑bit PIC‑architecture PDIP‑18 microcontroller with internal oscillator, PWM and comparator peripherals, cost‑effective cross‑architecture replacement for simple digital embedded control tasks.