Microchip Technology ATTINY2313A-MUR

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATtiny
Packaging Cut Tape (CT) | Tape & Reel (TR)
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity I2C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 18
Program Memory Size 2KB (1K x 16)
Program Memory Type FLASH
EEPROM Size 128 x 8
RAM Size 128 x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters -
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 20-QFN-EP (4x4)
Package / Case 20-WFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATTINY2313A-MUR is an 8-bit AVR MCU from Microchip with a 20MHz core, 2KB flash, and 128B RAM. It operates from 1.8V to 5.5V and includes brown-out reset, POR, PWM, and WDT. The 20-WFQFN package is ideal for compact embedded control.

  • PWM capability: Enables smooth motor and lighting control without external DAC.
  • Wide voltage range: Flexible for 3.3V or 5V logic systems.
  • Small 20-QFN package: Reduces PCB area for miniaturized products.
  • Reliable reset circuitry: Ensures stable operation in noisy environments.

Motor Speed Controller

Use PWM output and 20MHz AVR core to regulate small DC motor speed in toys or fans.

Protocol Converter

With 2KB flash, implement UART-to-SPI bridging for legacy sensor interfaces.

Lighting Dimmer

Generate phase-controlled PWM for LED dimming in architectural lighting systems.

Security Keypad

Scan matrix keypads and drive indicator LEDs with low-power sleep modes for battery operation.

Data Logger

Record temperature or humidity readings to external EEPROM with WDT for long-term field reliability.

Robotics Controller

Control servo motors and read encoders in hobby robots with 128B RAM for state management.

Q: What is the program memory size?
A: 2KB.
Q: What is the maximum speed?
A: 20MHz.
Q: Does it support PWM?
A: Yes, PWM is included.
Q: What is the package type?
A: 20-WFQFN.
Base Product Number : ATTINY2313A
128B RAM 20-WFQFN 20MHz 2KB flash 8-bit MCU ATTINY2313A AVR brown-out reset lighting motor control PWM
Q: What is the program memory size?
A: 2KB.
Q: What is the maximum speed?
A: 20MHz.
Q: Does it support PWM?
A: Yes, PWM is included.
Q: What is the package type?
A: 20-WFQFN.