Microchip Technology ATTINY2313A-MU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.85 | $0.85 |
| 15+ | $0.82 | $12.30 |
| 25+ | $0.80 | $20.00 |
| 50+ | $0.76 | $38.00 |
| 100+ | $0.67 | $67.00 |
| N+ | $0.13 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATtiny |
| Packaging | Tray | |
| 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 |
The ATTINY2313A-MU is a low-power 8-bit AVR microcontroller from Microchip in a 20-WFQFN package. It operates from 1.8V to 5.5V and runs at up to 20MHz, providing a balanced mix of performance and energy efficiency. With 2KB Flash and 128B RAM, it includes timers, PWM, USI (SPI/I2C), and a comparator. Its wide voltage range and small footprint make it a versatile choice for portable and embedded control tasks.
- Ultra-low voltage operation (1.8V): Extends battery life in single-cell applications.
- Compact 20-QFN package: Saves PCB area for miniaturized products.
- Rich peripheral set: Timers, PWM, USI, and comparator reduce external ICs.
- High-speed 20MHz: Handles time-critical tasks like signal decoding.
- Robust temperature range: Works in industrial and automotive environments.
Battery-Powered Remote Controls
With 1.8V operation and low sleep current, the ATTINY2313A-MU is ideal for IR/RF remote transmitters that spend most time in standby.
Small Appliance Control
Its 20MHz speed and PWM can drive heating elements or small motors in coffee makers or fans, with simple firmware logic.
LED Matrix Displays
Using its 18 I/O pins, it can multiplex up to 64 LEDs for scrolling text or status indicators in signage.
Sensor Readout and Logging
With internal ADC (if available) or external via SPI, it can sample temperature/humidity and store data in EEPROM.
Automotive Aftermarket (Non-Safety)
Its -40°C to 85°C range suits interior ambient lighting or window switch controllers in vehicles.
Educational Prototyping
Its simple AVR architecture and DIP/QFN options make it a learning platform for embedded programming.
- Q: What is the supply voltage range?
- A: 1.8V to 5.5V, allowing operation from a single Li-ion cell or 3.3V rail.
- Q: What is the maximum clock speed?
- A: 20MHz at 5V, with lower speeds at reduced voltage.
- Q: How much program memory is available?
- A: 2KB Flash (1K x 16 words) for small applications.
- Q: What package is this?
- A: 20-WFQFN exposed pad, compact for space-constrained designs.
- Q: Does it have PWM and timers?
- A: Yes, two 8-bit timers and one 16-bit timer with PWM outputs.
- Q: What is the supply voltage range?
- A: 1.8V to 5.5V, allowing operation from a single Li-ion cell or 3.3V rail.
- Q: What is the maximum clock speed?
- A: 20MHz at 5V, with lower speeds at reduced voltage.
- Q: How much program memory is available?
- A: 2KB Flash (1K x 16 words) for small applications.
- Q: What package is this?
- A: 20-WFQFN exposed pad, compact for space-constrained designs.
- Q: Does it have PWM and timers?
- A: Yes, two 8-bit timers and one 16-bit timer with PWM outputs.

ATTINY2313A-MU.pdf