Microchip Technology ATMEGA324A-MUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.48 | $4.48 |
| 15+ | $4.34 | $65.10 |
| 25+ | $4.25 | $106.25 |
| 50+ | $4.01 | $200.50 |
| 100+ | $3.54 | $354.00 |
| N+ | $0.71 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Cut Tape (CT) | NULL |
| 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 | 32 |
| Program Memory Size | 32KB (16K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 1K x 8 |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 44-VQFN (7x7) |
| Package / Case | 44-VFQFN Exposed Pad |
| ROHS |
The ATMEGA324A-MUR is an 8-bit AVR microcontroller from Microchip. It operates at up to 20MHz with 32KB flash and 2KB SRAM. Supporting 1.8V to 5.5V, it includes PWM, brown-out detection, and watchdog timer. The 44-VFQFN package with exposed pad is suitable for compact, thermally efficient designs.
- Wide voltage range (1.8-5.5V) – simplifies power supply design.
- High-speed AVR core (20MHz) – fast execution for 8-bit applications.
- Integrated brown-out detection – prevents data corruption during power dips.
- Exposed pad package – improves heat dissipation for reliable operation.
8-bit Embedded Control
AVR core at 20MHz provides deterministic performance for simple control loops.
Battery-Powered Devices
1.8V operation and low-power modes extend battery life in remote sensors.
Automotive Aftermarket
Wide voltage range (up to 5.5V) tolerates vehicle voltage fluctuations.
Home Appliances
Robust WDT and brown-out reset ensure reliable operation in noisy environments.
Educational Kits
Simple architecture and 32KB flash make it ideal for learning embedded systems.
Industrial Monitoring
Exposed pad package aids thermal dissipation in continuous operation.
- Q: What is the maximum clock speed?
- A: 20MHz.
- Q: What is the supply voltage range?
- A: 1.8V to 5.5V, making it flexible for various power supplies.
- Q: What is the package type?
- A: 44-pin VFQFN with exposed pad.
- Q: Does it have PWM?
- A: Yes, it includes PWM, POR, WDT, and brown-out detection.
- Q: What is the maximum clock speed?
- A: 20MHz.
- Q: What is the supply voltage range?
- A: 1.8V to 5.5V, making it flexible for various power supplies.
- Q: What is the package type?
- A: 44-pin VFQFN with exposed pad.
- Q: Does it have PWM?
- A: Yes, it includes PWM, POR, WDT, and brown-out detection.

ATMEGA324A-MUR.pdf