Microchip Technology ATMEGA325A-MN
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $17.72 | $17.72 |
| 15+ | $4.08 | $61.20 |
| 25+ | $3.99 | $99.75 |
| 50+ | $3.77 | $188.50 |
| 100+ | $3.32 | $332.00 |
| N+ | $0.66 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Tray | NULL |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | SPI, UART/USART, USI |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 54 |
| 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 ~ 105°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 64-QFN (9x9) |
| Package / Case | 64-VFQFN Exposed Pad |
| ROHS |
The Microchip ATMEGA325A-MN is an 8-bit AVR microcontroller featuring 32KB of flash and 2KB of SRAM. It operates at up to 20MHz with a supply voltage range of 1.8V to 5.5V, offering design flexibility for low-power and standard applications. The device includes Brown-out Detect/Reset, POR, PWM, and WDT for enhanced reliability. Housed in a compact 64-VFQFN package with exposed pad, it is ideal for space-constrained industrial and consumer products requiring robust performance.
- Compact VFQFN package: Saves PCB space and improves thermal dissipation.
- Wide voltage range (1.8V-5.5V): Simplifies power supply design.
- High temperature rating (105°C): Reliable in harsh environments.
- 20MHz AVR core: Efficient execution of complex control algorithms.
Compact Sensor Modules
The VFQFN package with exposed pad provides better thermal performance for space-constrained sensor designs.
Motor Control in Power Tools
With 20MHz speed and PWM outputs, it can drive brushless motors with precise speed control.
Battery Management Systems
Low voltage operation (1.8V) and BOD ensure safe operation in single-cell lithium-ion applications.
Smart Lighting Controllers
Its small footprint and PWM channels enable dimming and color control in LED drivers.
Portable Medical Devices
The wide temperature range and low power consumption make it suitable for wearable health monitors.
Agricultural Monitoring
Robust operation in outdoor environments with temperature extremes is supported by its 105°C rating.
- Q: What is the difference between ATMEGA325A-MN and ATMEGA325A-AN?
- A: The -MN version uses a 64-VFQFN package with exposed pad, while -AN uses 64-TQFP.
- Q: What is the operating voltage range?
- A: It operates from 1.8V to 5.5V, supporting both low-voltage and standard 5V systems.
- Q: What is the maximum clock frequency?
- A: It can run at up to 20MHz.
- Q: How much program memory is available?
- A: It has 32KB of flash memory (16K x 16).
- Q: What temperature range is supported?
- A: It is rated for -40°C to 105°C.
- Q: What is the difference between ATMEGA325A-MN and ATMEGA325A-AN?
- A: The -MN version uses a 64-VFQFN package with exposed pad, while -AN uses 64-TQFP.
- Q: What is the operating voltage range?
- A: It operates from 1.8V to 5.5V, supporting both low-voltage and standard 5V systems.
- Q: What is the maximum clock frequency?
- A: It can run at up to 20MHz.
- Q: How much program memory is available?
- A: It has 32KB of flash memory (16K x 16).
- Q: What temperature range is supported?
- A: It is rated for -40°C to 105°C.

ATMEGA325A-MN.pdf