Microchip Technology ATMEGA325A-ANR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.24 | $5.24 |
| 15+ | $5.08 | $76.20 |
| 25+ | $4.97 | $124.25 |
| 50+ | $4.69 | $234.50 |
| 100+ | $4.14 | $414.00 |
| N+ | $0.83 | 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 | 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-TQFP (14x14) |
| Package / Case | 64-TQFP |
The Microchip ATMEGA325A is a high-performance 8-bit AVR microcontroller with 32KB of flash memory. It operates at up to 20MHz and supports a wide voltage range from 1.8V to 5.5V. The 64-TQFP package provides extensive I/O capabilities. It includes essential peripherals like PWM, WDT, and Brown-out Detection, making it a reliable choice for various embedded applications.
- Wide Voltage Range: 1.8V-5.5V supports both battery and 5V logic systems.
- High I/O Count: 64-pin package offers ample GPIO for complex interfaces.
- Proven AVR Architecture: Simple instruction set and rich ecosystem speed up development.
- Extended Temperature Range: -40°C to 105°C for harsh environments.
- Integrated Safety: Brown-out Reset and WDT enhance system reliability.
Industrial Sensor Interfaces
The 20MHz AVR core and 32KB flash allow for processing multiple analog sensor inputs and communicating over industrial buses.
Home Automation Hubs
With 64 I/O pins in TQFP, it can manage lighting, HVAC, and security sensors in a central hub, running at low voltage.
Portable Medical Monitors
Its 1.8V operation enables battery-powered devices like glucose meters, with PWM for display backlight control.
Automotive Aftermarket Modules
Operating at -40°C to 105°C, it suits tire pressure monitoring or dashcam controllers, handling data logging.
Smart Agriculture Nodes
Low power consumption and wide voltage range make it ideal for soil moisture sensors and irrigation controllers in remote fields.
Educational Robotics Kits
The large pin count and simple AVR architecture facilitate learning projects with motors, LEDs, and encoders.
- Q: What is the maximum clock speed?
- A: The ATMEGA325A operates at up to 20MHz.
- Q: What is the supply voltage range?
- A: It supports 1.8V to 5.5V, allowing flexible power designs.
- Q: How much flash memory does it have?
- A: It includes 32KB of in-system programmable flash.
- Q: What is the package type?
- A: It is available in a 64-TQFP package.
- Q: What are the key safety features?
- A: It has Brown-out Detection, POR, PWM, and WDT.
- Q: What is the maximum clock speed?
- A: The ATMEGA325A operates at up to 20MHz.
- Q: What is the supply voltage range?
- A: It supports 1.8V to 5.5V, allowing flexible power designs.
- Q: How much flash memory does it have?
- A: It includes 32KB of in-system programmable flash.
- Q: What is the package type?
- A: It is available in a 64-TQFP package.
- Q: What are the key safety features?
- A: It has Brown-out Detection, POR, PWM, and WDT.

ATMEGA325A-ANR.pdf