Microchip Technology ATMEGA325PA-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.04 | $5.04 |
| 15+ | $4.88 | $73.20 |
| 25+ | $4.77 | $119.25 |
| 50+ | $4.51 | $225.50 |
| 100+ | $3.98 | $398.00 |
| N+ | $0.80 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Tray | |
| 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) | 2.7V ~ 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 | 64-TQFP (14x14) |
| Package / Case | 64-TQFP |
| ROHS |
The ATMEGA325PA-AU from Microchip Technology is an 8-bit AVR microcontroller running at 20MHz. It offers 32KB flash memory and 2K x 8 RAM, with a supply range of 2.7V to 5.5V. This device includes PWM, brown-out reset, and watchdog timer. The 64-TQFP package is designed for medium-complexity embedded systems.
- High Speed: 20MHz clock enables fast response in real-time applications.
- Large Flash: 32KB memory supports complex firmware and data tables.
- Flexible Voltage: 2.7V-5.5V simplifies power supply design.
- Reliable Operation: BOD and WDT enhance system stability in harsh conditions.
Industrial Display Panels
20MHz speed and 32KB flash support graphical LCD interfaces in factory HMI systems.
Automotive Dashboard Clusters
Wide temperature range and PWM enable reliable gauge control and indicator LEDs.
Smart Home Thermostats
Low power consumption and 2K RAM handle temperature sensing and user input processing.
Agricultural Monitoring Systems
Robust WDT and POR ensure long-term operation in soil moisture and weather stations.
Point-of-Sale Terminals
High-speed AVR core manages keypad scanning and display updates in payment devices.
Medical Infusion Pumps
Precise PWM and safety features support accurate motor control for drug delivery.
- Q: What is the maximum speed of the ATMEGA325PA-AU?
- A: It operates at up to 20MHz, providing fast execution for 8-bit applications.
- Q: How much program memory does it have?
- A: It includes 32KB of flash memory (16K x 16).
- Q: What is the supply voltage range?
- A: It runs from 2.7V to 5.5V, compatible with standard logic levels.
- Q: What package is this MCU available in?
- A: It comes in a 64-TQFP package.
- Q: What is the maximum speed of the ATMEGA325PA-AU?
- A: It operates at up to 20MHz, providing fast execution for 8-bit applications.
- Q: How much program memory does it have?
- A: It includes 32KB of flash memory (16K x 16).
- Q: What is the supply voltage range?
- A: It runs from 2.7V to 5.5V, compatible with standard logic levels.
- Q: What package is this MCU available in?
- A: It comes in a 64-TQFP package.

ATMEGA325PA-AU.pdf