Microchip Technology ATMEGA3250A-AUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.43 | $5.43 |
| 15+ | $5.26 | $78.90 |
| 25+ | $5.15 | $128.75 |
| 50+ | $4.86 | $243.00 |
| 100+ | $4.29 | $429.00 |
| N+ | $0.86 | 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 | 69 |
| 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 | 100-TQFP (14x14) |
| Package / Case | 100-TQFP |
| ROHS |
The ATMEGA3250A-AUR is a high-pin-count 8-bit microcontroller from Microchip, built on the AVR core. It operates at up to 20MHz and provides 32KB of flash memory and 2KB of SRAM. With a supply voltage range of 1.8V to 5.5V, it offers design flexibility. The 100-TQFP package provides a large number of I/O pins, making it suitable for complex interfacing tasks and display control applications.
- 100-pin package: Provides up to 86 I/O pins, enabling connection to large displays, multiple sensors, or parallel buses.
- Large 32KB flash: Sufficient for complex applications with multiple features and user interfaces.
- Wide voltage range (1.8V-5.5V): Compatible with both low-power and standard logic systems.
- Mature AVR ecosystem: Access to extensive libraries and development tools reduces time-to-market.
Large Display Interfaces
The 100-pin package provides enough GPIOs to directly drive graphical LCDs or multiple 7-segment displays without external shift registers.
Industrial HMI Panels
With 32KB flash, it can store complex user interface logic and communicate with PLCs via serial protocols, enabling operator control in machinery.
Data Logging Systems
The 2KB SRAM allows buffering of sensor data before writing to external EEPROM or SD card, suitable for environmental or energy monitoring.
Multi-Channel Sensor Arrays
Its abundant I/O pins can interface with multiple analog sensors simultaneously, making it ideal for weather stations or air quality monitors.
Robotics Controllers
The high pin count supports multiple motor drivers, encoders, and communication modules, enabling complex robot control in educational or research settings.
Test and Measurement Equipment
The 20MHz speed and PWM capabilities allow for precise waveform generation and frequency counting in benchtop instruments.
- Q: What is the core of the ATMEGA3250A?
- A: It uses the 8-bit AVR core.
- Q: What is the maximum speed?
- A: It operates at up to 20MHz.
- Q: How much memory is available?
- A: It has 32KB flash and 2KB SRAM.
- Q: What is the voltage range?
- A: It runs from 1.8V to 5.5V.
- Q: What package is it in?
- A: It comes in a 100-TQFP package.
- Q: What is the core of the ATMEGA3250A?
- A: It uses the 8-bit AVR core.
- Q: What is the maximum speed?
- A: It operates at up to 20MHz.
- Q: How much memory is available?
- A: It has 32KB flash and 2KB SRAM.
- Q: What is the voltage range?
- A: It runs from 1.8V to 5.5V.
- Q: What package is it in?
- A: It comes in a 100-TQFP package.

ATMEGA3250A-AUR.pdf