Microchip Technology ATMEGA64A-AUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.62 | $5.62 |
| 15+ | $5.45 | $81.75 |
| 25+ | $5.33 | $133.25 |
| 50+ | $5.03 | $251.50 |
| 100+ | $4.44 | $444.00 |
| N+ | $0.89 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 16MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 53 |
| Program Memory Size | 64KB (32K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 2K x 8 |
| RAM Size | 4K 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 ATMEGA64A-AUR is an 8-bit AVR microcontroller from Microchip, operating at up to 16MHz. It features 64KB flash and 4KB RAM, with a supply voltage range of 2.7V to 5.5V. The 64-TQFP package provides a compact, high-pin-count solution for space-constrained designs. Integrated brown-out detection, POR, PWM, and WDT ensure dependable operation in industrial and commercial applications from -40°C to 85°C.
- Compact 64-TQFP: Saves PCB space while offering up to 53 I/O pins for peripheral-rich designs.
- Wide voltage tolerance: 2.7V to 5.5V supports both 3.3V and 5V systems without extra regulators.
- Proven AVR architecture: Single-cycle instructions maximize throughput at 16MHz.
- Integrated safety features: Brown-out reset and watchdog timer enhance field reliability.
Motor Control Drives
The 16MHz AVR core and multiple PWM channels generate precise 3-phase waveforms. The 64-TQFP package provides enough pins for current sensing and encoder feedback.
Building Automation Gateways
With 64KB flash, it can store protocol stacks for BACnet or Modbus. The 2.7V minimum supply allows operation from 3V coin cells during power outages.
Medical Monitoring Devices
The -40°C to 85°C range and WDT ensure reliable patient monitoring. 4KB RAM buffers vital sign data before transmission.
Point-of-Sale Terminals
Multiple UARTs and SPI interfaces connect to card readers and displays. The 5.5V tolerance simplifies interfacing with peripheral power rails.
Smart Grid Meters
Brown-out detection protects meter calibration data during grid fluctuations. The 64-TQFP allows compact PCB design for DIN-rail mounting.
Avionics Test Equipment
The wide temperature range and robust reset circuitry meet stringent reliability requirements. 16MHz speed handles real-time data acquisition.
- Q: What is the operating voltage?
- A: The supply voltage range is 2.7V to 5.5V, suitable for battery and 5V systems.
- Q: What is the maximum speed?
- A: The AVR core runs at up to 16MHz, balancing power consumption and processing capability.
- Q: How much flash memory does it have?
- A: It provides 64KB of flash (32K x 16 bits) for program storage.
- Q: What package is available?
- A: It comes in a 64-TQFP package, offering a compact footprint with many I/O pins.
- Q: Does it support PWM?
- A: Yes, it includes multiple PWM channels, along with brown-out detection, POR, and WDT.
- Q: What is the operating voltage?
- A: The supply voltage range is 2.7V to 5.5V, suitable for battery and 5V systems.
- Q: What is the maximum speed?
- A: The AVR core runs at up to 16MHz, balancing power consumption and processing capability.
- Q: How much flash memory does it have?
- A: It provides 64KB of flash (32K x 16 bits) for program storage.
- Q: What package is available?
- A: It comes in a 64-TQFP package, offering a compact footprint with many I/O pins.
- Q: Does it support PWM?
- A: Yes, it includes multiple PWM channels, along with brown-out detection, POR, and WDT.

ATMEGA64A-AUR.pdf