
Microchip Technology ATMEGA644A-PU
MPNATMEGA644A-PU
End of Life
IC MCU 8BIT 64KB FLASH 40DIP
$8.72076Price · pay online now
$8.72 / ea
4 in stock — maximum per order · 3–4 days lead time
Packaging40-DIP (0.600", 15.24mm)
RoHSROHS3 Compliant
SeriesAVR® ATmega
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Series | AVR® ATmega |
| Mounting | Through Hole |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.8V ~ 5.5V |
| Operating temperature | -40°C ~ 85°C (TA) |
| Speed | 20MHz |
| Package | Tube |
| RAM size | 4K x 8 |
| Core size | 8-Bit |
| EEPROM size | 2K x 8 |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | I²C, SPI, UART/USART |
| Number of i (O) | 32 |
| Core processor | AVR |
| Case | 40-DIP (0.600\", 15.24mm) |
| Data converters | A/D 8x10b |
| Program memory size | 64KB (32K x 16) |