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Microchip Technology ATMEGA644A-PU

Microchip Technology ATMEGA644A-PU

MPNATMEGA644A-PU
End of Life

IC MCU 8BIT 64KB FLASH 40DIP

$8.72076Price · pay online now
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$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

ATMEGA644A-PU specifications
ParameterValue
SeriesAVR® ATmega
MountingThrough Hole
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.8V ~ 5.5V
Operating temperature-40°C ~ 85°C (TA)
Speed20MHz
PackageTube
RAM size4K x 8
Core size8-Bit
EEPROM size2K x 8
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
ConnectivityI²C, SPI, UART/USART
Number of i (O)32
Core processorAVR
Case40-DIP (0.600\", 15.24mm)
Data convertersA/D 8x10b
Program memory size64KB (32K x 16)