Microchip ATMEGA644PA-AU, 8 bit AVR, megaAVR Microcontroller, 20 MHz, 64kB FLASH, 44-Pin TQFP

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Subtotal 10 units (supplied in a tray)*

TWD2,020.00

(exc. VAT)

TWD2,121.00

(inc. VAT)

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  • Plus 152 unit(s) shipping from December 15, 2025
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Units
Per unit
10 +TWD202.00

*price indicative

Packaging Options:
RS Stock No.:
131-0323P
Mfr. Part No.:
ATMEGA644PA-AU
Brand:
Microchip
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Brand

Microchip

Series

megaAVR

Product Type

Microcontroller

Package Type

TQFP

Mount Type

Surface

Pin Count

44

Device Core

AVR

Data Bus Width

8bit

Program Memory Size

64kB

Interface Type

SPI, USART

Maximum Clock Frequency

20MHz

RAM Size

4kB

Maximum Supply Voltage

5.5V

Minimum Operating Temperature

-40°C

Analogue Comparators

1

Number of Programmable I/Os

32

Maximum Operating Temperature

85°C

Standards/Approvals

No

Length

10.1mm

Width

10.1 mm

Height

1.05mm

Minimum Supply Voltage

1.8V

Distrelec Product Id

30113663

ADCs

8 x 10 Bit

Number of Timers

2

Instruction Set Architecture

RISC

Program Memory Type

FLASH

Automotive Standard

No

8-Bit PicoPower megaAVR Family Microcontrollers


This range of megaAVR microcontrollers feature picoPower technology — perfect for energy saving. They offer generous program and data memories with performance of up to 20 MIPS.

Features & Benefits of picoPower megaAVR microcontrollers

•On-chip Flash

•SRAM

•Internal EEPROM

•SPI

•TWI (I²C)

•USART, USB, CAN & LIN interfaces

•Watchdog timer

•Precision oscillator

•GPIO pins

•ADC

•DAC

•Built-in temperature sensor

•Internal voltage reference

•Brown-out detector