Microchip, 8 bit AVR, megaAVR Microcontroller, 20 MHz, 64kB FLASH, 40-Pin PDIP

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Subtotal 25 units (supplied in a tube)*

£125.00

(exc. VAT)

£150.00

(inc. VAT)

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Temporarily out of stock
  • 3 unit(s) shipping from 22 December 2025
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Units
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25 - 99£5.00
100 +£4.81

*price indicative

Packaging Options:
RS Stock No.:
131-0325P
Mfr. Part No.:
ATMEGA644PA-PU
Brand:
Microchip
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Brand

Microchip

Product Type

Microcontroller

Series

megaAVR

Package Type

PDIP

Mount Type

Through Hole

Pin Count

40

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

Number of Programmable I/Os

32

Analogue Comparators

1

Maximum Operating Temperature

85°C

Width

13.97 mm

Height

4.44mm

Length

52.57mm

Standards/Approvals

No

Minimum Supply Voltage

1.8V

Instruction Set Architecture

RISC

Number of Timers

2

Automotive Standard

No

ADCs

8 x 10 Bit

Program Memory Type

FLASH

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