Microchip ATMEGA644P-20PU, 8 bit AVR, ATMEGA644P Microcontroller, 20 MHz, 64kB FLASH, 40-Pin PDIP

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$13.32

(exc. VAT)

$15.32

(inc. VAT)

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  • Plus 19 unit(s) shipping from 15 December 2025
  • Plus 170 unit(s) shipping from 22 December 2025
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1 - 9$13.32
10 - 24$12.98
25 +$12.40

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Packaging Options:
RS Stock No.:
131-0322
Distrelec Article No.:
173-25-149
Mfr. Part No.:
ATMEGA644P-20PU
Brand:
Microchip
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Brand

Microchip

Product Type

Microcontroller

Series

ATMEGA644P

Package Type

PDIP

Mount Type

Through Hole

Pin Count

40

Device Core

AVR

Data Bus Width

8bit

Program Memory Size

64kB

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

Length

52.57mm

Height

4.44mm

Width

13.97 mm

Standards/Approvals

No

Minimum Supply Voltage

2.7V

Instruction Set Architecture

RISC

Automotive Standard

No

ADCs

8 x 10 Bit

Program Memory Type

FLASH

Distrelec Product Id

17325149

Number of Timers

2

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

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