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

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Subtotal (1 unit)*

R 129,03

(exc. VAT)

R 148,38

(inc. VAT)

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  • 19 unit(s) ready to ship from another location
  • Plus 170 unit(s) shipping from 19 January 2026
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Per unit
1 - 4R 129.03
5 - 9R 125.80
10 - 49R 122.03
50 - 99R 117.15
100 +R 112.46

*price indicative

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

Microchip

Series

ATMEGA644P

Product Type

Microcontroller

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

Number of Programmable I/Os

32

Minimum Operating Temperature

-40°C

Analogue Comparators

1

Maximum Operating Temperature

85°C

Height

4.44mm

Width

13.97 mm

Standards/Approvals

No

Length

52.57mm

Minimum Supply Voltage

2.7V

Number of Timers

2

Program Memory Type

FLASH

ADCs

8 x 10 Bit

Automotive Standard

No

Instruction Set Architecture

RISC

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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