Microchip ATMEGA644PA-PU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 40-Pin PDIP

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Subtotal 10 units (supplied in a tube)*

HK$523.00

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  • 3 unit(s) shipping from 08 December 2025
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Units
Per unit
10 - 24HK$52.30
25 +HK$51.25

*price indicative

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

Microchip

Family Name

ATmega

Package Type

PDIP

Mounting Type

Through Hole

Pin Count

40

Device Core

AVR

Data Bus Width

8bit

Program Memory Size

64 kB

Maximum Frequency

20MHz

RAM Size

4 kB

USB Channels

0

Number of PWM Units

1

Number of SPI Channels

3

Number of I2C Channels

1

Number of UART Channels

2

Typical Operating Supply Voltage

1.8 → 5.5 V

Number of USART Channels

2

Number of CAN Channels

0

Number of ADC Units

1

Maximum Operating Temperature

+85 °C

Pulse Width Modulation

1 (6 Channel)

Dimensions

52.57 x 13.97 x 4.44mm

Width

13.97mm

Height

4.44mm

Number of LIN Channels

0

Number of Ethernet Channels

0

Number of PCI Channels

0

Program Memory Type

Flash

Minimum Operating Temperature

-40 °C

Instruction Set Architecture

RISC

Maximum Number of Ethernet Channels

0

ADCs

8 x 10 bit

Length

52.57mm

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

For these non-cancellable (NC), and non-returnable (NR) products, Terms and Conditions apply.