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

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

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

265 In Global stock for delivery within 10 working day(s)

Price (ex. GST) Each

$10.12

(exc. GST)

$11.13

(inc. GST)

Units	Per unit
1 - 9	$10.12
10 - 24	$9.88
25 +	$9.50

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

Technical data sheets

Legislation and Compliance

Product Details

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 products that are Customized and under Non-cancellable & Non-returnable, Sales & Conditions apply.

Specifications

Attribute	Value
Family Name	ATmega
Package Type	TQFP
Mounting Type	Surface Mount
Pin Count	44
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
Typical Operating Supply Voltage	1.8 → 5.5 V
Number of UART Channels	2
Number of CAN Channels	0
Number of USART Channels	2
Number of I2C Channels	1
Instruction Set Architecture	RISC
Minimum Operating Temperature	-40 °C
Maximum Number of Ethernet Channels	0
Number of PCI Channels	0
Width	10.1mm
Dimensions	10.1 x 10.1 x 1.05mm
Pulse Width Modulation	1 (6 Channel)
Program Memory Type	Flash
Number of Ethernet Channels	0
Number of LIN Channels	0
Height	1.05mm
Number of ADC Units	1
Maximum Operating Temperature	+85 °C
Length	10.1mm
ADCs	8 x 10 bit