Microchip ATMEGA644A-MU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 44-Pin VQFN

RS Stock No.:: 131-0317
Mfr. Part No.:: ATMEGA644A-MU
Brand:: Microchip

Microchip ATMEGA644A-MU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 44-Pin VQFN

Available to back order for despatch when stock is available

Price Each

£4.42

(exc. VAT)

£5.30

(inc. VAT)

Units	Per unit
1 +	£4.42

RS Stock No.:: 131-0317
Mfr. Part No.:: ATMEGA644A-MU
Brand:: Microchip

Technical Reference

Legislation and Compliance

Product Details

8-Bit megaAVR Microcontrollers, 32KB to 256KB Flash

Here at RS Components we have various megaAVR 8-bit microcontrollers from Atmel. Each of the microcontrollers is based on an enhanced RISC architecture and feature QTouch library support. All the microcontroller types have varying Kb of In-System Programmable Flash, EEPROM and SRAM as well as varying pin and package types.

Types of megaAVR 8-bit microcontrollers
•ATmega32
•ATmega64
•ATmega128
•ATmega324
•ATmega325
•ATmega406
•ATmega640
•ATmega644
•ATmega645
•ATmega1280
•ATmega1281
•ATmega1284
•ATmega2560
•ATmega2561
•ATmega3250
•ATmega6450

Specifications

Attribute	Value
Family Name	ATmega
Package Type	VQFN
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
Number of CAN Channels	0
Number of UART Channels	2
Number of USART Channels	2
Typical Operating Supply Voltage	1.8 → 5.5 V
Number of I2C Channels	1
Maximum Operating Temperature	+85 °C
Minimum Operating Temperature	-40 °C
Number of ADC Units	1
Number of Ethernet Channels	0
Dimensions	7.1 x 7.1 x 0.95mm
Height	0.95mm
ADCs	8 x 10 bit
Pulse Width Modulation	1 (6 Channel)
Program Memory Type	Flash
Length	7.1mm
Number of LIN Channels	0
Width	7.1mm
Instruction Set Architecture	RISC
Maximum Number of Ethernet Channels	0
Number of PCI Channels	0