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Microchip Technology ATMEGA644-20MU
Manufacturer
Manufacturer Product Number
ATMEGA644-20MU
Description
IC MCU 8BIT 64KB FLASH 44VQFN
Manufacturer Standard Lead Time Contact us
Detailed Description
AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 44-VQFN (7x7)
Datasheet View datasheet
EDA/CAD Models
Product Attributes
Type
Description
Manufacturer
Microchip Technology
Number of I/O
32
Operating Temperature
-40°C ~ 85°C (TA)
DigiKey Programmable
Not Verified
Oscillator Type
Internal
Program Memory Type
FLASH
EEPROM Size
2K x 8
Core Processor
AVR
Data Converters
A/D 8x10b
Core Size
8-Bit
Mounting Type
Surface Mount
Supplier Device Package
44-VQFN (7x7)
Speed
20MHz
Program Memory Size
64KB (32K x 16)
RAM Size
4K x 8
Package / Case
44-VFQFN Exposed Pad
Voltage - Supply (Vcc/Vdd)
2.7V ~ 5.5V
Connectivity
I2C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Documents & Media
Resource Type
Link
Datasheets
EDA Models
Design Resources
Training Modules
Environmental Information
Product Change Notices
Featured Products
Additional Resources
Attribute
Description
Part Number Alias
ATMEGA644-20MU
1008688
ATMEGA644-20MU-ND
Availability
Out of Stock
Updated
5/16/2026
In-Stock: 0
Packaging Quantity Unit Price Ext Price
1 179.000 ₫ 179.000 ₫
179.000 ₫
All prices are shown in the selected currency
Tray · Digikey
Quantity Unit Price Ext Price
1
179.000 ₫
179.000 ₫
25
164.000 ₫
4.100.000 ₫
100
149.000 ₫
14.900.000 ₫
MOQ 1 · Order multiple 1