Microchip ATMEGA644-20MUR Microcontrollers
32KB 2.7V~5.5V AVR 20MHz FLASH 32 QFN-44-EP(7x7) Microcontroller Units (MCUs/MPUs/SOCs)

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATMEGA644-20MUR
Detailed Description
Package
44-VFQFN Exposed Pad
Key Features
Package / Case: 44-VFQFN Exposed Pad; Supplier Device Package: 44-VQFN (7x7); Voltage - Supply: 2.7V ~ 5.5V; Speed: 20MHz; Core Processor: AVR; Program Memory Size: 64KB (32K x 16)
Lifecycle Status
Active
RoHS State
Compliant
Datasheet
ATMEGA644-20MUR Datasheet
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Technical Specifications
Microchip ATMEGA644-20MUR Microcontrollers technical specifications.
General
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Surface Mount
Package / Case
44-VFQFN Exposed Pad
Supplier Device Package
44-VQFN (7x7)
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
32
Speed
20MHz
EEPROM Size
2K x 8
Core Processor
AVR
RAM Size
4K x 8
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