Microchip Technology, Inc. Embedded - Embedded - Microcontrollers - ATMEGA644-20AU ATMEGA644-20AU

Manufacturer: Microchip Technology
Win Source Part Number: 1020329-ATMEGA644-20AU
Packaging: Tray
Core Processor: AVR
Number of I/O: 32
Program Memory Size: 64KB (32K x 16)
Program Memory Type: FLASH
EEPROM Size: 2K x 8
Data Converters: A/D 8x10b
Family Name: ATMEGA644
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 44-TQFP (10x10)
Speed(Frequency): 20MHz
Supply Voltage - Operating: 2.7 V to 5.5 V
Part Core Size: 8-Bit
Data RAM Size: 4K x 8
Alternative Parts (Cross-Reference): ATMEGA644-20PU; ATmega644P-20PU; ATMEGA644PV-20MU;
Introduction Date: May 02, 1997
ECCN: EAR99
Country of Origin: Taiwan
Estimated EOL Date: 2019
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 58 pct.
Supply and Demand Status: Limited

20MHZ, TQFP, IND TEMP, GREEN, 5V

20MHZ, TQFP, IND TEMP, GREEN, 5V

20MHZ, TQFP, IND TEMP, GREEN, 5V

AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 44-TQFP (10x10)

IC MCU 8BIT 64KB FLASH 44TQFP Product overview: ATMEGA644-20AU from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 8BIT, 64KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 64KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-ATMEGA644-20AU can be used for catalog matching and distributor lookup.