Microchip ATMEGA644-20AU
$ 6
Production
Price and Stock
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Inventory History
3 month trend: -17.35%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
0 parts available
CAD Models
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Supply Chain
Projected EOL Date2039-11-05
Country of AssemblyTaiwan, Thailand
Country of FabricationUnited States of America
Country of OriginTaiwan, Thailand
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.31.0015
Lifecycle StatusProduction (Last Updated: 1 day ago)
Manufacturer Lifecycle StatusREL (Last Updated: 1 day ago)
Related Parts
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RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44
Descriptions
Descriptions of Microchip ATMEGA644-20AU provided by its distributors.
Microchip - ATMEGA644-20AU - Microcontroller Mcu, 8 Bit, Atmega, 20MHZ, TQFP-44
64KB 2.7V~5.5V AVR 20MHz 32 TQFP-44(10x10) Microcontroller Units (MCUs/MPUs/SOCs) ROHS
Microchip ATmegaSeries microcontroller, AVRkernel, 44needle, TQFPencapsulation
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44
ATmega Series 64 KB Flash 4 KB SRAM 20 MHz 8-Bit Microcontroller - TQFP-44
8-bit MCU Microcontrollers; MICROCHIP; ATmega644-20AU; AVR; 20 MHz; FLASH; 3
MCU 8-Bit ATmega AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP
MCU, 8BIT, ATMEGA, 20MHZ, TQFP-44; Product Range: AVR ATmega Family ATmega64 Series Microcontrollers; CPU Speed: 20MHz; Program Memory Size: 64KB; RAM Memory Size: 4KB; No. of Pins: 44Pins; MCU Case Style: TQFP; No. of I/O's: 3
Manufacturer Aliases
Microchip has several brands around the world that distributors may use as alternate names. Microchip may also be known as the following names:
- Microchip Technology
- MICROCHIP TECHNOLOGY INC
- MICROCHI
- MICROC
- MICROCH
- MICROCHIP TECH
- MCHP
- MCRCH
- MCP
- MICROHIP
- MICROSHIP
- MICCHP
- MICROCHP
- MTech
- Microchip Technology / Atmel
- MICROCIHIP
- Microchip Technologies
- Microchip / Microsemi
- MICORCHIP
- MICHROCHIP
- Atmel/Microchip
- MICRIOCHIP
- Atmel (Microchip Technology)
- MICROCHIP (ATMEL)
- MICROCHIP TECHNOLOGY (VA)
- Microchip Technology Inc.
Inventory History
3 month trend: -17.35%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
0 parts available
Technical Specifications
Physical
Case/PackageTQFP
Contact PlatingTin
MountSurface Mount
Number of Pins44
Technical
Access Time20 µs
Core ArchitectureAVR
Data Bus Width8 b
Density512 kb
Frequency20 MHz
HS Code8542.31.0015
Interface2-Wire, I2C, SPI, UART, USART
Max Frequency20 MHz
Max Operating Temperature85 °C
Max Supply Voltage5.5 V
Memory Size64 kB
Memory TypeFLASH
Min Operating Temperature-40 °C
Min Supply Voltage2.7 V
Number of ADC Channels8
Number of Bits8
Number of I/Os32
Number of Inputs32
Number of Outputs32
Number of Programmable I/O32
Number of PWM Channels6
Number of Timers/Counters3
Oscillator TypeInternal
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
RAM Size4 kB
Schedule B8542310000
Watchdog TimerYes
Dimensions
Height1 mm
Length10 mm
Width10 mm
Compliance
Environmental Classification
Lead FreeLead Free
Radiation HardeningNo
REACH SVHCNo
RoHSCompliant
Compliance Statements