Microchip ATMEGA644P-20AQR
$ 8.91
Production
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Inventory History
3 month trend: -0.42%
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: 17 hours ago)
Manufacturer Lifecycle StatusREL (Last Updated: 17 hours ago)
Related Parts
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RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44
MicrochipATMEGA164P-20AUR
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44
Descriptions
Descriptions of Microchip ATMEGA644P-20AQR provided by its distributors.
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44
MCU 8-bit ATmega AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin TQFP T/R
8 Bit MCU, AVR ATmega Family ATmega644 Series Microcontrollers, AVR, 20 MHz, 64 KB, 44 Pins, TQFP
2.7V~5.5V 20MHz 4KB FLASH 64KB Brown-out Detect/Reset,POR,PWM,WDT inside 32 2.7V 5.5V 20MHz I2C，SPI，UART，USART 2 x 8 A/D 8x10b 8bit AVR QFP SMD mount，glue mount
MCU, 8BIT, AVR, 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: 32I/
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: -0.42%
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
Core ArchitectureAVR
Data Bus Width8 b
Frequency4 MHz
HS Code8542.31.0015
InterfaceI2C, SPI, UART, USART
Max Frequency20 MHz
Max Operating Temperature85 °C
Max Supply Voltage5.5 V
Memory Size7 kB
Memory TypeFLASH, OTP
Min Operating Temperature-40 °C
Min Supply Voltage2.7 V
Number of I/Os22
Number of Programmable I/O32
Number of Timers/Counters3
Oscillator TypeExternal
PackagingCut Tape
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
RAM Size4 kB
Watchdog TimerYes