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ATMEGA6

ATMEGA644A-AUR vs ATMEGA644A-MU vs ATMEGA644A-MUR

 
PartNumberATMEGA644A-AURATMEGA644A-MUATMEGA644A-MUR
Description8-bit Microcontrollers - MCU 20 MHz Ind Temp8-bit Microcontrollers - MCU 20 MHz Ind Temp8-bit Microcontrollers - MCU 20 MHz Ind Temp
ManufacturerMicrochipMicrochipMicrochip
Product Category8-bit Microcontrollers - MCU8-bit Microcontrollers - MCU8-bit Microcontrollers - MCU
RoHSYYY
Mounting StyleSMD/SMTSMD/SMT-
Package / CaseTQFP-44VQFN-44VQFN-44
SeriesATmega644ATmega644ATmega644
CoreAVRAVRAVR
Data Bus Width8 bit8 bit8 bit
Maximum Clock Frequency20 MHz20 MHz20 MHz
Program Memory Size64 kB64 kB-
Data RAM Size4 kB4 kB-
ADC Resolution10 bit10 bit-
Number of I/Os32 I/O32 I/O-
Operating Supply Voltage1.8 V to 5.5 V1.8 V to 5.5 V1.8 V to 5.5 V
Minimum Operating Temperature- 40 C- 40 C-
Maximum Operating Temperature+ 85 C+ 85 C-
PackagingReelTrayReel
ProductMCUMCUMCU
Program Memory TypeFlashFlash-
BrandMicrochip Technology / AtmelMicrochip Technology / AtmelMicrochip Technology / Atmel
Data RAM TypeSRAMSRAM-
Data ROM Size2 kB2 kB-
Data ROM TypeEEPROMEEPROM-
Interface Type2-Wire, SPI, USART2-Wire, SPI, USART-
Moisture SensitiveYes-Yes
Number of ADC Channels8 Channel8-
Number of Timers/Counters2 x 8 bit, 1 x 16 bit3 Timer-
Processor SeriesmegaAVRmegaAVRmegaAVR
Product Type8-bit Microcontrollers - MCU8-bit Microcontrollers - MCU8-bit Microcontrollers - MCU
Factory Pack Quantity20003604000
SubcategoryMicrocontrollers - MCUMicrocontrollers - MCUMicrocontrollers - MCU
Supply Voltage Max5.5 V5.5 V-
Supply Voltage Min1.8 V1.8 V-
TradenameAVRAVRAVR
Watchdog TimersWatchdog Timer--
Unit Weight0.009640 oz0.032805 oz-
Manufacturer Part # Description RFQ
Microchip Technology / Atmel
Microchip Technology / Atmel 		ATMEGA644PA-AN 8-bit Microcontrollers - MCU 16 MHz, 105C, Green, TQFP
ATMEGA644P-20AUR 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V
ATMEGA644PA-AU 8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
ATMEGA644PA-AUR 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND
ATMEGA644A-MU 8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644P-20AU 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
ATMEGA644P-20MU 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
ATMEGA644A-PU 8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644P-20AQ 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
ATMEGA644P-20PU 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
ATMEGA644P-20MQ 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
ATMEGA644P-20MUR 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V
ATMEGA644A-MUR 8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644PA-ANR 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C
ATMEGA644P-20AQR 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V
ATMEGA644P-20MQR 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHz EXT,5V
ATMEGA644P-A15AZ 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE16MHZ 5V
ATMEGA644P-15MT 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
ATMEGA644P-15MZ 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
ATMEGA644PA-MN 8-bit Microcontrollers - MCU AVR 64 KB FL 2 KB EE 4KB RAM 16 MHZ GRN
ATMEGA644P-15MT1 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
ATMEGA644PA-AN 16 MHZ, 105C, GREEN, TQFP
ATMEGA644P-20MQR Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHz EXT,5V
ATMEGA644A-MUR Microcontrollers - MCU 8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644P-20AQR Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V
ATMEGA644PA-ANR Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C
ATMEGA644P-A15AZ Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
ATMEGA644PA-AUR Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND
ATMEGA644A-AUR Microcontrollers - MCU 8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644P-20MQ Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
ATMEGA644P-20AQ Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
ATMEGA644P-20AUR Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V
ATMEGA644P-20MUR Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V
ATMEGA644P-20MU Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
ATMEGA644A-MU Microcontrollers - MCU 8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644P-20PU Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
ATMEGA644P-20AU IC MCU 8BIT 64KB FLASH 44TQFP
ATMEGA644PA-AU Microcontrollers - MCU 8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
ATMEGA644A-PU Microcontrollers - MCU 8-bit Microcontrollers - MCU 20 MHz Ind Temp
ATMEGA644P-15MT IC MCU 8BIT 64KB FLASH 44VQFN
ATMEGA644P-15MT1 IC MCU 8BIT 64KB FLASH 44VQFN
ATMEGA644P-15MZ IC MCU 8BIT 64KB FLASH 44VQFN
ATMEGA644P-A15MZ Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
ATMEGA644P-20PQ Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
ATMEGA644P-15AT IC MCU 8BIT 64KB FLASH 44TQFP
ATMEGA644P-15AT1 IC MCU 8BIT 64KB FLASH 44TQFP
ATMEGA644P-15AZ IC MCU 8BIT 64KB FLASH 44TQFP
ATMEGA644P-B15MZ Microcontroller 8-Bit AVR RISC 64KB Flash - Bulk (Alt: ATMEGA644P-B15MZ)
ATMEGA644P-15ATI New and Original
ATMEGA644PA New and Original
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