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ATMEGA644-20PU

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ATMEGA644-20PU

RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PDIP40

Manufacturer: Microchip Technology

Categories: Microcontrollers

Quality Control: Learn More

Microchip Technology's ATMEGA644 is an 8-bit AVR RISC microcontroller featuring 65KB of FLASH program memory and 4KB of SRAM. This CMOS device operates at a maximum clock frequency of 20MHz, supporting SPI, UART, and USART connectivity. It includes 32 general-purpose I/O lines, 3 timers, and multiple peripherals such as BOD, BOR, COMPARATOR, PWM, POR, RTC, and WDT. The ATMEGA644 also offers ADC functionality and low-power modes. It is available in a 40-pin PDIP package, suitable for applications in industrial automation, consumer electronics, and medical devices. The component also operates at 2.7V supply at 10 MHz.

Additional Information

Series: ATMEGA644RoHS Status: RoHS CompliantManufacturer Lead Time: 4Product Status: NRFNDPackaging: TubeDatasheet:
Technical Details:
FormatFixed Point
Length52.3240
Speed20.00000000
Width15.2400
TechnologyCMOS
ConnectivitySPI, UART, USART
PeripheralsBOD, BOR, COMPARATOR, PWM(6), POR, RTC, TIMER(3), WDT
ADC_ChannelsYes
Additional_FeatureALSO OPERATES AT 2.7V SUPPLY AT 10 MHZ
Address_Bus_Width0
Bit_Size8
Boundary_ScanYes
Clock_Frequency_Max16.0000000000000000
CPU_FamilyAVR RISC
DAC_ChannelsNo
Data_EEPROM_Size2048
Data_RAM_Size4096
DMA_ChannelsNo
External_Data_Bus_Width0
Integrated_CacheNo
JESD_30_CodeR-PDIP-T40
Low_Power_ModeYes
Number_of_External_Interrupts35
Number_of_I_O_Lines32
Number_of_Serial_I_Os1
Number_of_Terminals40
Number_of_Timers3
On_Chip_Data_RAM_Width8
Operating_Temperature_Max85.0000
Operating_Temperature_Min-40.0000
Package_Body_MaterialPLASTIC/EPOXY
Package_CodeDIP
Package_Equivalence_CodeDIP40,.6
Package_ShapeRectangular
Package_StyleIN-LINE
Program_Memory_Size65536
Program_Memory_TypeFLASH
Program_Memory_Width8
PWM_ChannelsYes
Seated_Height_Max4.8260
Supply_Current_Max9.00000000
Supply_Voltage_Max5.5000
Supply_Voltage_Min5.0000
Supply_Voltage_Nom5.0000
Surface_MountNo
Terminal_FormTHROUGH-HOLE
Terminal_Pitch2.540
Terminal_PositionDual
uPs_uCs_Peripheral_ICs_TypeMICROCONTROLLER, RISC

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