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Image: Product 556-ATMEGA644A-AU Product 556-ATMEGA644A-AUR
Mouser Part No: 556-ATMEGA644A-AU 556-ATMEGA644A-AUR
Mfr.'s Part No: ATMEGA644A-AU ATMEGA644A-AUR
Manufacturer: Microchip Technology Microchip Technology
Description: 8-bit Microcontrollers - MCU 20 MHz Ind Temp 8-bit Microcontrollers - MCU 20 MHz Ind Temp
Lifecycle: - -
Datasheet: ATMEGA644A-AU Datasheet (PDF) ATMEGA644A-AUR Datasheet (PDF)
RoHS:    

Specifications

ADC Resolution: 10 bit 10 bit
Brand: Microchip Technology Microchip Technology
Core: AVR AVR
Country of Assembly: Not Available Not Available
Country of Diffusion: US Not Available
Country of Origin: TH TH
Data Bus Width: 8 bit 8 bit
Data RAM Size: 4 kB 4 kB
Data RAM Type: SRAM SRAM
Data ROM Size: 2 kB 2 kB
Data ROM Type: EEPROM EEPROM
Interface Type: 2-Wire, SPI, Serial, USART 2-Wire, SPI, USART
Maximum Clock Frequency: 20 MHz 20 MHz
Maximum Operating Temperature: + 85 C + 85 C
Minimum Operating Temperature: - 40 C - 40 C
Moisture Sensitive: Yes Yes
Mounting Style: SMD/SMT SMD/SMT
Number of ADC Channels: 8 Channel 8 Channel
Number of I/Os: 32 I/O 32 I/O
Number of Timers/Counters: 3 Timer -
Package/Case: TQFP-44 TQFP-44
Packaging: Tray Reel
Processor Series: megaAVR megaAVR
Product: MCUs MCUs
Product Type: 8-bit Microcontrollers - MCU 8-bit Microcontrollers - MCU
Program Memory Size: 64 kB 64 kB
Program Memory Type: Flash Flash
Series: ATmega644 ATmega644
Standard Pack Qty: 160 2000
Subcategory: Microcontrollers - MCU Microcontrollers - MCU
Supply Voltage - Max: 5.5 V 5.5 V
Supply Voltage - Min: 1.8 V 1.8 V
Tradename: AVR AVR
Watchdog Timers: - Watchdog Timer

Ordering Information

Stock: 257 Can Dispatch Immediately 583 Can Dispatch Immediately
Factory Lead Time: 7 Weeks Estimated factory production time for quantities greater than shown. -
Buy:
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Packaging: Learn more about packaging choices
Full Reel (Order in multiples of 2000)
Pricing:
Qty. Unit Price
Ext. Price
4,76 € 4,76 €
4,35 € 108,75 €
3,94 € 394,00 €
Qty. Unit Price
Ext. Price
Cut Tape / MouseReel™
4,88 € 4,88 €
4,48 € 112,00 €
4,05 € 405,00 €
Full Reel (Order in multiples of 2000)
4,05 € 8.100,00 €
4.000 Quote
† A MouseReel™ fee of 5,00 € will be added and calculated in your basket. All MouseReel™ orders are non-cancellable and non-returnable.