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Image: Product 556-ATMEGA644-20AU Product 556-ATMEGA644-20AUR
Mouser Part No: 556-ATMEGA644-20AU 556-ATMEGA644-20AUR
Mfr.'s Part No: ATMEGA644-20AU ATMEGA644-20AUR
Manufacturer: Microchip Technology Microchip Technology
Description: 8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND
Lifecycle: - -
Datasheet: ATMEGA644-20AU Datasheet (PDF) ATMEGA644-20AUR Datasheet (PDF)
RoHS:    

Specifications

ADC Resolution: 10 bit -
Analogue Supply Voltage: 1.8 V to 5.5 V -
Brand: Microchip Technology Microchip Technology
Core: AVR AVR
Country of Assembly: Not Available Not Available
Country of Diffusion: Not Available Not Available
Country of Origin: TW TW
Data Bus Width: 8 bit 8 bit
Data RAM Size: 4 kB -
Data RAM Type: SRAM -
Data ROM Size: 2 kB -
Data ROM Type: EEPROM -
I/O Voltage: 1.8 V to 5.5 V -
Interface Type: I2C, SPI, USART -
Maximum Clock Frequency: 20 MHz 20 MHz
Maximum Operating Temperature: + 85 C -
Minimum Operating Temperature: - 40 C -
Moisture Sensitive: Yes Yes
Mounting Style: SMD/SMT SMD/SMT
Number of ADC Channels: 8 Channel -
Number of I/Os: 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 -
Program Memory Type: 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: 2.7 V 2.7 V
Tradename: AVR AVR
Watchdog Timers: Watchdog Timer -

Ordering Information

Stock: 1,953 Can Dispatch Immediately 3,988 Can Dispatch Immediately
Factory Lead Time: 10 Weeks Estimated factory production time for quantities greater than shown. 10 Weeks Estimated factory production time for quantities greater than shown.
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Pricing:
Qty. Unit Price
Ext. Price
$6.43 $6.43
$6.42 $64.20
$5.87 $146.75
$5.43 $543.00
Qty. Unit Price
Ext. Price
$6.71 $6.71
$6.14 $153.50
$5.56 $556.00
Full Reel (Order in multiples of 2000)
$5.56 $11,120.00