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ATMEGA644-20AU
MCU, 8BIT, ATMEGA, 20MHZ, TQFP-44
Image is for illustrative purposes only. Please refer to product description.
ManufacturerMICROCHIP
Manufacturer Part NoATMEGA644-20AU
Newark Part No.23M5059
Product RangeAVR ATmega Family ATmega644 Series Microcontrollers
Technical Datasheet
494 In Stock
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Delivery in 2-4 Business Days(UK stock)
Order before 9pm EST standard shipping
| Quantity | Price |
|---|---|
| 1+ | $9.540 |
| 10+ | $9.150 |
| 25+ | $8.760 |
| 50+ | $8.360 |
| 100+ | $7.940 |
Price for:Each
Minimum: 1
Multiple: 1
$9.54
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Product Information
ManufacturerMICROCHIP
Manufacturer Part NoATMEGA644-20AU
Newark Part No.23M5059
Product RangeAVR ATmega Family ATmega644 Series Microcontrollers
Technical Datasheet
Product RangeAVR ATmega Family ATmega644 Series Microcontrollers
Device CoreAVR
Operating Frequency Max20MHz
Program Memory Size64KB
No. of Pins44Pins
IC Case / PackageTQFP
No. of I/O's32I/O's
InterfacesI2C, SPI, UART
RAM Memory Size4KB
ADC Channels8Channels
ADC Resolution10Bit
Supply Voltage Min2.7V
Supply Voltage Max5.5V
Operating Temperature Min-40°C
Operating Temperature Max85°C
IC MountingSurface Mount
MCU FamilyAVR ATmega
MCU SeriesATmega64
Qualification-
Technical Specifications
Product Range
AVR ATmega Family ATmega644 Series Microcontrollers
Operating Frequency Max
20MHz
No. of Pins
44Pins
No. of I/O's
32I/O's
RAM Memory Size
4KB
ADC Resolution
10Bit
Supply Voltage Max
5.5V
Operating Temperature Max
85°C
MCU Family
AVR ATmega
Qualification
-
SVHC
No SVHC (25-Jun-2025)
Device Core
AVR
Program Memory Size
64KB
IC Case / Package
TQFP
Interfaces
I2C, SPI, UART
ADC Channels
8Channels
Supply Voltage Min
2.7V
Operating Temperature Min
-40°C
IC Mounting
Surface Mount
MCU Series
ATmega64
MSL
MSL 3 - 168 hours
Technical Docs (1)
Alternatives for ATMEGA644-20AU
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Associated Products
3 Products Found
Legislation and Environmental
US ECCN:EAR99
EU ECCN:Unknown
RoHS Compliant:Yes
RoHS
RoHS Phthalates Compliant:Yes
RoHS
SVHC:No SVHC (25-Jun-2025)
Download Product Compliance Certificate
Product Compliance Certificate
Product traceability