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Model ATMEGA644A-MU
Description Microchip ATmega Series MCU 8-bit AVR ATMEGA644A-MU, 20MHz, 64 kB ROM flash, 4 kB RAM, VQFN-44
Product QR code
Brand: Microchip
Packaging VQFN-44
Delivery time
Packaging method Tray
Standard packaging quantity 1
39.36  yuan 39.36yuan
1+:
$ 48.0241
10+:
$ 45.2686
100+:
$ 43.2217
250+:
$ 42.9068
500+:
$ 42.5918
1000+:
$ 42.2376
2500+:
$ 41.9227
5000+:
$ 41.7258
Quantity
1+
10+
100+
250+
500+
Price
$48.0241
$45.2686
$43.2217
$42.9068
$42.5918
Price $ 48.0241 $ 45.2686 $ 43.2217 $ 42.9068 $ 42.5918
Start batch production 1+ 10+ 100+ 250+ 500+
Check the distribution price
  • Freight charges：   In stock Freight rate：$13.00
  • Quantity： Inventory(9795) Minimum order quantity(1)
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Technical parameters/frequency: 20 MHz

Technical parameters/number of pins: 44

Technical parameters/clock frequency: 20.0 MHz

Technical parameters/RAM size: 4 KB

Technical parameters/Analog to Digital Conversion (ADC): 1

Technical parameters/input/output numbers: 32 Input

Technical parameters/operating temperature (Max): 85 ℃

Technical parameters/operating temperature (Min): -40 ℃

Technical parameters/power supply voltage: 1.8.5.5 V

Technical parameters/power supply voltage (Max): 5.5 V

Technical parameters/power supply voltage (Min): 1.8 V

Encapsulation parameters/installation method: Surface Mount

Package parameters/number of pins: 44

Encapsulation parameters/Encapsulation: VQFN-44

External dimensions/length: 7.1 mm

External dimensions/width: 7.1 mm

External dimensions/height: 0.95 mm

External dimensions/packaging: VQFN-44

Physical parameters/operating temperature: -40℃ ~ 85℃

Other/Product Lifecycle: Unknown

Other/Packaging Methods: Tray

Other/Manufacturing Applications: industry

Compliant with standards/RoHS standards: RoHS Compliant

Compliant with standards/lead standards: lead-free

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Alternative material

Model Brand Similarity Encapsulation Introduction Data manual
ATMEGA644A-MUR ATMEGA644A-MUR ATMEL 类似代替 VQFN-44
AVR 20MHz 闪存：32K@x16bit RAM：4KB
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