Heisener Electronics
BOM

ATMEGA644A-MU

1.8V ~ 5.5V
OriginalGlobal SourcingFast DeliveryQuality CertifiedTechnical SupportBulk Discount

IC MCU 8BIT 64KB FLASH 44VQFN

Specifications

Brand
Microchip Technology
Package
44-VFQFN Exposed Pad
Packaging
—
Weight
—

Total Inventory

483pcs

Ship within 8 hours

MOQ: 1 pcs

Certifications & Authorizations

Product Video

Discover how ATMEGA644A-MU from Microchip Technology fits into your design. Our component experts walk through key specifications, quality certifications, and typical application scenarios.

  • Authentic sourcing with full traceability
  • Rigorous incoming quality inspection
  • Competitive pricing & global fast delivery
  • Dedicated application engineering support

Technical Specifications

ManufacturerMicrochip Technology
SeriesAVR® ATmega
Core ProcessorAVR
Core Size8-Bit
Speed20MHz
ConnectivityI²C, SPI, UART/USART
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
Number of I/O32
Program Memory Size64KB (32K x 16)
Program Memory TypeFLASH
EEPROM Size2K x 8
RAM Size4K x 8
Voltage - Supply (Vcc/Vdd)1.8V ~ 5.5V
Data ConvertersA/D 8x10b
Oscillator TypeInternal
Operating Temperature-40°C ~ 85°C (TA)
Mounting TypeSurface Mount
Package / Case44-VFQFN Exposed Pad
Supplier Device Package44-VQFN (7x7)

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