
Contact
Send MessageATMEGA644A-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
| Manufacturer | Microchip Technology | |
| Series | AVR® ATmega | |
| Core Processor | AVR | |
| Core Size | 8-Bit | |
| Speed | 20MHz | |
| Connectivity | I²C, SPI, UART/USART | |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | |
| Number of I/O | 32 | |
| Program Memory Size | 64KB (32K x 16) | |
| Program Memory Type | FLASH | |
| EEPROM Size | 2K x 8 | |
| RAM Size | 4K x 8 | |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V | |
| Data Converters | A/D 8x10b | |
| Oscillator Type | Internal | |
| Operating Temperature | -40°C ~ 85°C (TA) | |
| Mounting Type | Surface Mount | |
| Package / Case | 44-VFQFN Exposed Pad | |
| Supplier Device Package | 44-VQFN (7x7) |
Recommended Products

RES 275 OHM 1W 0.1% AXIAL

RES 1.8K OHM 1/2W 0.25% AXIAL

XTAL OSC PROG XO CMOS CTR SPRD

RIF-0-BPT/1

IC RECEIVER 0/3 16SOIC

DIODE ZENER 47V 3W DO204AL

FUSE T/L 63A 500V 22X58MM EURO

CIR BRKR MAG-HYDR 3A PUSH-RESET

CONN PLUG FMALE 55POS GOLD CRIMP

CONN RCPT HSNG FMALE 9POS PNL MT










