ATMEGA644A-MU

Part No :: ATMEGA644A-MU

Manufacturer: Roving Networks / Microchip Technology

VIGOR # :: 3628749

Description: IC MCU 8BIT 64KB FLASH 44VQFN

Catalog: Embedded - Microcontrollers

DataSheet: ATMEGA644A-MU PDF

Country of origin: -

Date code: -

ATMEGA644A-MU Specifications

Type	Description
Series:	AVR® ATmega
Package:	Tray
Part Status:	Active
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)

Alternative Products

Part Number	Manufacturer & Description	Compare
ATMEGA644-20MU Match 100%	VIGOR IC MCU 8BIT 64KB FLASH 44VQFN	ATMEGA644A-MU vs ATMEGA644-20MU
ATMEGA644P-20MQ Match 100%	Roving Networks / Microchip Technology IC MCU 8BIT 64KB FLASH 44VQFN	ATMEGA644A-MU vs ATMEGA644P-20MQ
ATMEGA644P-20MUR Match 100%	Roving Networks / Microchip Technology IC MCU 8BIT 64KB FLASH 44VQFN	ATMEGA644A-MU vs ATMEGA644P-20MUR
ATMEGA644PA-MNR Match 100%	Roving Networks / Microchip Technology IC MCU 8BIT 64KB FLASH 44VQFN	ATMEGA644A-MU vs ATMEGA644PA-MNR
ATMEGA644P-20MQR Match 100%	Roving Networks / Microchip Technology IC MCU 8BIT 64KB FLASH 44VQFN	ATMEGA644A-MU vs ATMEGA644P-20MQR
ATMEGA644P-A15MZ Match 92%	VIGOR IC MCU 8BIT 64KB FLASH 44VQFN	ATMEGA644A-MU vs ATMEGA644P-A15MZ

Please confirm the specifications of the products when ordering.
MOQ means the minimum order quantity required to purchase each parts.
If you have special order instructions,please note it on the ordering pages.
The Pre-Shipment Inspection (PSI) will be applied.
You can email us to change the order details before shipment.
Orders cannot be canceled after shipping the packages.

TT in advance (bank transfer), Credit Card, PayPal can be chosen.
Cash transfer only. (Transfer with checks and bills are not accepted.)
Customer is responsible for paying all possible charges,including sales tax, VAT and customs charges,etc.
If you need the detailed invoice or tax ID,please email us.

FedEx, DHL, and UPS can be selected.
You can select whether to charge shipping fee by your shipping account or to charge by our side.
Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
The shopping cart will automatically calculate the shipping cost.
Delivery time: At the same day (Order deadline is 2pm, HK Time).
Delivery date: usually 2 to 7 working days.
It is unable to appoint a date of delivery.
Tracking number will be sent once your order has been shipped. (It may take up to 24 hours before carriers display the info.)

In Stock: 2378

Shipped from

HK warehouse

Expected Shipping Date

Aug 25 - Aug 29 2026

Pricing(USD)

Quantity	Unit Price	Ext. Price
1	~~$4.8300~~	~~$4.83~~
25	~~$4.4207~~	~~$110.52~~
100	~~$4.0053~~	~~$400.53~~

Current price of ATMEGA644A-MU is for reference only, if you want to get best price, please submit a inquiry or direct email to our sales team sales@Vigorcomp.com

Hot Products

MB90022PF-GS-239

IC MCU 16BIT 100QFP

MSP430G2313IPW20R

IC MCU 16BIT 4KB FLASH 20TSSOP

PIC32MX675F256L-80V/PT

IC MCU 32BIT 256KB FLASH 100TQFP

ATMEGA644A-MU

ATMEGA644A-MU

3628749

Pricing(USD)