
Items : %s%s
ATMEGA644A-AU
ATMEGA644A-AU
536-ATMEGA644A-AU
44-TQFP
64KB 32K x 16 FLASH AVR 8-Bit Microcontroller AVR® ATmega Series ATMEGA644A 44 Pin 20MHz 44-TQFP
In Stock : 999
Share
Please send RFQ, we will respond immediately.








Product Details
Purchasing and Inquiry
ATMEGA644A-AU Overview
The package is 44-TQFP-shaped. A total of 32 I/Os are on the Microcontroller. Surface Mount is the mounting type of the Microcontroller that is attached to the panel. This Microcontroller is based on the 8-Bit core. The type of program memory it uses is FLASH. Temperatures in the range of -40°C~85°C TA are operated by this Microcontroller. It is part of the AVR® ATmega series of electrical components. Having a size of 64KB 32K x 16, Microcontroller has a program memory of X bytes. With a AVR Core Processor, Microcontroller is fast and efficient. The IC chip fits into the MICROCONTROLLER, RISC uPs/uCs/Peripheral ICs category. During the manufacturing process, 44 terminations were applied to the IC chip. In addition, MCU chip comes with a 8-bit size. DMA channels number NO. 64kB memory size belongs to the part. Alternatives can be found by looking at the base part number ATMEGA644A. The efficiency of this device can be improved when operating at a frequency of 20MHz. The chip has 44 pins. It comes with 3 timers/counters that can be set up. The ADC channels on this device total 8 in number. As far as the PWM channel count is concerned, the device makes use of 6 channels. A total of 1 I2C channels have been integrated into the part. A total of 2 serial I/Os are incorporated into this part. There are 3 external interrupts included in this chip part.
ATMEGA644A-AU Features
44-TQFP package
Mounting type of Surface Mount
Microcontrollers subcategory
ATMEGA644A-AU Applications
There are a lot of Microchip Technology ATMEGA644A-AU Microcontroller applications.
- Medical instruments chromatographs
- Toys
- Telephone sets
- Speed meter
- Microwave ovens
- Toasters
- Smart instruments
- Televisions
- Walkie talkies
- Volt meter
You can send an inquiry by email, or add the item to the RFQ list and submit it to us.
Tell us the model and quantity you need, our sales staff will reply the price in time.
Email for receiving inquiries: jindawei@hkjdwchip.com
For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and wire transfer.
3. RFQ (Request for Quotations)It is recommended to request for quotations to get the latest prices and inventories about the part.
Our sales will reply to your request by email within 24 hours.
1. You'll receive an order information email in your inbox. (Please remember to check the spam folder if you didn't hear from us).
2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.
Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)
The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and country.
Currently, our products are shipped through DHL, FedEx, SF, and UPS.
Delivery TimeOnce the goods are shipped, estimated delivery time depends on the shipping methods you chose:
FedEx International, 5-7 business days.
The following are some common countries' logistic time.
Payment Method
The fee is charged according to the rule of PayPal. | |
East West Bank charge US$30.00 banking fee. | |
The fee is charged according to the rule of PayPal. | |
Western Union charge US$0.00 banking fee. |
Shipping
DHL(www.dhl.com) From $40.00 basic shipping fee depend on zone and country. |
|
UPS(www.ups.com) From $40.00 basic shipping fee depend on zone and country. |
|
FedEx(www.fedex.com) From $40.00 basic shipping fee depend on zone and country. |
|
Registered Mail(www.singpost.com) From $10.00 basic shipping fee depend on different zone and country. |
Package
![]() |
![]() |
![]() |
![]() |
![]() |
ATMEGA644A-AU
technical specifications, attributes, parameters and parts with similar specifications to ATMEGA644A-AU.
Hot Sales in Thermal
Parts with Similar Specs
The three parts on the right have similar specifications to Aavid.
-
ImagePart NameManufacturerHK JDW NOPackageStockDataSheet:Compare:
-
Microchip Technology536-PIC16F883-I/SO28-SOIC (0.295, 7.50mm Width)2-3 DaysAdd Compare
-
Microchip Technology536-PIC16F627A-I/SS20-SSOP (0.209, 5.30mm Width)2-3 DaysAdd Compare
-
Microchip Technology536-ATMEGA8515L-8AU44-TQFP2-3 DaysAdd Compare
-
Microchip Technology536-PIC18F46K20-I/PT44-TQFP2-3 DaysAdd Compare
-
Microchip Technology536-ATMEGA32A-AU44-TQFP2-3 Days-Add Compare
-
Microchip Technology536-PIC18F6722-I/PT64-TQFP2-3 DaysAdd Compare
-
Microchip Technology536-DSPIC30F6014A-30I/PF80-TQFP2-3 DaysAdd Compare
-
Microchip Technology536-ATMEGA128-16AU64-TQFP2-3 DaysAdd Compare
-
Microchip Technology536-PIC16F877-20I/PQ44-QFP2-3 DaysAdd Compare
-
Microchip Technology536-PIC16F876A-I/SS28-SSOP (0.209, 5.30mm Width)2-3 DaysAdd Compare
-
Microchip Technology536-PIC16F876-20/SP28-DIP (0.300, 7.62mm)2-3 DaysAdd Compare
-
Microchip Technology536-ATXMEGA128A1U-AU100-TQFP2-3 DaysAdd Compare
-
Microchip Technology536-PIC16F883-I/SS28-SSOP (0.209, 5.30mm Width)2-3 DaysAdd Compare
-
Microchip Technology536-ATMEGA8535L-8AU44-TQFP2-3 DaysAdd Compare
-
Microchip Technology536-PIC16F873-20I/SP28-DIP (0.300, 7.62mm)2-3 DaysAdd Compare
-
Microchip Technology536-PIC16F883-E/SS28-SSOP (0.209, 5.30mm Width)2-3 DaysAdd Compare
-
Microchip Technology536-ATMEGA32-16AU44-TQFP2-3 DaysAdd Compare
-
Microchip Technology536-PIC16F876-04I/SO28-SOIC (0.295, 7.50mm Width)2-3 DaysAdd Compare
-
Microchip Technology536-PIC16F684-I/ML16-VQFN Exposed Pad2-3 DaysAdd Compare