Specifications
ATMEGA644-20MU Tech Specifications
Atmel - ATMEGA644-20MU technical specifications, attributes, parameters and parts with similar specifications to Atmel - ATMEGA644-20MU
| Product Attribute |
Attribute Value
| |
| Manufacturer |
Atmel |
|
| Voltage - Supply (Vcc/Vdd) |
2.7V ~ 5.5V |
|
| Supplier Device Package |
44-VQFN (7x7) |
|
| Speed |
20MHz |
|
| Series |
AVR® ATmega |
|
| RAM Size |
4K x 8 |
|
| Program Memory Type |
FLASH |
|
| Program Memory Size |
64KB (32K x 16) |
|
| Peripherals |
Brown-out Detect/Reset, POR, PWM, WDT |
|
| Package / Case |
44-VFQFN Exposed Pad |
|
| Package |
Bulk |
|
| Product Attribute |
Attribute Value
| |
| Oscillator Type |
Internal |
|
| Operating Temperature |
-40°C ~ 85°C (TA) |
|
| Number of I/O |
32 |
|
| Mounting Type |
Surface Mount |
|
| EEPROM Size |
2K x 8 |
|
| Data Converters |
A/D 8x10b |
|
| Core Size |
8-Bit |
|
| Core Processor |
AVR |
|
| Connectivity |
I²C, SPI, UART/USART |
|
| Base Product Number |
ATMEGA644 |
|
Shipment
Delivery Time
In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.
Delivery Cost
- Use your express account for shipment if you have one.
- Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)
Delivery Method
- Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
- Others more shipping ways, please get in touch with your customer manager.
| Common Countries Logistic Time Reference |
| Region |
Country |
Logistic Time(Day) |
| America |
United States |
5 |
| Brazil |
7 |
| Europe |
Germany |
5 |
| United Kingdom |
4 |
| Italy |
5 |
| Oceania |
Australia |
6 |
| New Zealand |
5 |
| Asia |
India |
4 |
| Japan |
4 |
| Middle East |
Israel |
6 |
| DHL & FedEx Shipment Charges Reference |
| Shipment charges(KG) |
Reference DHL(USD$) |
| 0.00kg-1.00kg |
USD$30.00 - USD$60.00 |
| 1.00kg-2.00kg |
USD$40.00 - USD$80.00 |
| 2.00kg-3.00kg |
USD$50.00 - USD$100.00 |
- Note:
- The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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