ATMEGA644-20AU Microcontrollers - MCU by Microchip Technology
Newer Device Available ATMEGA644A
| Status: | Active |
|---|---|
| Series: | ATmega644 |
| RoHS: | Compliant |
Where to Buy
Prices starting from US$4.77
| Distributor | Stock | ||
|---|---|---|---|
|
Microchip Technology
from US$4.99
|
2,010
in stock
|
Buy Now |
|
Schukat Electronic
from US$12.26
|
1,405
in stock
|
Buy Now |
|
RS
from US$5.72
|
144
in stock
|
Buy Now |
|
Micros
from US$4.77
|
40
in stock
|
Buy Now |
|
Newark Electronics
from US$7.07
|
31
in stock
|
Buy Now |
|
TME
from US$6.23
|
31
in stock
|
Buy Now |
|
Farnell
from US$6.49
|
31
in stock
|
Buy Now |
|
ECOM
from US$7.54
|
5
in stock
|
Buy Now |
|
Conrad
from US$7.14
|
3
in stock
|
Buy Now |
|
Future Electronics
from US$6.05
|
0
in stock
|
Buy Now |
|
Avnet America
from US$6.05
|
0
in stock
|
Buy Now |
|
Buerklin
from US$14.63
|
0
in stock
|
Buy Now |
|
EBV Elektronik
-
|
0
in stock
|
Buy Now |
|
Avnet Silica
-
|
0
in stock
|
Buy Now |
| Buy Now |
Specifications
| Program Memory Type | Flash |
|---|---|
| Program Memory Size (KB) | 64 |
| CPU Speed (MIPS/DMIPS) | 20 |
| Data EEPROM (bytes) | 2048 |
| Capture/Compare/PWM (CCP) | 1 |
| Max 8 Bit Digital Timers | 2 |
| Number of ADCs | 0 |
| ADC Channels | 8 |
| Max ADC Resolution (bits) | 10 |
| Number of Comparators | 1 |
| Temp. Range Min. | -40 |
| Temp. Range Max. | 85 |
| Operation Voltage Max.(V) | 5.5 |
| Operation Voltage Min.(V) | 1.8 |
| Pin Count | 44 |
| Low Power | No |
| Pins | Packaging | 44 | TQFP |
| Temp Range | -40C to +85C |
| Packing Media | Tray (160) |
Last 6 months Inventory & Pricing History
Resources
Board Design Files |
|---|
| ATmega644 IBIS Model |
Reference Manuals |
|---|
| AVR Instruction Set Manual |
Supporting Collateral |
|---|
| Differential and Single-Ended ADC |
Environmental Information
| JEDEC Indicator | e3 |
|---|---|
| ROHS | Compliant |
| China EFUP | Compliant |
| Device Weight (g) | 0.2733 |
| Shipping Weight (kg) | 1.1875 |
| Lead Count | 44 |
| Package Type | TQFP |
| Package Width or Size | 10x10x1mm |
| Soldering Composition | Matte Tin |
Alternative Descriptions
| 20MHZ, TQFP, IND TEMP, GREEN, 5V | Microchip Technology |
| MC 8bit 2,7V 64kB Flash 20MHz TQFP44 | Schukat Electronic |
| Microchip ATMEGA644-20AU Microcontroller | RS |
| 64kB-FL 4kB-RAM 2kB-EE 32I/O 2.7÷5.5V 20MHz 3xtimer 8A/D UART SPI TWI -40÷85°C | Micros |
| Mcu, 8Bit, Atmega, 20Mhz, Tqfp-44 | Newark Electronics |
| IC: AVR microcontroller | TME |
| MCU, 8BIT, ATMEGA, 20MHZ, TQFP-44 | Farnell |
| MCU, Flash 64K, EEPROM 2K, RAM 4K, I/O 32, 2.7/5.5V | ECOM |
| Microchip Technology ATMEGA644-20AU Embedded-Mikrocontroller TQFP-44 (10x10) 8-Bit 20 MHz Anzahl I/O 32 | Conrad |
| ATmega Series 64 KB Flash 4 KB SRAM 20 MHz 8-Bit Microcontroller - TQFP-44 | Future Electronics |
| MCU 8-Bit ATmega AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP | Avnet America |
| AVR Mikrocontroller, 8 bit, 20 MHz, TQFP-44, ATMEGA644-20AU | Buerklin |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a ATMEGA644-20AU?
Additional datasheets, footprints and schematics for ATMEGA644-20AU are listed on our Part Details page. You can also find images and similar parts to ATMEGA644-20AU on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for ATMEGA644-20AU on our Product Comparison page. Access via the 'View Pricing & Stock' button to view ATMEGA644-20AU price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does ATMEGA644-20AU fall under?
The ATMEGA644-20AU is listed under Semiconductors - ICs > Microcontrollers - MCU > 8 Bit Microcontrollers - MCU.
Can I view similar or alternative parts?
You can view similar parts to ATMEGA644-20AU when available in the 8 Bit Microcontrollers - MCU range under the specifications section at the bottom of the details page.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the ATMEGA644-20AU you can contact the distributor directly for product support, shipping queries etc.
Is the ATMEGA644-20AU RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Microchip Technology.
Which authorised distributors for ATMEGA644-20AU have stock available?
Authorised distributors including Microchip Technology, Schukat Electronic, RS, Micros and Newark Electronics have stock available or on a lead time for ATMEGA644-20AU.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for ATMEGA644-20AU often in real-time on the comparison pages.
What if I can't find stock of ATMEGA644-20AU?
You can fill out our help required form which you can use to request a quote for ATMEGA644-20AU from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.