ATMEGA644-20AU | Microchip
AVR microcontroller, 8 bit, 20 MHz, TQFP-44, ATMEGA644-20AU
Unit Price (€ / pc.)
6.664 € *
Available: 4,531 pcs.
Available in 5 Days: 2,615 pcs. - if ordered today
CMOS 8-bit microcontroller, ATMEGA644-20AU, ATMEL
The ATMEGA644-20AU is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, it achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.
Features
- Advanced RISC architecture
- High endurance non-volatile memory segments
- Real time counter with separate oscillator
- Programmable serial USART
- External and internal interrupt sources
Technical specifications
| Filter | Property | Value |
|---|---|---|
| Memory size | 64 KB | |
| Clock frequency | 20 MHz | |
| Number of I/Os | 32 | |
| Processor core | AVR | |
| Core Size | 8 bit | |
| max. operating temperature | 85 °C | |
| Number of pins | 44 | |
| min. operating temperature | -40 °C | |
| Voltage | 2.7-5.5 V | |
| Version | flash | |
| Assembly | SMD | |
| Enclosure | TQFP-44 | |
| Data RAM Size | 4 KB |
Download
Logistics
| Property | Value |
|---|---|
| Country of origin | US |
| Original Packaging | Tray with 160 pieces |
| MSL | MSL 3 |
| Customs tariff number | 85423190 |
Compliance
| Property | Value |
|---|---|
| Date of RoHS guidelines | 3/31/15 |
| SVHC free | Yes |
| RoHS conform | Yes |