Ship from: HONGKONG
Date Code: Newest Date Code
Manufacturer lead time 6 weeks
| Internal Part Number | EIS-ATMEGA644-20AUR | |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant | |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | |
| Production Status (Lifecycle) | In Production | |
| Condition | New & Unused, Original Sealed | |
| Product Training Modules | megaAVR Introduction Software Framework (ASF) Example of Use Studio Introduction to Software Framework (ASF) Studio Development Environment Overview Part 1 | |
| Design Resources | Development Tool Selector | |
| Featured Product | Atmel - megaAVR Microcontrollers | |
| PCN Packaging | Tape and Reel Label Update 10/Feb/2015 | |
| EDA / CAD Models | Download from Accelerated Designs | |
| Standard Package | 2,000 | |
| Category | Integrated Circuits (ICs) | |
| Family | Embedded - Microcontrollers | |
| Series | AVR® ATmega | |
| Packaging | Tape & Reel (TR) | |
| 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) | 2.7 V ~ 5.5 V | |
| Data Converters | A/D 8x10b | |
| Oscillator Type | Internal | |
| Operating Temperature | -40°C ~ 85°C | |
| Package / Case | 44-TQFP | |
| Supplier Device Package | 44-TQFP (10x10) | |
| Weight | 0.001 KG | |
| Application | Email for details | |
| Alternative Part (Replacement) | ATMEGA644-20AUR | |
| Related Links | ATMEGA6, ATMEGA644-20AUR Datasheet, Atmel Distributor | |
![]() | MCP6031T-E/OT | IC OPAMP GP 10KHZ RRO SOT23-5 | datasheet.pdf | |
![]() | IL-S-13P-S2T2-EF | CONN HEADER 2.0MM 13POS TIN | datasheet.pdf | |
![]() | CLM1B-GKW-CVAXA7A3 | LED GREEN CLEAR 2SMD | datasheet.pdf | |
![]() | XC2VP30-6FF896I | IC FPGA 556 I/O 896FCBGA | datasheet.pdf | |
![]() | 431213-09-0 | Connector Barrier Block Strip 9 Circuit 0.438" (11.12mm) | datasheet.pdf | |
![]() | K221J15C0GF5UH5 | CAP CER 220PF 50V NP0 RADIAL | datasheet.pdf | |
![]() | VE-B1D-IX | CONVERTER MOD DC/DC 85V 75W | datasheet.pdf | |
![]() | VI-B14-MV-F2 | CONVERTER MOD DC/DC 48V 150W | datasheet.pdf | |
![]() | GQM22M5C2H2R7CB01L | CAP CER 2.7PF 500V NP0 1111 | datasheet.pdf | |
![]() | 84BB-1601-A | KEYPAD LEGEND | datasheet.pdf | |
![]() | ATS-10D-11-C1-R0 | HEATSINK 50X50X10MM XCUT | datasheet.pdf | |
![]() | 1N4150W-HE3-08 | DIODE GEN PURP 50V 200MA SOD123 | datasheet.pdf |