Ship from: HONGKONG
Date Code: Newest Date Code
Manufacturer lead time 6 weeks
| Internal Part Number | EIS-ATMEGA644-20AU | |
| 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 | MCU Product Line Introduction 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 | |
| EDA / CAD Models | Download from Accelerated Designs | |
| Standard Package | 160 | |
| Category | Integrated Circuits (ICs) | |
| Family | Embedded - Microcontrollers | |
| Series | AVR® ATmega | |
| Packaging | Tray | |
| 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) | ATMEGA644-20AU | |
| Related Links | ATMEGA6, ATMEGA644-20AU Datasheet, Atmel Distributor | |
![]() | 126-93-320-41-002000 | CONN IC DIP SOCKET 20POS GOLD | datasheet.pdf | |
![]() | PIC18F4221-I/P | IC MCU 8BIT 4KB FLASH 40DIP | datasheet.pdf | |
![]() | GCB20DHAS | CONN EDGECARD 40POS R/A .050 SLD | datasheet.pdf | |
![]() | 1505R1C2.75 | FUSE M/V R-RATED 5R 2.75KV | datasheet.pdf | |
![]() | EN4DSC36328SS | BOX S STEEL NATURAL 36"L X 32"W | datasheet.pdf | |
![]() | V110B28C150B2 | CONVERTER MOD DC/DC 28V 150W | datasheet.pdf | |
![]() | 1803300003 | LED ARRAY HOLDER W/ COVER | datasheet.pdf | |
![]() | EXC450TNX | ANT TWO-WAY 450-470MHZ 1/4W TNX | datasheet.pdf | |
![]() | 323-87-137-41-001101 | Connector Socket 37 Position 0.100" (2.54mm) Gold Through Hole | datasheet.pdf | |
![]() | ATS-04H-175-C2-R0 | HEATSINK 35X35X10MM R-TAB T766 | datasheet.pdf | |
![]() | 73325-311LF | CONN MOD JACK | datasheet.pdf | |
![]() | 2079724-1 | POWER SUPPLY, DESKTOP, SINGLE | datasheet.pdf |