Ship from: HONGKONG
Date Code: Newest Date Code
Manufacturer lead time 6 weeks
| Internal Part Number | EIS-ATMEGA644PA-AU | |
| 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) | 1.8 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) | ATMEGA644PA-AU | |
| Related Links | ATMEGA6, ATMEGA644PA-AU Datasheet, Atmel Distributor | |
![]() | SN74ACT00PWR | IC GATE NAND 4CH 2-INP 14-TSSOP | datasheet.pdf | |
![]() | SMAJ120C | TVS DIODE 120VWM 202.65VC SMA | datasheet.pdf | |
![]() | RSC35DRTH | CONN EDGECARD 70POS DIP .100 SLD | datasheet.pdf | |
![]() | FRM50SJR-52-33R | RES 33 OHM 1/2W 5% AXIAL | datasheet.pdf | |
![]() | 10552 | FLOOR FINISH 55 GAL | datasheet.pdf | |
![]() | PEC12-2220F-S0024 | ENCODER ROTARY | datasheet.pdf | |
![]() | 68488-410HLF | HEADER BERGSTIK | datasheet.pdf | |
![]() | MS3470A12-10B | CONN HSG RCPT 10POS WALL MNT SKT | datasheet.pdf | |
![]() | L17RRD1F0110K | DSUB SCKT RR RELEASE CNTCT | datasheet.pdf | |
![]() | NTSA-CAT5E | IN-LINE DIN CAT5E SURGE ARRESTER | datasheet.pdf | |
![]() | RD16A18-23-S6-00 | RD/HF CONNECTORS | datasheet.pdf | |
![]() | CTV07RF-9-9SA | HD 38999 9C 9#23 SKT RECP | datasheet.pdf |