Ship from: HONGKONG
Date Code: Newest Date Code
Manufacturer lead time 6 weeks
| Internal Part Number | EIS-ATMEGA644-20PU | |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant | |
| Moisture Sensitivity Level (MSL) | ||
| 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 | |
| PCN Design/Specification | Copper Bonding Wire 17/Oct/2013 | |
| EDA / CAD Models | Download from Accelerated Designs | |
| Standard Package | 10 | |
| Category | Integrated Circuits (ICs) | |
| Family | Embedded - Microcontrollers | |
| Series | AVR® ATmega | |
| Packaging | Tube | |
| 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 | 40-DIP (0.600", 15.24mm) | |
| Supplier Device Package | 40-PDIP | |
| Weight | 0.001 KG | |
| Application | Email for details | |
| Alternative Part (Replacement) | ATMEGA644-20PU | |
| Related Links | ATMEGA6, ATMEGA644-20PU Datasheet, Atmel Distributor | |
![]() | C2102A.12.02 | HOOK-UP STRND 20AWG WHITE 100' | datasheet.pdf | |
![]() | PZC05DFEN | CONN HEADER .100 DUAL STR 10POS | datasheet.pdf | |
![]() | CS4299-JQZ | IC CODEC AC 97 W/SRC 48LQFP | datasheet.pdf | |
![]() | P3500ECLAP | SIDACTOR BI 320V 400A TO-92 | datasheet.pdf | |
![]() | GBM25DRUI | CONN EDGECARD 50POS DIP .156 SLD | datasheet.pdf | |
![]() | MAX933CUA+T | IC COMPARATOR W/REF 8-UMAX | datasheet.pdf | |
| RSMF12FT121R | RES MO 1/2W 121 OHM 1% AXIAL | datasheet.pdf | ||
![]() | KTU-3001 | FUSE 3001A 600V FAST CLASS L | datasheet.pdf | |
![]() | REC5-4809DRW/H/B/SMD-R | CONV DC/DC 5W 36-72VIN +/-09VOUT | datasheet.pdf | |
![]() | RLR05C1053FSB14 | RES 105K OHM 1% 1/8W AXIAL | datasheet.pdf | |
![]() | 420MXG270MEFCSN30X30 | CAP ALUM 270UF 20% 420V SNAP | datasheet.pdf | |
![]() | 1385413-3 | HDM 8SAPR120OV G | datasheet.pdf |