DS1977

www.DataSheet4U.com Product Preview DS1977 32KB EEPROM iButton www.maxim-ic.com General Description The DS1977 is a 32Kbyte EEPROM in a rugged, iButton enclosure. Access to the memory can be password-protected with different passwords for readonly and full access. Data is transferred serially via the 1-Wire protocol, which requires only a single data lead and a ground return. Every DS1977 is factorylasered with a guaranteed unique 64-bit registration number that allows for absolute trace-ability. The durable stainless steel iButton package is highly resistant to environmental hazards such as dirt and shock. Accessories permit the DS1977 iButton to be mounted on almost any object, including containers, pallets and bags. Features 32KB EEPROM memory Durable, stainless-steel iButton package Built-in multi-drop controller ensures compatibility with other Dallas Semiconductor 1-Wire net products Unique factory lasered 64-bit registration number assures error free device selection and absolute part identity Supports Overdrive mode Operating range: 2.8V to 5.25V, -40 to +85°C Pin Configuration Applications Maintenance and Inspection of equipment Medical Information / Health Data Shuttle for Fleet Management and Vending applications 0.36 5.89 0.51 © 1993  16.25 RR YYWW REGISTERED Ordering Information Part DS1977-F5 Temp Range -40 to 85°C Pin-Pkg F5 iButton IO GND CC 21xx xx  15C000FBC52B 15C000FBC52B 1-Wire  17.35 F5 iButton DataSheet 4 U .com www.Da...