Maxim Integrated DS1982
1Kb Add-Only iButton
| Part No. | DS1982 |
|---|---|
| Datasheet | DS1982 Download |
| Manufacturer |  Maxim Integrated |
| Description | 1Kb Add-Only iButton |
| Buy | Stock & Price |
FEATURES
● 1024 bits Electrically Programmable ReadOnly Memory (EPROM) communicates with the economy of one signal plus ground● EPROM partitioned into four 256-bit pages for randomly accessing packetized data
● Each memory page can be permanently writeprotected to prevent tampering
● Device is an “add only” memory where additional data can be programmed into EPROM without disturbing existing data
● Architecture allows software to patch data by superseding an old page in favor of a newly programmed page
● Reduces control, address, data, power, and programming signals to a single data pin
● 8-bit family code specifies DS1982 communications requirements to reader
● Reads over a wide voltage range of 2.8V to 6.0V from -40°C to +85°C; programs at 11.5V to 12.0V from -40°C to +50°C ORDERING INFORMATION DS1982-F3+ F3 MicroCan DS1982-F5+ F5 MicroCan +Denotes a lead(Pb)-free/RoHS-compliant product. EXAMPLES OF ACCESSORIES DS9096P Self
