 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
DS1985 Datasheet(PDF) 1 Page - Dallas Semiconductor |
|
|
|||||||||||||||||||||||||||||
DS1985 Datasheet(HTML) 1 Page - Dallas Semiconductor |
|
|
1 / 25 page  1 of 25 090299 SPECIAL FEATURES § 16384 bits Electrically Programmable Read Only Memory (EPROM) communicates with the economy of one signal plus ground § EPROM partitioned into sixty-four 256-bit pages for randomly accessing packetized data records § Each memory page can be permanently write-protected 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 DS1985 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 +85°C COMMON iButton FEATURES § Unique, factory-lasered and tested 64-bit registration number (8-bit family code + 48- bit serial number + 8-bit CRC tester) assures absolute traceability because no two parts are alike § Multidrop controller for MicroLAN § Digital identification and information by momentary contact § Chip-based data carrier compactly stores information § Data can be accessed while affixed to object § Economically communicates to bus master with a single digital signal at 16.3k bits per second § Standard 16 mm diameter and 1-WireTM protocol ensure compatibility with iButton family § Button shape is self-aligning with cup- shaped probes § Durable stainless steel case engraved with registration number withstands harsh environments § Easily affixed with self-stick adhesive backing, latched by its flange, or locked with a ring pressed onto its rim § Presence detector acknowledges when reader first applies voltage § Meets UL#913 (4th Edit.); Intrinsically Safe Apparatus, Approved under Entity Concept for use in Class I, Division 1, Group A, B, C and D Locations (application pending) F3 MICROCAN TM F5 MICROCAN TM DS1985 16-kbit Add-Only iButton TM www.dalsemi.com DATA GROUND 0.36 0.51 3.10 c 1993 YYWW REGISTERED RR ED 0B 000000FBC52B 16.25 17.35 5.89 DATA GROUND 0.36 0.51 c 1993 YYWW REGISTERED RR 6D 0B 000000FBD8B3 16.25 17.35 All dimensions shown in millimeters. |
Similar Part No. - DS1985 |
|
Similar Description - DS1985 |
|
|
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
