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DS1643 |
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| Part Number | DS1643 |
| Manufacturer | Maxim Integrated (https://www.analog.com/) Products |
| Description | PDIP 1 2 3 4 5 6 7 8 9 10 21 23 24 25 11 12 13 15 16 17 18 19 20 22 26 27 28 — 14 — PIN PowerCap 1, 2, 3, 31–34 30 25 24 23 22 21 20 19 18 28 29 27 26 16 15 14 13 12 11 10 9 8 7 — 6 5 4 17 NAME N.C. A... |
| Features |
Integrated NV SRAM, Real-Time Clock, Crystal, Power-Fail Control Circuit and Lithium Energy Source Clock Registers are Accessed Identically to the Static RAM. These Registers Reside in the Eight Top RAM Locations. Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power Access Times of 85ns and 100ns BCD-Coded Year, Month, Date, Day, Hours, Minutes, and Seconds with Leap Year Compensation Valid Up to 2100 Power-Fail Write Protection Allows for ±10% VCC Power Supply Tolerance Lithium Energy Source is Electrically Disconnected to Retain Freshness Until Power is A... |
| Document |
 DS1643 Data Sheet
PDF 254.49KB |
| Distributor | Stock | Price | Buy |
|---|
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | DS1640 |
Dallas Semiconducotr |
Personal Computer Power FET |
|
| 2 | DS1640C |
Dallas Semiconducotr |
Personal Computer Power FET |
|
| 3 | DS1642 |
Maxim Integrated |
Nonvolatile Timekeeping RAM |
|
| 4 | DS1643P |
Maxim Integrated Products |
Nonvolatile Timekeeping RAMs |
|
| 5 | DS1644 |
Maxim Integrated |
Nonvolatile Timekeeping RAM |
|