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DS1644 |
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| Part Number | DS1644 |
| Manufacturer | Maxim Integrated (https://www.analog.com/) |
| Description | PIN PDIP PowerCap NAME 1 32 A14 2 30 A12 3 25 A7 4 24 A6 5 23 A5 6 22 A4 7 21 A3 8 20 A2 9 19 A1 10 18 A0 11 16 DQ0 12 15 DQ1 13 14 DQ2 14 17 GND 15 13 DQ3 16 12 DQ4 ... |
| 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 are Resident in the Eight Top RAM Locations. Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power 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 DS1644 Only (DIP Module) Upward Compatible with the DS1643 Timekeeping RAM to Achieve Higher RAM Density Standard ... |
| Document |
 DS1644 Data Sheet
PDF 209.95KB |
| Distributor | Stock | Price | Buy |
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| No. | Part # | Manufacture | Description | Datasheet |
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Dallas Semiconducotr |
Personal Computer Power FET |
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Dallas Semiconducotr |
Personal Computer Power FET |
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Maxim Integrated |
Nonvolatile Timekeeping RAM |
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Maxim Integrated Products |
Nonvolatile Timekeeping RAMs |
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Maxim Integrated Products |
Nonvolatile Timekeeping RAMs |
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Dallas Semiconducotr |
Nonvolatile Timekeeping RAM |
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Maxim Integrated |
Nonvolatile Timekeeping RAM |
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Dallas Semiconducotr |
Partitionable 1024K NV SRAM |
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Dallas Semiconducotr |
Partitionable 1024K NV SRAM |
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Maxim Integrated |
Nonvolatile Timekeeping RAM |
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