| Part Number | DS1543 |
| Manufacturer | Dallas Semiconducotr |
| Title | 64k NV Timekeeping RAM |
| Description | A0-A12 - Address Input DQ0-DQ7 - Data Input/Outputs IRQ \FT - Interrupt, Frequency Test Output (Open-Drain) RST - Power-On Reset Output (Ope... |
| Features |
Integrated NV SRAM, real time clock, crystal, power-fail control circuit and lithium energy source Clock registers are accessed identical to the static RAM. These registers are resident in the sixteen top RAM locations Totally nonvolatile with over 1...
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| Datasheet |
 DS1543 Datasheet
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