| Part Number | DS1556 |
| Manufacturer | Dallas Semiconducotr |
| Title | Y2K-Compliant Timekeeping RAM |
| Description | A0–A16 - Address Input DQ0–DQ7 IRQ/FT RST CE OE WE - Data Input/Outputs - Interrupt, Frequency Test Output (Open Drain) - Power-On Reset Outpu... |
| Features |
Integrated NV SRAM, Real-Time Clock (RTC), Crystal, Power-Fail Control Circuit, and Lithium Energy Source Clock Registers are Accessed Identically to the Static RAM; These Registers Reside in the 16 Top RAM Locations Century Byte Register (i.e.... |
| Published | Sep 21, 2005 |
| Datasheet |
 DS1556 PDF File
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