Datasheet Details
| Part number | DS1558 |
|---|---|
| Manufacturer | Dallas Semiconducotr |
| File Size | 298.76 KB |
| Description | Watchdog Clock |
| Datasheet |
 DS1558 Datasheet
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General Description
N.C.
Address Inputs for Address Decode.
Key Features
- Integrated Real-Time Clock (RTC), PowerFail Control Circuit, and NV RAM Controller.
- Clock Registers are Accessed Identically to the Static RAM; These Registers are Resident in the 16 Top RAM Locations.
- Century Register.
- Greater than 10 Years of Timekeeping and Data Retention in the Absence of Power with Small Lithium Coin Cell(s) and Low-Leakage SRAM.
- Precision Power-On Reset.
- Programmable Watchdog Timer and RTC Alarm.
- BCD-Coded Year, Month, Date, Day, Hours,.