Datasheet Details
| Part number | DS1646 |
|---|---|
| Manufacturer | Maxim Integrated (Analog Devices) |
| File Size | 383.84 KB |
| Description | Nonvolatile Timekeeping RAM |
| Datasheet |
 DS1646 Datasheet
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Description
N.C.
Features
- Integrates 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 Toleran.