Datasheet Details
| Part number | DS1644LPM |
|---|---|
| Manufacturer | Dallas Semiconducotr |
| File Size | 105.54 KB |
| Description | Nonvolatile Timekeeping RAM |
| Datasheet |
 DS1644LPM Datasheet
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General Description
The DS1644L is a low profile module that requires a PLCC surface mountable socket a
Key Features
- Upward compatible with the DS1643AL Timekeeping RAM to achieve higher RAM density.
- Integrated NV SRAM, real time clock, crystal, power.
- fail control circuit and lithium energy source.
- Low profile socketable module.
- 255 mil package height.
- Clock registers are accessed identical 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.