DS1644LPM - Nonvolatile Timekeeping RAM

Dallas Semiconducotr

Datasheet Details

Part number	DS1644LPM
Manufacturer	Dallas Semiconducotr
File Size	105.54 KB
Description	Nonvolatile Timekeeping RAM
Datasheet	DS1644LPM_DallasSemiconducotr.pdf

The DS1644L is a low profile module that requires a PLCC surface mountable socket a

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.

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Published: Nov 11, 2005 |