DS1644LPM
DS1644LPM Nonvolatile Timekeeping RAM
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....
