Datasheet Details
Part number:
HMNR28DV, HMNR28V
Manufacturer:
Hanbit Electronics
File Size:
297.62 KB
Description:
Timekeeper nvsram.
Note:
This datasheet PDF includes multiple part numbers: HMNR28DV, HMNR28V.
Please refer to the document for exact specifications by model.
HMNR28DV, HMNR28V, TIMEKEEPER NVSRAM
The HMNR28D(V) TIMEKEEPER SRAM is a 2Kb x 8 non-volatile static RAM and real time clock organized as 2,048 words by 8 bits.
The special DIP package provides a fully integrated battery back-up memory and real time clock solution.
The HMNR28D(V) directly replaces industry standard 2Kbit x 8 SRAMs.
It
HMNR28DV Features
* INTEGRATED LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT, BATTERY and CRYSTAL
* BCD CODED YEAR, MONTH, DAY, DATE, HOURS, MINUTES, and SECONDS
* AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION VOLTAGES : (VPFD = Power-fail Deselect Voltage)
* HMNR28D : VCC
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