- Part: HMNR328D
- Description: TIMEKEEPER NVSRAM
- Manufacturer: Hanbit Electronics
- Size: 328.64 KB
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HMNR328D Key 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)
- HMNR328D : VCC = 4.5 to 5.5V 4.2V ≤ VPFD ≤ 4.5V
- HMNR328DV: VCC = 3.0 to 3.6V 2.7V ≤ VPFD ≤ 3.0V
- CONVENTIONAL SRAM OPERATION : UNLIMITED WRITE CYCLES
- SOFTWARE CONTROLLED CLOCK CALIBRATION FOR HIGH ACCURACY
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