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Partname: | BQ4830Y |
Description: | RTC Module With 32Kx8 NVSRAM |
Manufacturer: | Texas Instruments |
Datasheet: | PDF (848K). Click here to download *) |
The clock registers are dual-port read/write SRAM locations that are updated once per second by a clock control circuit from the internal clock counters. The dual-port registers allow clock updates to occur without interrupting normal access to the rest of the SRAM array. The bq4830Y also contains a power fail-detect circuit. The circuit deselects the device whenever VCC falls below tolerance, providing a high degree of data security. The battery is electrically isolated when shipped from the factory to provide maximum battery capacity. The battery remains disconnected until the first application of VCC. |
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Click here to download BQ4830Y Datasheet*) |
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