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Partname: | MM58174 |
Description: | Microprocessor-Compatible Real-Time Clock |
Manufacturer: | National Semiconductor |
Datasheet: | PDF (130K). Click here to download *) |
The MM58174A is a low-threshold metal-gate CMOS circuit that functions as a real-time clock and calendar in bus-oriented microprocessor systems The device includes an interrupt timer which may be programmed to one of three times Timekeeping is maintained down to 2 2V to allow low power standby battery operation The timebase is generated from a 32768 Hz crystal-controlled oscillator |
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Click here to download MM58174 Datasheet*) |
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