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DP8573A

Part Number	DP8573A
Manufacturer	National Semiconductor
Description	Real Time Clock (RTC)
Published	Nov 23, 2005
Detailed Description	DP8573A Real Time Clock (RTC) May 1993 DP8573A Real Time Clock (RTC) General Description The DP8573A is intended for u...
Datasheet	DP8573A PDF File

Overview

DP8573A Real Time Clock (RTC) May 1993 DP8573A Real Time Clock (RTC) General Description The DP8573A is intended for use in microprocessor based systems where information is required for multi-tasking data logging or general time of day date information This device is implemented in low voltage silicon gate microCMOS technology to provide low standby power in battery back-up environments The circuit’s architecture is such that it looks like a contiguous block of memory or I O ports organized as one block of 32 bytes This includes the Control Registers the Clock Counters the Alarm Compare RAM and the Time Save RAM Time and date are maintained from 1 100 of a second to year and leap year in ...

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