PD4992IS Search Results

application of microprocessor in aircrafts

Abstract: NEC 20PIN DIP
Text: PRELIMINARY DATA SHEET MOS INTEGRATED CIRCUIT «PD4992 8-Bit Parallel I/O Calendar Clock The /¿PD4992is a CMOS integrated circuit which outputs 8-bit parallel time and calendar data in a system in which a microprocessor is employed. The ¿¿PD4992 operates at 32.768 kHz and provides year, month, day of month, day