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    upd4991a

    Abstract: IC-3309
    Text: IJAiü Silbbi MOS Integrated Circuit ¿¿PD 4 9 9 1 A 4-BIT PARALLEL I/O CALENDAR CLOCK The /¿PD4991A is a CMOS integrated circuit that has the ability to input/output 4-bit parallel tim e data and calendar data to/from a microcomputer and includes an alarm function.


    OCR Scan     		uPD4991A /iPD4991A PD4991. 24-hour S60-00-1 VP15-00-2 IR35-00-2 tPD4991 IC-3309 PDF

    upd4991

    Abstract: D4991A
    Text: MOS Integrated Circuit r / / P D 4 9 9 1 A 4-BIT PARALLEL I/O CALENDAR CLOCK The /iPD4991A is a CMOS in te g ra te d c irc u it th a t has th e a b ility to in p u t/o u tp u t 4 -b it p a ra lle l tim e data and calendar data to /fro m a m icro co m p u te r and inclu d es an alarm fu n c tio n .


    OCR Scan     		/iPD4991A D4991A /iPD4991. WS60-00-1 PD4991 upd4991 PDF