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    PC7071

    Abstract: uPC7071 uPD9901
    Text: SEC NEC Electronics Inc. Description The^PC7071L and^PC7072L are subscriber line inter­ face circuits SLICs LSIs for both PABX and central office. They provide battery feed to the subscriber line (B) and supervision (S) of the subscriber line (BSSLIC).


    OCR Scan     		PDF uPC7071L/72L PC7071L PC7072L //PD9901 /iPD9901 /JPC7071L) pPC7072L) PC7071L) /JPC7071L /PC7072L PC7071 uPC7071 uPD9901

    uPD9901

    Abstract: 9901l
    Text: SEC NEC Electronics Inc. Description The //PD9901L is a digital CODEC subscriber line inter­ face c ircu it SLIC LSI fo r both PABX and central office. It is used to provide three functions: 2-wire/4-wlre hybrid interfacing, coder-decoder, and supervision.


    OCR Scan     		PDF uPD9901L /PC7071L/7072L) JUPD9901L 7071U7072L) 7071L/7072L) 9901L 28-pin PD9901L uPD9901 9901l

    upc7072

    Abstract: uPC7071L
    Text: SEC NEC Electronics Inc. Description PC7071L/72L Bipolar, Analog Subscriber Line Interface Circuit n Ground-key detection and ground-fault protection with /iPD9901L The /PC7071L and pPC7072L are subscriber line inter­ face circuits (SLICs) LSIs for both PABX and central


    OCR Scan     		PDF uPC7071L uPC7072L /iPC7071L pPC7072L /PD9901 /iPD9901L) /uPC7071 /JPC7072L) fjPC7071L) /PC7071L upc7072