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    T9242AL

    Abstract: 9242A
    Contextual Info: HOLTEK r n r ^ Features • • • • • • • • • • HT9242A/B/A L/BL/CL/DL 12-Memory Tone/Pulse Dialer Patent Number: 86474,113235 R.O.C. , 5424740(U.S.A.) • • • • • • • • • • U n iv e rsa l specification O p e ra tin g voltage: 2.0V~5.5V


    OCR Scan     		ht9242a/b/a12-memoryht9242a/b/al/bl/cl/dl139pf+4ht16xxht381xxt9242al9242a PDF

    keypad Encoder IC 5x5 matrix

    Abstract: keyboard CIRCUIT diagram
    Contextual Info: HOLTEK H T Features • • • • • • • • • • HT9242A/B/AL/BL/CL/DL 12-Memory Tone/Pulse Dialer Patent Number: 86474, 113235 R.O.C. , 5424740(U.S.A.) U n iversal specification O perating voltage: 2.0V~5.5V Low stan dby current Low m emory retention current: O.ljiA (Typ.)


    OCR Scan     		ht9242a/b/al/bl/cl/dl12-memory58mhzht9242+3ht9242a/b/akeypad encoder ic 5x5 matrixkeyboard circuit diagram PDF