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    LR4809

    Abstract: LR4809N
    Text: LR4809/ LR4809N SHARP LR4809/LR4809N Pulse/Tone Dialer for Binary Code Input PIN CONNECTIONS DESCRIPTION The LR4809/LR4809N are CMOS p u lse /to n e dialer LSI which use 4 -b it serial BCD data in place of standard keyboard inputs, and outputs standard DTMF tones. It can be directly inter­


    OCR Scan     		LR4809/ LR4809N LR4809/LR4809N lr4809 LR4809 PDF

    LR4809

    Abstract: No abstract text available
    Text: LR4809/LR4809N SHARP LR4809/LR4809N DESCRIPTION The LR4809/LR4809N are CMOS p ulse/ton e dialer LSI which use 4 -b it serial BCD data in place of standard keyboard inputs, and outputs standard DTMF tones. It can be directly inter­ faced witha microprocessor for external control


    OCR Scan     		LR4809/LR4809N LR4809/LR4809N 16-PIN LR4809 LR4809 PDF