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Partial File Text SHARP LR4803/LR4803N/LR4803U LR4S03/LR4S03N/LR4803U DESCRIPTION The LR4803/LR4803N/LR4803U are CMOS pulse/tone dialer LSI providing 18-digit x 10channel memory including a redial memory. 18-P
Datasheet Type Scan
RoHS No
Pb Free Unknown
Lifecycle Obsolete

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dtmf phone dialer inverters circuit diagram LR4803 LR4803U