MC145442 modem equivalent, single-chip 300-baud modem.
de. (See Tables 1 and 2 and Figures 4c and 4d.) When LB is connected to analog ground (VAG), the modulator generates an echo cancellation tone of 2100 Hz for MC145442 CCI.
Information.) TxD Transmit Data (Pin 11) Binary information is input to the transmit data pin. Data entered for transmis.
ABSOLUTE MAXIMUM RATINGS (Voltages Referenced to VSS)
Rating Supply Voltage DC Input Voltage DC Output Voltage Clamp Diode Current, per Pin DC Output Current, per Pin Power Dissipation Operating Temperature Range Storage Temperature Range Symbol VD.
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