74HC942N_NationalSemiconductor.pdf
Datasheet Details
Part number:
74HC942, 74HC942N
Manufacturer:
National Semiconductor
File Size:
Direct Link
Description:
Full duplex low speed modem.
Note:
This datasheet PDF includes multiple part numbers: 74HC942, 74HC942N.
Please refer to the document for exact specifications by model.
74HC942, 74HC942N, full duplex low speed modem
The MM74HC942 is a full duplex low speed modem It provides a 300 baud bidirectional serial interface for data communication over telephone lines and other narrow bandwidth channels It is Bell 103 compatible The MM74HC942 utilizes advanced silicon-gate CMOS technology Switched capacitor techniques ar
74HC942 Features
* Y Y Y Y Y Y Y Y Y Y www.DataSheet4U.com MODULATOR SECTION The modulator contains a frequency synthesizer and a sine wave synthesizer It produces a phase coherent frequency shift keyed (FSK) output LINE DRIVER AND HYBRID SECTION The line driver and hybrid are designed to facilitate connection to a
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