MM74HC942 - MM74HC942 is a full duplex low speed modem

Product Overview

National

Datasheet Details

Part number	MM74HC942
Manufacturer	National
File Size	146.60 KB
Description	MM74HC942 is a full duplex low speed modem
Datasheet	MM74HC942 Datasheet
Additional preview pages of the MM74HC942 datasheet.

Product details

Description

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 are used to perform analog signal processing MODULATOR SECTION The modulator contains a frequency synthesizer and a sine wave synthesizer It produces a phase coherent frequency shift keyed (FSK) output

Features

Y Y Y Y Y Y Y Y Y Y Drives 600X at 0 dBm All filters on chip Transmit level adjustment compatible with universal service order code TTL and CMOS compatible logic All inputs protected against static damage g 5V supplies Low power consumption Full duplex answer or originate operation Analog loopback for self test Power down mode.

📁 Similar Datasheet

MM74HC00 - Quad 2-Input NAND Gate (ON Semiconductor)
MM74HC02 - Quad 2-Input NOR Gate (Fairchild)
MM74HC04 - Hex Inverter (Fairchild)
MM74HC08 - Quad 2-Input AND Gate (Fairchild)
MM74HC112 - Dual J-K Flip-Flop (National Semiconductor)
MM74HC123A - Dual Retriggerable Monostable Multivibrator (National Semiconductor)
MM74HC125 - 3-STATE Quad Buffers (Fairchild)
MM74HC126 - 3-STATE Quad Buffers (Fairchild Semiconductor)

Other Datasheets by National

MM74HC11 - Triple 3-Input AND Gate
MM74HC245A - Octal TRI-STATE Transceiver
MM74HC299 - 8-Bit TRI-STATE Universal Shift Register
MM74HC365 - Hex TRI-STATE Buffer Inverting Hex TRI-STATE Buffer Hex TRI-STATE Buffer Inverting Hex TRI-STATE Buffer
MM74HC366 - Hex TRI-STATE Buffer Inverting Hex TRI-STATE Buffer Hex TRI-STATE Buffer Inverting Hex TRI-STATE Buffer
MM74HC367 - Hex TRI-STATE Buffer Inverting Hex TRI-STATE Buffer Hex TRI-STATE Buffer Inverting Hex TRI-STATE Buffer

Published: May 9, 2005 |