CMOS MSI

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DUAL TONE MULTIPLE FREQUENCY LINE INTERFACE

Dual Tone Multiple Frequency Line Interface The MC145740 is a silicon gate HCMOS LSI designed for general purpose Dual Tone Multiple Frequency (DTMF) communications, and contains a DTMF signal generator and a receiver for all 16 standard digits. The generator block has a differential line driver

文件：144.73 Kbytes 页数：12 Pages

Motorola

摩托罗拉

V.21/V.23 TELEMETER MODEM

V.21/V.23 Telemeter Modem The MC145745 is a selectable modem chip compatible with ITU V.21 (300 baud full duplex asynchronous) and V.23 mode 2 (1200 baud half duplex asynchronous). The built–in differential line driver has the capability of driving 0 dBm into a 600 Ω load with a 5 V single power

文件：175.91 Kbytes 页数：16 Pages

Motorola

摩托罗拉

V.21/V.23 TELEMETER MODEM

V.21/V.23 Telemeter Modem The MC145745 is a selectable modem chip compatible with ITU V.21 (300 baud full duplex asynchronous) and V.23 mode 2 (1200 baud half duplex asynchronous). The built–in differential line driver has the capability of driving 0 dBm into a 600 Ω load with a 5 V single power

文件：175.91 Kbytes 页数：16 Pages

Motorola

摩托罗拉

Dual Mode 300- and 1200-Baud V.21 and V.23 Single-Chip Modem

Overview MC145745 removed from active portfolio. Possible replacement part: none.The MC145745 is a selectable modem chip compatible with ITU V.21 (300 baud full duplex asynchronous) and V.23 mode 2 (1200 baud half duplex asynchronous). The built-in differential line driver has the capability of driv \n\t•Conforms to ITU V.21 and V.23 Recommendations\n\t•DTMF Generator and Receiver for all 16 Standard Digits\n\t•Capable of Driving 0 dBm into a 600 ohm Load (VCC = 5 V)\n\t•Automatic Gain Control (AGC) Amplifier for the DTMF Receiver\n\t•Call-Progress Tone Detector\n\t•Four-Wire Serial Data Interf;

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V.21/V.23 TELEMETER MODEM

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