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74VHC943

Features: ·5V supply·Drives 600X at b9 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·Low power consumption·Full duplex answer or originate operation·Analog loopback for self te...

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SeekIC No. : 004251901 Detail

74VHC943: Features: ·5V supply·Drives 600X at b9 dBm·All filters on chip·Transmit level adjustment compatible with universal service order code·TTL and CMOS compatible logic·All inputs protected against stati...

74VHC943 Data Sheet

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Part Number:
74VHC943
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/21

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Product Details

Description



Features:

·5V supply
·Drives 600X at b9 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
·Low power consumption
·Full duplex answer or originate operation
·Analog loopback for self test
·Power down mode
·Direct Pin and function replacement for the 74HC943


Application

·Built-in low speed modems
·Remote data collection
·Radio telemetry
·Credit verification
·Stand-alone modems
·Point-of-sale terminals
·Tone signaling systems
·Remote process control


Pinout

Connection Diagram


Specifications

Supply Voltage (VCC).........   -0.5 to +7.0V
DC Input Voltage (VIN) .......-1.5 to VCC+1.5V
DC Output Voltage (VOUT) .....-0.5 to VCC+0.5V
Clamp Diode Current (IIK, IOK) .......  ±20 mA
DC Output Current, per pin (IOUT) ......±25 mA
DC VCC or GND Current, per pin (ICC) .... ±50 mA
Storage Temperature Range (TSTG) .  -65 to +150
Power Dissipation (PD)
   (Note 3) ...................600 mW
   S.O. Package only ..............500 mW
Lead Temp. (TL) (Soldering 10 seconds) ....  260


Description

The 74VHC943 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 74VHC943 utilizes advanced silicon-gate CMOS technology. Switched capacitor techniques are used to perform
analog signal processing.




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