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SN75138D

Quadruple Bus Transceiver

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SN75138D General Description

The SN55138 and SN75138 quadruple bus transceivers are designed for two-way data communication over single-ended transmission lines. Each of the four identical channels consists of a driver with TTL inputs and a receiver with a TTL output. The driver open-collector output is designed to handle loads up to 100-mA open collector. The receiver input is internally connected to the driver output, and has a high impedance to minimize loading of the transmission line. Because of the high driver-output current and the high receiver-input impedance, a very large number (typically hundreds) of transceivers may be connected to a single data bus.

The receiver design also features a threshold of 2.3 V (typical), providing a wider noise margin than would be possible with a receiver having the usual TTL threshold. A strobe turns off all drivers (high impedance) but does not affect receiver operation. These circuits are designed for operation from a single 5-V supply and include a provision to minimize loading of the data bus when the power-supply voltage is zero.

The SN55138 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN75138 is characterized for operation from 0°C to 70°C.

Texas Instruments, Inc Inventory

Key Features

  • Single 5-V Supply
  • High-Input-Impedance, High-Threshold Receivers
  • Common Driver Strobe
  • TTL-Compatible Driver and Strobe Inputs With Clamp Diodes
  • High-Speed Operation
  • 100-mA Open-Collector Driver Outputs
  • Four Independent Channels
  • TTL-Compatible Receiver Output
Texas Instruments, Inc Original Stock
Texas Instruments, Inc Inventory

Specifications

Category Integrated Circuits (ICs)InterfaceDrivers, Receivers, Transceivers Mfr Texas Instruments
Series - Package Tube
Product Status Active Type Transceiver
Protocol - Number of Drivers/Receivers 4/4
Duplex Half Data Rate -
Voltage - Supply 4.75V ~ 5.25V Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount Package / Case 16-SOIC (0.154", 3.90mm Width)
Supplier Device Package 16-SOIC Base Product Number SN75138
Rating Catalog Operating temperature range (°C) 0 to 70
feature-maximum-operating-supply-voltage-v feature-minimum-operating-supply-voltage-v
feature-process-technology feature-packaging Tube
feature-rad-hard feature-pin-count 16
feature-supplier-package SOIC feature-standard-package-name SO
feature-cecc-qualified No feature-esd-protection
feature-escc-qualified feature-military No
feature-aec-qualified No feature-aec-qualified-number
feature-eccn-code EAR99 feature-svhc Yes
feature-svhc-exceeds-threshold No

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