SN75176A Datasheet

Differential Bus Transceiver


The SN75176A differential bus transceiver is a monolithic integrated circuit designed for bidirectional data communication on multipoint bus-transmission lines. It is designed for balanced transmission lines and meets ANSI Standard EIA/TIA-422-B and ITU Recommendation V.11. The SN75176A combines a 3-state differential line driver and a differential input line receiver, both of which operate from a single 5-V power supply. The driver and receiver have active-high and active-low enables, respectively, that can be externally connected together to function as a direction control. The driver differential outputs and the receiver differential inputs are connected internally to form differential input/output (I/O) bus ports that are designed to offer minimum loading to the bus whenever the driver is disabled or VCC = 0. These ports feature wide positive and negative common-mode voltage ranges making the device suitable for party-line applications. The driver is designed to handle loads up to 60 mA of sink or source current. The driver features positive- and negative-current limiting and thermal shutdown for protection from line fault conditions. Thermal shutdown is designed to occur at a junction temperature of approximately 150°C. The receiver features a minimum input impedance of 12 kW, an input sensitivity of ±200 mV, and a typical input hysteresis of 50 mV. The SN75176A can be used in transmission-line applications employing the SN75172 and SN75174 quadruple differential line drivers and SN75173 and SN75175 quadruple differential line receivers.The SN75176A is characterized for operation from 0°C to 70°C. SN75176A Features ● Bidirectional Transceiver● Meets or Exceeds the Requirements of ANSI Standards EIA/TIA-422-B and ITU Recommendation V.11● Designed for Multipoint Transmission on Long Bus Lines in Noisy Environments● 3-State Driver and Receiver Outputs● Individual Driver and Receiver Enables● Wide Positive and Negative Input/Output Bus Voltage Ranges● Driver Output Capability . . . ±60 mA Max● Thermal-Shutdown Protection● Driver Positive- and Negative-Current Limiting● Receiver Input Impedance . . . 12 kW Min● Receiver Input Sensitivity . . . ±200 mV● Receiver Input Hysteresis . . . 50 mV Typ● Operates From Single 5-V Supply● Low Power Requirements


[{"Name":"maximum Supply voltage VCC","Value":"7 V"},{"Name":"Maximum Voltage range at any bus terminal","Value":"–10 V to 15 V"},{"Name":"Maximum Enable input voltage VI","Value":"5.5 V"},{"Name":"Maximum Operating free-air temperature range TA","Value":"0°C to 70°C"},{"Name":"Maximum Storage temperature range Tstg","Value":"– 65°C to 150°C"},{"Name":"Maximum Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds ","Value":"260°C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

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