SN75119 - 差动线路收发器

SN75119是TI德州仪器公司的一款其它线电路产品，SN75119是差动线路收发器，本站介绍了SN75119的封装应用图解、特点和优点、功能等，并给出了与SN75119相关的TI元器件型号供参考。

SN75119 - 差动线路收发器 - 其它线电路 - 其它接口 - 德州仪器

产品描述

These integrated circuits are designed for use in interfacing between TTL-type digital systems and differential data-transmission lines. They are especially useful for party-line (data-bus) applications. Each of these circuit types combine in one package 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 inputs and the receiver outputs are TTL compatible. The driver employed is similar to the SN55113 and SN75113 3-state line drivers, and the receiver is similar to the SN55115 and SN75115 line receivers.

The SN55116, SN75116, and SN75118 offer all the features of the SN55113 and SN75113 drivers and the SN55115 and SN75115 receivers combined. The driver performs the dual input AND and NAND functions when enabled or presents a high impedance to the load when in the disabled state. The driver output stages are similar to TTL totem-pole outputs, but have the current-sinking portion separated from the current-sourcing portion and both are brought out to adjacent package terminals. This feature allows the user the option of using the driver in the open-collector output configuration, or, by connecting the adjacent source and sink terminals together, of using the driver in the normal totem-pole output configuration.

The receiver portion of the SN55116, SN75116, and SN75118 features a differential-input circuit having a common-mode voltage range of ±15 V. An internal 130- equivalent resistor also is provided, which optionally can be used to terminate the transmission line. A frequency-response control terminal allows the user to reduce the speed of the receiver or to improve differential noise immunity. The receivers of the SN55116 and SN75116 have an output strobe and a split totem-pole output. The receiver of the SN75118 has an output-enable for the 3-state split totem-pole output. The receiver section of either circuit is independent of the driver section except for the VCC and ground terminals.

The SN75117 and SN75119 provide the basic driver and receiver functions of the SN55116, SN75116, and SN75118, but use a package that is only half as large. The SN75117 and SN75119 are intended primarily for party-line or bus-organized systems because the driver outputs are internally connected to the receiver inputs. The driver has a single data input and a single enable input. The SN75117 receiver has an output strobe, while the SN75119 receiver has a 3-state output enable. However, these devices do not provide output connection options, line-termination resistors, or receiver frequency-response controls.

The SN55116 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN75116, SN75117, SN75118, and SN75119 are characterized for operation from 0°C to 70°C.

产品特性

features common to all types

Single 5-V Supply
3-State Driver Output Circuitry
TTL-Compatible Driver Inputs
TTL-Compatible Receiver Output
Differential Line Operation
Receiver Output Strobe (SN55116, SN75116, SN75117) or Enable (SN75118, SN75119)
Designed for Party-Line (Data-Bus) Applications

additional features of the SN55116/SN75116

Choice of Ceramic or Plastic Packages
Independent Driver and Receiver
Choice of Open-Collector or Totem-Pole Outputs on Both Driver and Receiver
Dual Data Inputs on Driver
Optional Line-Termination Resistor in Receiver
±15-V Receiver Common-Mode Capability
Receiver Frequency-Response Control

additional features of the SN75117

Driver Output Internally Connected to Receiver Input

The SN75118 is an SN75116 With 3-State Receiver Output Circuitry The SN75119 is an SN75117 With 3-State Receiver Output Circuitry

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