SN75189N

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SN75189N is a TTL-compatible quadruple differential line receiver. It is an interface-level integrated circuit in the drivers, receivers, transceivers category. SN75189N receives two differential inputs and provides four complementary outputs. It has high impedance differential inputs to allow large levels of differentially coupled signals to be received from a transmission line or from other transceivers. In addition, it features a wide voltage range, low input and output currents, minimum propagation delay, and high immunity to noise.

The SN75189N operates with supply voltage from 4.5 V to 5.5 V and has a supply current rating of 400 μA. The input common-mode range extends from -3V to the Vcc level. The differential voltage range is adjustable from 0V to 40 mV to 1V. The output current depends on the differential input voltage, with a minimum output current of 0.8 mA. The maximum output current is 5 mA.

The SN75189N has four operation modes: active, standby, disabled, and receive. In active mode, the SN75189N receives a differential input and drives its four outputs on the rising edge of the input clock pulse. In standby mode, the SN75189N is idle, with the four outputs in a low-impedance, disabled state. In disabled mode, the SN75189N is in a low-power state. All of its outputs are in a high-impedance state. In receive mode, the SN75189N receives a differential input and sends an output clock pulse on the rising edge of the input clock pulse.

The SN75189N has a number of applications, including driving binary-encoded signals in multiplexing systems, balanced line receivers, transceivers, and interface logic. It is commonly used as a bidirectional transceiver to transmit and receive a differential data stream over a twisted-pair cable. The SN75189N is also used in high-speed digital systems, such as video distribution and multiplexing systems, where the transmission of large amounts of data over long distances is needed.

The SN75189N has a number of advantages over other line receivers, including a high differential voltage range and low input and output currents. It is also immune to noise, has minimum propagation delay, and is TTL-compatible. The SN75189N is a powerful, reliable line receiver with a wide range of applications.

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