DS96176CN/NOPB

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The DS96176CN/NOPB is a low-power full-duplex RS-422/RS-485 differential line transceiver. It offers integrated fail-safe circuitry on all receiver inputs and provides fixed disable, enable and side-select functions for the differential bus. The device features 64-byte extended-skew-delay registers, allowing for skew-manager applications as well as peripherals and small systems. It is designed to support high-speed communication applications and peripheral systems.

Application Field

The DS96176CN/NOPB is designed for applications such as automatic test equipment, computer peripherals and LANs. Its flexible architecture makes it useful in a variety of communication protocols, including Ethernet, Token Ring, Modbus and CANbus (Controller Area Network). It is also suitable for industrial control and automation applications such as motion control.

Working Principle

The DS96176CN/NOPB is a low-power differential line transceiver used to transmit data between two receivers. It consists of two integrated circuits (ICs) in one package, one is a line driver and the other is a line receiver. The transmitted digital signal is amplified by the driver and sent out on a pair of twisted-pair wires. The signals are then received by the line receiver and converted back into digital signals which can be read by another driver or receiving device. The driver has a regulated output level of seven volts, while the receiver has a regulated input level of five volts. The integrated fail-safe circuitry ensures that the receiver will always get the correct signal even if the transmission line is affected by unwanted noise. The 64-byte extended-skew-delay registers allow for skew management applications which can help devices communicate at higher baud rates.

The side-select input provides additional functionality by placing the devices in either a normal mode or a high-impedance state. When in the normal mode, both drivers and receivers are enabled. When in the high-impedance state, both receivers and drivers are disabled, allowing for reception of data from multiple drivers but only from one receiver.

The disable input pins on the driver and receiver circuits allow for further flexibility, allowing for notifications of bus events or for different communication protocols. The disable input pins are active low, meaning that the normal state is to have the drivers and receivers enabled and the bus active.

Conclusion

The DS96176CN/NOPB is a low-power full-duplex RS-422/RS-485 differential line transceiver. It is designed to support high-speed communication applications and peripheral systems, and can be used in a variety of communication protocols, including Ethernet, Token Ring, Modbus, and CANbus. Its integrated fail-safe circuitry provides protection against unwanted noise, while its 64-byte extended-skew-delay registers make it suitable for skew management applications. The side-select and disable inputs allow for further flexibility in data transmission and reception, making the DS96176CN/NOPB a perfect solution for industrial control and automation applications.

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