ST3485EBN

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Transceiver
Protocol:	RS422, RS485
Number of Drivers/Receivers:	1/1
Duplex:	Half
Receiver Hysteresis:	70mV
Data Rate:	15Mbps
Voltage - Supply:	3 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Through Hole
Package / Case:	8-DIP (0.300", 7.62mm)
Supplier Device Package:	8-DIP
Base Part Number:	ST3485E

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The ST3485EBN is an integrated quad-rail line transceiver for the asynchronous serial communication interface in the market today. It is used for the driving and receiving of asynchronous serial data at speeds of up to 5 Mbps. It includes four independent channels that can be configured for a variety of applications. The ST3485EBN device provides a low Pin Count interface, making it ideal for a range of applications where space is limited.

The ST3485EBN is a transceiver composed of two receiver channels (RX1 and RX2) and two driver channels (TX1 and TX2). Each RX or TX channel is made up of a receiver (RX) or driver (TX) block, an oscillator circuit, an auxilliary clock circuit, a line monitor circuit and a serialiser/deserialliser (SD) circuit. The RX or TX channels are configured such that each block can receive and/or transmit in different directions.

The TX1 and TX2 channels each have three driver pins (D11, D12 and D13). The D11 pin is the data input control pin that controls the line flow rate, whereas D12 is the data line. The D13 pin is the direction control pin that allows the driver direction to be reversed.

In the Rx channels, the RX1 and RX2 each has two pins (D21 and D22) which are responsible for datareception and line direction. The D21 pin is the data input control pin, whereas D22 is the data line. It also has the RxReady signal line (RxRDY), which is used for indicating the line reception status.

The ST3485EBN also includes an oscillator circuit for each channel for generating the required clock signal for asynchronous communication. An auxiliary clock circuitry is also integrated for providing a support signal for the oscillator.This is used to provide a stable clock signal, independent from the line signal characteristics.

The line monitor circuitry by ST3485EBN is used to provide an indication of signal de-skewing, non-emission and signal assertion rate. This enables the system to monitor the status of the lines, allowing any anomalies or faults to be quickly detected. The device also includes an SD circuit, which performs the serialisation and de-serialisation of data across channels.

The ST3485EBN device is designed and manufactured to meet the requirements of ISO/IEC and US Department of Defense (DoD) specifications. It is also designed to provide robust performance and reliable operation under conditions of harsh noise and temperature. The device is certified for Connection Quality Control, Frequency Range and phase characteristics, Accuracy Testing, and Real-Time Operation, as well as the Signal Performance and Timing Performance, according to ISO/IEC 1021.

The ST3485EBN device is ideal for applications in the automotive industry, networking and communication devices, consumer electronics, industrial applications and medical equipment. It can also be used in applications such as automotive telematics, wireless devices, industrial/automation systems, point-of-sale systems, and bus interfacing.

The ST3485EBN device provides a low Pin Count interface, making it ideal for a range of applications where space is limited. It is a highly integrated device that offers excellent performance, robust operation, low power consumption and high reliability. The device is ideally suited to the demands of today\'s demanding and fast moving applications, with support for up to 5 Mbps transmission speeds.

In conclusion, the ST3485EBN is an integrated quad-rail line transceiver for the asynchronous serial communication interface in the market today. It is used for the driving and receiving of asynchronous serial data at speeds of up to 5 Mbps, and provides a low Pin Count interface that is ideal for the space-limited applications. The device is certified for Connection Quality Control, Frequency Range and phase characteristics, Accuracy Testing, and Real-Time operation, as well as the Signal Performance and Timing Performance, according to ISO/IEC 1021. This makes it suitable for a wide range of applications in the automotive industry, networking and communication devices, consumer electronics, industrial applications and medical equipment.

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