DS21Q58L+

The DS21Q58L+ is a silicon transceiver integrated circuit (IC) that supports data communications between two bus interfaces, such as two buses of different protocol or two channels of different data rate. It is used to bridge data traffic between different protocols as well as between different data rates. It supports asynchronous RS-232, EIA-422, EIA-485, USB, and PcBus data transmission.

Application Field

The primary application of the DS21Q58L+ is as an general purpose bridge between different communication buses, for example to bridge legacy data buses such as RS-232 and EIA-485, and to bridge and gate data traffic to an ethernet or similar high-speed data bus. The DS21Q58L+ can also be used in military and industrial communications systems, control networks, instrumentation, modems, and various testers and simulators.

Working Principle

The DS21Q58L+ employs an internal packet switched bridge to bridge the data both ways between two buses. The bridge converts data between the two buses, typically using a different protocol or data rate. Data is exchanged between the buses in both directions and either protocol can be used as a master. The bridge is equipped with both transmit and receive logic for each of the buses, and a control interface that allows status and control signals from the buses to flow through the bridge.

The DS21Q58L+ works by utilizing different protocol combinations along with memory buffers so that data is transmitted in an efficient manner between the buses. The built-in packet switched bridge also reduces crosstalk between the buses being communicated. This IC also supports high speed communication with a maximum data rate of 1 Mbps.

The DS21Q58L+ is a flexible, high performance transceiver IC that is ideal for bridging different communication buses. It offers a cost-effective solution for bridging serial data buses, and supports various protocols such as RS-232, EIA-422, EIA-485, USB, and PcBus. It is a reliable, robust and highly efficient solution that offers high performance, low power consumption and low latency.