DS25BR120TSDX/NOPB

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Signal buffering provides the interface between two interfering circuits, it filters the noise, allowing each circuit to communicate effectively with the other. The DS25BR120TSDX/NOPB is a single-channel, configurable and robust signal buffer designed to provide an efficient and optimized solution to interface two circuits.

Application Field

The DS25BR120TSDX/NOPB is a timer-controlled signal buffer designed for applications particularly in automotive and industrial control systems, where providing a reliable communication interface between two different UARTs is necessary. For instance, the DS25BR120TSDX/NOPB can be used to provide a communication link between vehicles and industrial control systems, or in systems where multiple low-speed devices need to share a single CAN connection. It also has a configurable propagation time, which allows for usage in a variety of different MCU/FPGA configurations.

Working Principle

As a single-channel signal buffer, the DS25BR120TSDX/NOPB can operate at 90MHz or a lower clock frequency up to 160MHz, depending on the application. It contains two embedded low-latency FIFO memories that can be used to store data as it is sent and received along two UARTs. The port outputs can be synchronized with a timer, allowing the UARTs to stay synchronized even during data transmission pauses. The configurable propagation time allows the device to be used where different MCU/FPGAs demand different data transfer speeds.

The device also features advanced power management features such as power-down mode and configurable sleep clocks. In addition, it has advanced protection features such as short-circuit protection, ESD protection, and thermal shutdown with protection circuitry.

The DS25BR120TSDX/NOPB can be used as part of an external bus controller, providing an efficient and optimized solution for an interface between two circuits. Its small size and low power consumption make it suitable for use in space-constrained applications. Furthermore, its configurable propagation time and advanced protection features make it an ideal choice for automotive, industrial, and other applications that require a reliable signal buffer.

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