54FCT245TDB

The 54FCT245TDB is a quad bi-directional transceiver for the processing and exchanging data between two bus lines. It provides a communication interface between data buses with different voltage and drive levels. The 54FCT245TDB is mainly used for applications in the data bus in modern computer systems, such as the PCI bus, SCSI and USB.

The 54FCT245TDB is designed as a single integrated circuit with four bidirectional transceivers and features logic and four-channel voltage translators on board. It has an active HIGH enable-input (OE) which is used to disable the four transceivers to reduce the power consumption. Each of the four channels has two direction inputs (A1 and B1) and two direction outputs (A2 and B2). The direction inputs control the direction of the data transfer, while the direction outputs forward the control signals.

The 54FCT245TDB operates on a single voltage supply ranging from 3.0V to 3.6V and can source or sink up to 20mA. It is also designed for minimum propagation delay, allowing for faster bus operations. The 54FCT245TDB is designed with an input clamp diode and an internal output pull-up resistor, which allow it to transmit the data in either direction from one input port to the other output port. The internal output pull-up resistor helps to maintain the stability of the signal and it is designed to minimize glitches in the output signal. It also has a high-impedance three-state output (OE) for bus mastering applications.

The 54FCT245TDB has a typical propagation delay of 4ns and a maximum output skew of 1ns. It is rated to operate at temperatures ranging from 0°C to 70°C and is available in three packages: a 16-pin narrow-body SOIC package, a 20-pin TSSOP package, and a 28-pin TQFP package. It is used in many system boards, such as servers and storage systems. The 54FCT245TDB is an ideal solution for high-speed data transfer and communication between two buses.