SN74BCT240DWRG4

Logic - Buffers, Drivers, Receivers, Transceivers

The SN74BCT240DWRG4 is part of the Texas Instruments family of logic interface devices. This device is a dual bidirectional buffer designed to provide maximum design flexibility when interfacing high-speed signals to low-power logic levels. This device is designed to have 3-state output enable control and offers the user several design enhancements such as open-collector outputs and push-pull outputs. The SN74BCT240DWRG4 can also be utilized in terms of multichannel applications such as bus-oriented systems.

Application Field

The SN74BCT240DWRG4 device is available in a 14-pin plastic SOIC (D) package. This package utilizes 9 pins for data and control functions and the remaining 5 pins are for power and ground. The maximum current for the logic inputs of this device is 5 mA.The SN74BCT240DWRG4 device is ideal for applications such as data transmission, data reception, data multiplexers, data demultiplexers, interface drivers, speech synthesizers, and other general interface applications. It is designed to have a low power dissipation of 38 mW and a high speed of 3.2 ns (maximum) delay time.

Working Principle

The SN74BCT240DWRG4 device is a logic family device that is designed with a diode-clamped CMOS (DCMOS) structure. This design helps optimize the device to provide superior noise immunity, while achieving a low power dissipation and high speed performance. The device can be used in two modes of operation: the low-level transfer mode and the high-level transfer mode. In low-level transfer mode, the signal passes from one buffer to the other without any additional logic. In high-level transfer mode, the signal is passed to the other buffer only when enabled by the output enable signal.

The device has an active-low output enable input pin which acts as an on/off switch. When this pin is in the active-low state, the output of the device is “off” and the output is in a three-state mode. When the output enable is in the active-high state, the output of the device will then be enabled and a valid data transfer will take place from one buffer to the other. The SN74BCT240DWRG4 device has two buffers and consequently two independent output circuits. This allows for two data channels at the same speed.

The SN74BCT240DWRG4 device is also designed to be tolerant of slow clock and data edges. This feature gives the user the ability to design a system with increased accuracy and reduced timing constraints, making it suitable for a wide range of applications. In addition, the device is designed to be able to handle up to a 40 MHz data rate, making it ideal for high-speed data transmission applications.

The SN74BCT240DWRG4 device is a versatile dual bidirectional buffer that can be utilized in a wide range of applications. Its low power dissipation, high speed performance, and expanded range of compatibility make this device an ideal choice for designers looking to improve their system performance.