54FCT240TLB

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The 54FCT240TLB is a fast CMOS octal bus transceiver that is used in applications where speed, low power, and ease of use are of paramount importance. It is a logic-level device that can take two logic levels, typically 0 and 5 V, and convert them into two oppositely-driven data levels. It typically has 16 pins, 8 output drivers, and 8 input receivers.

The device is particularly suited for buffering address and data lines in high speed, low power systems such as laptops and personal computers. Low power usage and its ability to be used in multiple data and address configurations make it an ideal choice for a variety of applications. Additionally, the high output drive capability and wide block enable low poer use, even when operated with the device at elevated temperatures.

The 54FCT240TLB is composed of four separate functional blocks. These include:

• Octal buffer/drivers
• Octal receivers

The octal buffer/drivers are responsible for driving the output signals and controlling the direction of the data. A low input level (0-level logic) causes the device to drive a high output level (5V logic), while a high input level (1-level logic) causes the device to drive a low output level (0V logic). The direction of data flow is controlled by the direction control (DIR) pin. When DIR is low, the device will drive the outputs in the direction arranged by pins A0 and A1.

The octal receivers are responsible for receiving the inputs and providing the data to the device. The data is stored in a register on the device that is accessible through the data pins. A low input level (0-level logic) causes the data in the register to be stored as a low (0V logic), while a high input level (1-level logic) causes the data in the register to be stored as a high (5V logic).

The device has two separate bus matches, X and Y, for increased flexibility in system design. The direction control (DIR) pin is used to select which bus match is enabled. When DIR is low, the X bus match is enabled and when DIR is high the Y bus match is enabled. The device is designed to recognize the direction of data flow independent of the direction control (DIR) pin.

The 54FCT240TLB also has a bus hold feature. This feature is activated when the input levels of all the data pins remain at a low level for longer than approximately 250 ns. When the bus hold feature is activated, the data in the register is held, and the output drivers remain in the last state regardless of changes at the data pins. This allows the device to maintain data integrity while preventing undesired changes.

In conclusion, the 54FCT240TLB is a fast CMOS octal bus transceiver that is used in applications requiring speed, low power, and ease of use. It is composed of four independent functional blocks and has a bus hold feature to maintain data integrity in high speed, low power systems. The device is capable of being used in multiple data and address configurations, making it an ideal choice for a variety of applications.

The specific data is subject to PDF, and the above content is for reference