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Product attributes Property Value
Manufacturer IDT, Integrated Device Technology Inc
Product Series
Packaging Bulk |
Part Status Active
Logic Type Buffer, Inverting
Number of Elements 2
Number of Bits per Element 4
Input Type -
Output Type 3-State
Current - Output High, Low 12mA, 48mA
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -55°C ~ 125°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 20-LCC
Supplier Device Package 20-LCC

The 54FCT240CTLB is a dual inverting buffer from IDT, part of the 54FCT logic family. It features two channels with 3-State outputs, capable of sourcing 48mA and sinking 12mA of current. Operating from 4.5V to 5.5V, this buffer is designed for high-speed bus driving and signal inversion. Its LCC package and wide temperature range make it suitable for high-reliability applications.

  • High Drive Current (48mA Source): Can drive low-impedance loads and long transmission lines, ensuring signal integrity.
  • High-Speed Operation: Fast propagation delays minimize signal latency, ideal for high-performance systems.
  • 3-State Outputs: Enables bus sharing and reduces power consumption when outputs are disabled.
  • Wide Temperature Range: Operates from -55°C to 125°C, suitable for military and aerospace applications.

High-Speed Bus Driving

Use the 54FCT240CTLB for high-speed bus lines in computing systems. The 54FCT family's fast propagation delay ensures minimal signal latency, while the 3-State outputs allow for efficient bus sharing.

Memory Address Buffering

Buffer address lines to multiple memory modules in high-performance systems. The high drive current (12mA sink, 48mA source) ensures strong signal integrity even with heavy capacitive loads.

Signal Inversion in Control Systems

Invert control signals in digital systems where active-low logic is required. The inverting buffer provides the necessary logic inversion while maintaining signal strength.

Backplane Drivers

Drive signals across a backplane in telecommunications or networking equipment. The high source current capability is ideal for driving transmission line impedances.

Clock Distribution

Buffer and invert clock signals for distribution to multiple loads. The 3-State outputs allow for clock gating, reducing power consumption when the clock is not needed.

Aerospace and Defense Electronics

In avionics and defense systems, use this buffer for reliable signal conditioning. The wide temperature range and high-speed performance meet stringent military requirements.

Q: What is the logic family of the 54FCT240CTLB?
A: It belongs to the 54FCT family, known for high-speed, low-power operation.
Q: What is the function of this IC?
A: It is a dual inverting buffer with 3-State outputs, designed for high-speed bus driving.
Q: How many channels does it have?
A: It has 2 channels, each providing an inverting buffer function.
Q: What is the output type?
A: The outputs are 3-State, allowing for connection to a shared bus with high-impedance control.
Q: What is the operating voltage range?
A: It operates from 4.5V to 5.5V, suitable for standard 5V systems.
Q: What package is available?
A: It comes in a 20-pin LCC (Leadless Chip Carrier) package.
Base Product Number : 54FCT240
3-State 4.5V-5.5V 54FCT Buffer Bus Driver High-Speed Inverting LCC Logic IC Military Grade
Q: What is the logic family of the 54FCT240CTLB?
A: It belongs to the 54FCT family, known for high-speed, low-power operation.
Q: What is the function of this IC?
A: It is a dual inverting buffer with 3-State outputs, designed for high-speed bus driving.
Q: How many channels does it have?
A: It has 2 channels, each providing an inverting buffer function.
Q: What is the output type?
A: The outputs are 3-State, allowing for connection to a shared bus with high-impedance control.
Q: What is the operating voltage range?
A: It operates from 4.5V to 5.5V, suitable for standard 5V systems.
Q: What package is available?
A: It comes in a 20-pin LCC (Leadless Chip Carrier) package.