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| Product attributes | Property Value |
| Manufacturer | Harris Corporation |
| Product Series | |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 15mA, 64mA |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SSOP (0.154", 3.90mm Width) |
| Supplier Device Package | 20-SSOP (0.154", 3.90mm Width) |
The CD74FCT240TQM is a high-speed inverting buffer from Harris Corporation's 74FCT family. It operates from 4.75V to 5.25V, with 15mA source and 64mA sink current. This single-channel device features 3-State outputs for bus isolation. Packaged in a 20-SSOP, it is designed for 5V systems requiring signal inversion and buffering, with a wide industrial temperature range.
- Inverting Function: Provides signal inversion without additional logic gates, saving board space.
- High Sink Current (64mA): Drives heavy loads and long traces with excellent signal integrity.
- 3-State Outputs: Enables bus sharing and prevents contention in multi-device systems.
- Industrial Temperature Range: Operates from -40°C to 85°C, suitable for demanding applications.
Inverting Bus Buffer
Use the CD74FCT240TQM when signal inversion is required in 5V bus systems. The 3-State outputs allow multiple devices to share the bus safely.
Active-Low Signal Generation
Generate active-low control signals from active-high logic. The inverting buffer simplifies interface with active-low peripherals.
Memory Address Inversion
In systems where address lines need inversion, this buffer provides the necessary logic while driving high-capacitance memory inputs.
Industrial Control Signal Conditioning
Invert and buffer control signals in industrial automation. The wide temperature range ensures reliable operation in factory floors.
Test Equipment Logic
In benchtop instruments, use this buffer to invert and drive trigger signals, ensuring clean edges for accurate measurements.
Automotive Electronics
In automotive ECUs, buffer and invert sensor signals. The -40°C to 85°C range covers under-hood and cabin environments.
- Q: What is the logic family of the CD74FCT240TQM?
- A: It is from the 74FCT logic family, offering high-speed performance with low power dissipation.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 1 channel, providing signal inversion and buffering.
- Q: What type of output does it have?
- A: It has 3-State outputs, allowing the device to be isolated from the bus when not in use.
- Q: What is the voltage range?
- A: The supply voltage is 4.75V to 5.25V, suitable for 5V logic systems.
- Q: What is the output current capability?
- A: It can source 15mA and sink 64mA, providing strong drive for bus lines.
- Q: What is the temperature range?
- A: It operates from -40°C to 85°C, suitable for industrial environments.
CD74FCT240TQM.pdf
- Q: What is the logic family of the CD74FCT240TQM?
- A: It is from the 74FCT logic family, offering high-speed performance with low power dissipation.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 1 channel, providing signal inversion and buffering.
- Q: What type of output does it have?
- A: It has 3-State outputs, allowing the device to be isolated from the bus when not in use.
- Q: What is the voltage range?
- A: The supply voltage is 4.75V to 5.25V, suitable for 5V logic systems.
- Q: What is the output current capability?
- A: It can source 15mA and sink 64mA, providing strong drive for bus lines.
- Q: What is the temperature range?
- A: It operates from -40°C to 85°C, suitable for industrial environments.