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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | 74FCT |
| 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 | 15mA, 64mA |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | 20-PDIP |
The 74FCT240PC from National Semiconductor is an inverting buffer in the 74FCT logic family. It features 2 channels with 3-State outputs, operating from 4.75V to 5.25V. With a sink current of 64mA and source current of 15mA, it delivers strong drive capability. The 20-DIP package is ideal for through-hole applications and prototyping. Common uses include LED driving, bus buffering, and industrial controls.
- Through-Hole DIP Package: Easy to solder and replace, ideal for prototyping.
- High Sink Current (64mA): Drives LEDs and other high-current loads.
- Inverting Function: Combines inversion and buffering in one device.
- 3-State Outputs: Facilitates bus sharing in multi-device systems.
Through-Hole Prototyping
Ideal for breadboarding and prototyping due to the 20-DIP package. Easily insertable and removable for testing.
High-Current LED Driving
Drive LED displays with the 64mA sink capability. The inverting function allows active-low control.
Bus Buffering in Legacy Systems
Buffer buses in legacy 5V systems. The DIP package is compatible with older PCB designs.
Industrial Control Panels
Use in industrial control panels where through-hole components are preferred for reliability and ease of replacement.
Educational Labs
Perfect for educational environments teaching logic design. The DIP package is easy to handle and wire.
Signal Inversion and Buffering
Provide both inversion and buffering in a single IC. The 3-State output allows bus sharing.
- Q: What is the logic family of the 74FCT240PC?
- A: It belongs to the 74FCT logic family.
- Q: What function does this IC perform?
- A: It is an inverting buffer with 2 channels and 3-State outputs.
- Q: What is the voltage range?
- A: It operates from 4.75V to 5.25V.
- Q: What are the output current ratings?
- A: It can source 15mA and sink 64mA.
- Q: What package is available?
- A: It comes in a 20-DIP (0.300", 7.62mm) package.
- Q: What is the temperature range?
- A: It operates from 0°C to 70°C.
74FCT240PC.pdf
- Q: What is the logic family of the 74FCT240PC?
- A: It belongs to the 74FCT logic family.
- Q: What function does this IC perform?
- A: It is an inverting buffer with 2 channels and 3-State outputs.
- Q: What is the voltage range?
- A: It operates from 4.75V to 5.25V.
- Q: What are the output current ratings?
- A: It can source 15mA and sink 64mA.
- Q: What package is available?
- A: It comes in a 20-DIP (0.300", 7.62mm) package.
- Q: What is the temperature range?
- A: It operates from 0°C to 70°C.