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| Product attributes | Property Value |
| Manufacturer | Fairchild Semiconductor |
| Product Series | 74ACT |
| 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 | 24mA, 24mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-TSSOP |
| ROHS |  |
The 74ACT240MTC from Fairchild Semiconductor is a dual inverting buffer from the 74ACT logic family. It features two channels with 3-State outputs, capable of sourcing and sinking 24mA. Operating over a 4.5V to 5.5V supply range, it is designed for high-speed 5V systems. Packaged in a compact 20-TSSOP, it is ideal for bus interfacing, signal inversion, and driving high-capacitance loads in industrial and computing applications.
- High Drive Current (24mA): Ensures fast signal transitions and the ability to drive heavy capacitive loads.
- 3-State Outputs: Facilitates bus-oriented designs with multiple drivers on a single line.
- 74ACT High-Speed Technology: Provides low propagation delay, critical for high-frequency operation.
- Inverting Function: Offers design flexibility for active-low signal systems.
Inverting Bus Transceiver
Use the 74ACT240MTC to implement an inverting bus interface. The 3-State outputs allow multiple devices to share the bus, while the inverting function can be used to match signal polarity requirements.
High-Speed Signal Inversion
In high-speed digital systems, this buffer can invert signals with minimal propagation delay, thanks to the 74ACT family's advanced CMOS technology.
Memory Read/Write Buffering
Buffer and invert control signals in memory systems. The 24mA drive current ensures fast switching of control lines, improving memory access times.
Backplane Driving
Drive signals across a backplane in rack-mounted systems. The 3-State outputs are essential for avoiding bus contention in multi-board configurations.
Industrial Control Logic Inversion
In industrial controls, where active-low signals are common, this buffer can invert and strengthen signals from sensors or PLCs, ensuring reliable logic levels.
Test and Measurement Equipment
For generating inverted test signals or buffering outputs in automated test equipment, this IC provides the necessary speed and drive strength.
- Q: What is the logic family of the 74ACT240MTC?
- A: It belongs to the 74ACT (Advanced CMOS with TTL-compatible inputs) logic family, offering high speed and low power consumption.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 2 channels, designed to invert and buffer digital signals for bus and line driving.
- Q: What is the output type?
- A: It features 3-State outputs, allowing for connection to shared buses with high-impedance control.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it suitable for 5V supply systems.
- Q: What is the package type?
- A: It comes in a 20-TSSOP package with a 4.40mm body width, which is a compact surface-mount option.
- Q: What is the output current capability?
- A: It can both source and sink 24mA of current, providing strong drive for various loads.
74ACT240MTC.pdf
- Q: What is the logic family of the 74ACT240MTC?
- A: It belongs to the 74ACT (Advanced CMOS with TTL-compatible inputs) logic family, offering high speed and low power consumption.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 2 channels, designed to invert and buffer digital signals for bus and line driving.
- Q: What is the output type?
- A: It features 3-State outputs, allowing for connection to shared buses with high-impedance control.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it suitable for 5V supply systems.
- Q: What is the package type?
- A: It comes in a 20-TSSOP package with a 4.40mm body width, which is a compact surface-mount option.
- Q: What is the output current capability?
- A: It can both source and sink 24mA of current, providing strong drive for various loads.