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| Product attributes | Property Value |
| Manufacturer | IDT, Integrated Device Technology Inc |
| 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 | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC |
| ROHS |  |
The 74FCT240ATSOG is a dual-channel inverting buffer from IDT, engineered for 5V logic systems. It operates from 4.75V to 5.25V and delivers output currents of 15mA (source) and 64mA (sink). The 3-State outputs enable bus-oriented applications, while the 20-SOIC package offers a compact footprint. This buffer is well-suited for signal inversion, memory control, and industrial sensor interfacing where reliable performance across temperature extremes is required.
- Inverting Functionality: Simplifies designs requiring active-low signals without additional logic gates.
- High Sink Current (64mA): Drives heavy loads like LEDs or long cables directly.
- 3-State Outputs: Facilitates bus sharing and reduces power dissipation.
- Industrial Temperature Range: Reliable from -40°C to 85°C for demanding environments.
Inverting Bus Drivers
Use the 74FCT240ATSOG to invert and buffer control signals in microprocessor systems. The 3-State outputs allow multiple drivers to share the same bus line, while the high sink current ensures fast switching.
Signal Inversion in Communication Interfaces
In RS-232 or CAN transceiver circuits, this buffer can invert logic signals before transmission, simplifying interface design. Its 5V operation matches standard transceiver supply rails.
Memory Read/Write Control
Generate active-low read/write signals for SRAM or DRAM by using this inverting buffer. The 3-State feature allows the control lines to be tri-stated during bus idle periods.
Industrial Sensor Signal Conditioning
Invert and buffer sensor output signals in industrial control systems. The wide temperature range (-40°C to 85°C) ensures reliable operation in factory settings.
LED Matrix Driving
Use the inverting buffer to drive common-anode LED displays. The 64mA sink current can directly drive LED segments without additional transistors.
Clock Signal Inversion
Provide complementary clock signals for dual-edge triggered devices. The buffer's low propagation delay ensures minimal skew between original and inverted clocks.
- Q: What is the logic family of the 74FCT240ATSOG?
- A: It is part of the 74FCT family, offering high-speed CMOS performance.
- Q: What function does this IC perform?
- A: It is an inverting buffer with 2 channels, providing signal inversion and drive.
- Q: What is the output type?
- A: It has 3-State outputs, allowing connection to shared data buses.
- Q: What is the supply voltage range?
- A: It operates between 4.75V and 5.25V, ideal for 5V logic systems.
- Q: What package is this device available in?
- A: It comes in a 20-SOIC (0.295", 7.50mm Width) package.
- Q: What are the output current ratings?
- A: It can source 15mA and sink 64mA, providing strong drive capability.
74FCT240ATSOG.pdf
- Q: What is the logic family of the 74FCT240ATSOG?
- A: It is part of the 74FCT family, offering high-speed CMOS performance.
- Q: What function does this IC perform?
- A: It is an inverting buffer with 2 channels, providing signal inversion and drive.
- Q: What is the output type?
- A: It has 3-State outputs, allowing connection to shared data buses.
- Q: What is the supply voltage range?
- A: It operates between 4.75V and 5.25V, ideal for 5V logic systems.
- Q: What package is this device available in?
- A: It comes in a 20-SOIC (0.295", 7.50mm Width) package.
- Q: What are the output current ratings?
- A: It can source 15mA and sink 64mA, providing strong drive capability.