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| Product attributes | Property Value |
| Manufacturer | Renesas Electronics Corporation |
| Product Series | 74HCT |
| 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 | 6mA, 6mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | - |
| Package / Case | - |
| Supplier Device Package | - |
The 74HCT240FPV-E is a high-speed CMOS inverting buffer with TTL-compatible inputs and 3-State outputs. Operating from 4.5V to 5.5V, it provides 6mA output current per channel, making it suitable for 5V logic systems. Its wide temperature range of -40°C to 125°C ensures reliable operation in automotive and industrial applications. This inverting buffer is commonly used for active-low bus signaling, signal inversion, and level translation between TTL and CMOS logic families.
- Inverting Function: Provides signal inversion without additional logic gates, simplifying design.
- TTL-Compatible Inputs: Directly interfaces with 5V TTL logic systems.
- Wide Temperature Range (-40°C to 125°C): Suitable for harsh automotive and industrial environments.
- 3-State Outputs: Enables bus sharing and isolation in multi-device systems.
Active-Low Bus Signaling
The inverting function of the 74HCT240FPV-E is ideal for systems that use active-low bus protocols, where a low signal indicates an active state. It can buffer and invert control signals for memory or peripheral selection.
TTL-to-CMOS Level Conversion
With TTL-compatible inputs, this buffer can accept signals from legacy TTL logic and output CMOS levels, ensuring proper interfacing in mixed-technology systems.
Automotive Control Signal Inversion
In automotive ECUs, this buffer can invert and buffer control signals for actuators or sensors, with its wide temperature range ensuring reliable operation in extreme conditions.
Industrial Sensor Signal Conditioning
For industrial sensors that output active-low signals, this buffer can condition and invert the signal for processing by a PLC or microcontroller, while providing 3-State isolation.
Logic Polarity Conversion
When a system requires inverted logic polarity, this buffer provides a simple solution without additional discrete components, saving board space and cost.
Bus Isolation and Buffering
The 3-State outputs allow this buffer to isolate different sections of a bus, preventing loading effects and enabling multiple devices to share the same lines.
- Q: What is the logic family of the 74HCT240FPV-E?
- A: It belongs to the 74HCT (High-Speed CMOS with TTL levels) logic family, offering TTL-compatible inputs.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 2 channels, providing signal inversion and buffering.
- Q: What type of output does it have?
- A: It features 3-State outputs, allowing outputs to be placed in a high-impedance state.
- Q: What is the operating voltage range?
- A: The supply voltage range is 4.5V to 5.5V, making it a 5V logic device.
- Q: What is the output current capability?
- A: It can source or sink 6mA per channel, suitable for driving standard logic loads.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 125°C, suitable for automotive and industrial environments.
74HCT240FPV-E.pdf
- Q: What is the logic family of the 74HCT240FPV-E?
- A: It belongs to the 74HCT (High-Speed CMOS with TTL levels) logic family, offering TTL-compatible inputs.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 2 channels, providing signal inversion and buffering.
- Q: What type of output does it have?
- A: It features 3-State outputs, allowing outputs to be placed in a high-impedance state.
- Q: What is the operating voltage range?
- A: The supply voltage range is 4.5V to 5.5V, making it a 5V logic device.
- Q: What is the output current capability?
- A: It can source or sink 6mA per channel, suitable for driving standard logic loads.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 125°C, suitable for automotive and industrial environments.