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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | 74VHCT |
| 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 | 8mA, 8mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | SOEIAJ-20 |
| ROHS |  |
The MC74VHCT240AM is a dual-channel inverting buffer from onsemi, part of the 74VHCT logic family. It operates from 4.5V to 5.5V and features TTL-compatible inputs for easy interfacing with 5V TTL logic. The 3-State outputs allow for bus sharing, and each output can source or sink 8mA. The device is available in a 20-SOIC package and supports a temperature range of -40°C to 85°C. Typical applications include high-speed bus driving, TTL-to-CMOS conversion, and memory buffering.
- High-Speed Operation: Faster switching than standard 74HCT, ideal for high-frequency applications.
- TTL-Compatible Inputs: Directly interfaces with 5V TTL logic without additional circuitry.
- High Drive Current (8mA): Ensures reliable signal transmission to multiple loads.
- 3-State Outputs: Enables safe bus sharing in multi-device systems.
High-Speed 5V Bus Driving
Use the MC74VHCT240AM in high-speed 5V systems where propagation delay is critical. The 74VHCT family offers faster switching speeds compared to standard 74HCT, making it suitable for high-frequency bus applications.
TTL-to-CMOS Conversion
Interface between TTL logic and CMOS logic in 5V systems. The TTL-compatible inputs ensure reliable triggering with standard TTL voltage levels, while the CMOS outputs provide clean high/low signals.
Memory Address Buffering
Buffer address and control signals between a high-speed microprocessor and memory devices. The 8mA drive current ensures signal integrity over longer traces, and the 3-State outputs allow for efficient bus sharing.
Signal Inversion in Data Paths
Use the inverting buffer to invert signals in data paths where polarity reversal is required. The 3-State feature allows for disconnecting the buffer from the bus when not in use.
Industrial Control Systems
Interface between industrial sensors and a 5V control system. The -40°C to 85°C temperature range is suitable for most industrial environments, and the high drive current ensures reliable operation.
Test and Measurement Equipment
Route and buffer test signals in automated test equipment. The high-speed operation and 3-State outputs enable efficient signal routing in complex measurement systems.
- Q: What logic family does the MC74VHCT240AM belong to?
- A: It is part of the 74VHCT (Very High-Speed CMOS with TTL-compatible inputs) family.
- Q: What is the function of this device?
- A: It is an inverting buffer with 2 channels.
- Q: What type of output does it have?
- A: It has 3-State outputs for bus sharing.
- Q: What is the supply voltage range?
- A: It operates from 4.5V to 5.5V, ideal for 5V systems.
- Q: What is the output current capability?
- A: It can source or sink 8mA per output.
- Q: What package is it available in?
- A: It comes in a 20-SOIC (0.209", 5.30mm Width) package.
MC74VHCT240AM.pdf
- Q: What logic family does the MC74VHCT240AM belong to?
- A: It is part of the 74VHCT (Very High-Speed CMOS with TTL-compatible inputs) family.
- Q: What is the function of this device?
- A: It is an inverting buffer with 2 channels.
- Q: What type of output does it have?
- A: It has 3-State outputs for bus sharing.
- Q: What is the supply voltage range?
- A: It operates from 4.5V to 5.5V, ideal for 5V systems.
- Q: What is the output current capability?
- A: It can source or sink 8mA per output.
- Q: What package is it available in?
- A: It comes in a 20-SOIC (0.209", 5.30mm Width) package.