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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-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-TSSOP |
| ROHS |  |
The MC74VHCT240ADT from onsemi is a dual inverting buffer featuring 3-state outputs, part of the 74VHCT logic family. It is designed for 5V systems, operating from 4.5V to 5.5V, and offers TTL-compatible inputs for easy integration with legacy logic. Each output can source or sink 8mA, providing adequate drive for bus lines and control signals. Housed in a 20-pin TSSOP package, this buffer is well-suited for bus isolation, signal inversion, and level translation in high-speed digital applications.
- TTL-Compatible Inputs: Allows direct connection to TTL logic without additional interface circuitry, simplifying mixed-logic designs.
- 3-State Outputs: Facilitates bus-oriented architectures by allowing multiple devices to share a data line.
- High-Speed Operation: The 74VHCT family provides very fast propagation delays, critical for high-frequency applications.
- Wide Temperature Range: Operates from -40°C to 85°C, suitable for demanding industrial environments.
5V Bus Driving and Isolation
Designed for 5V operation, the MC74VHCT240ADT is perfect for driving and isolating 5V buses in legacy systems, ensuring signal integrity with its 3-state outputs.
Inverting Signal Conditioning
Its inverting function is useful for generating complementary signals or for active-low control lines in digital circuits, simplifying logic design.
Interfacing TTL and CMOS Logic
The 74VHCT family features TTL-compatible inputs, allowing direct interfacing with TTL logic while providing CMOS-level outputs, bridging two logic standards.
Memory and Peripheral Control
Used to buffer and invert control signals like chip select or write enable, it isolates the controller from the load of multiple memory or peripheral devices.
Industrial Sensor Interfaces
With an operating temperature range of -40°C to 85°C, it is suitable for industrial environments where sensor signals need to be buffered and inverted before processing.
High-Speed Data Paths
The very high-speed nature of the 74VHCT family ensures minimal propagation delay, making it suitable for high-frequency data paths in communication equipment.
- Q: What is the logic family of the MC74VHCT240ADT?
- A: It belongs to the 74VHCT (Very High-Speed CMOS with TTL-compatible inputs) family.
- Q: What is the function of this IC?
- A: It is a dual (2-channel) inverting buffer with 3-state outputs.
- Q: How many channels does it have?
- A: It has 2 inverting buffer channels.
- Q: What is the output type?
- A: The outputs are 3-State, enabling connection to shared buses.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it ideal for 5V systems.
- Q: What package is available?
- A: It comes in a 20-pin TSSOP package (4.40mm width).
MC74VHCT240ADT.pdf
- Q: What is the logic family of the MC74VHCT240ADT?
- A: It belongs to the 74VHCT (Very High-Speed CMOS with TTL-compatible inputs) family.
- Q: What is the function of this IC?
- A: It is a dual (2-channel) inverting buffer with 3-state outputs.
- Q: How many channels does it have?
- A: It has 2 inverting buffer channels.
- Q: What is the output type?
- A: The outputs are 3-State, enabling connection to shared buses.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it ideal for 5V systems.
- Q: What package is available?
- A: It comes in a 20-pin TSSOP package (4.40mm width).