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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74LVTH |
| Packaging | | |
| 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 | 32mA, 64mA |
| Voltage - Supply | 2.7V ~ 3.6V |
| 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 | 20-SO |
| ROHS |  |
The SN74LVTH240NS from Texas Instruments is a dual 4-bit inverting buffer designed for 2.7V to 3.6V operation. It delivers 32mA sink and 64mA source current, making it ideal for driving high-capacitance buses. The 3-State outputs enable bus sharing in multi-device systems. Housed in a 20-SOIC package, it is suitable for telecom, server, and industrial applications requiring robust signal buffering with inversion.
- High Drive Current (32mA/64mA): Drives heavy loads and long traces without signal degradation.
- TTL-Compatible Inputs: Simplifies interfacing with 5V logic in mixed-voltage systems.
- 3-State Outputs: Enables bus multiplexing and prevents data collisions.
- Inverting Function: Provides signal inversion without additional components.
- Wide Temperature Range (-40°C to 85°C): Suitable for industrial environments.
High-Drive Bus Buffering
Drive heavily loaded buses with 32mA sink and 64mA source capability. The SN74LVTH240NS ensures robust signal integrity in memory and peripheral interfaces.
Inverting Signal Conditioning
Invert logic signals while providing strong drive. Useful in active-low control lines where signal inversion is required.
3.3V Telecom Systems
Interface between ASICs and backplane buses. The high drive current and 3-State outputs support multi-drop configurations.
Server Motherboards
Buffer address and control signals to DIMM modules. The 74LVTH family's TTL compatibility simplifies mixed-logic designs.
Industrial Control Panels
Drive indicator LEDs and relay drivers. The high sink current (32mA) directly drives optocouplers and small relays.
Test Equipment
Provide buffered, inverted outputs for signal routing. The 3-State feature allows multiple instruments to share a common test bus.
- Q: What logic family does the SN74LVTH240NS belong to?
- A: It is part of the 74LVTH family, which combines low-voltage operation with TTL-compatible inputs.
- Q: What is the function of this device?
- A: It is a dual 4-bit buffer with inverting outputs, providing signal inversion and buffering.
- Q: How many channels are available?
- A: It has 2 channels, each handling 4 bits, for a total of 8 inverting buffers.
- Q: What is the output type?
- A: The outputs are 3-State, allowing connection to shared buses with high-impedance control.
- Q: What is the voltage range?
- A: It operates from 2.7V to 3.6V, ideal for 3.3V systems.
- Q: What package is used?
- A: It comes in a 20-SOIC package with a 5.30mm body width.
SN74LVTH240NS.pdf
- Q: What logic family does the SN74LVTH240NS belong to?
- A: It is part of the 74LVTH family, which combines low-voltage operation with TTL-compatible inputs.
- Q: What is the function of this device?
- A: It is a dual 4-bit buffer with inverting outputs, providing signal inversion and buffering.
- Q: How many channels are available?
- A: It has 2 channels, each handling 4 bits, for a total of 8 inverting buffers.
- Q: What is the output type?
- A: The outputs are 3-State, allowing connection to shared buses with high-impedance control.
- Q: What is the voltage range?
- A: It operates from 2.7V to 3.6V, ideal for 3.3V systems.
- Q: What package is used?
- A: It comes in a 20-SOIC package with a 5.30mm body width.