Overview
The 74HCT540DB,112 is an octal buffer/line driver integrated circuit produced by Nexperia USA Inc. Although this product has been discontinued, it was designed to provide high-performance buffering and line driving capabilities. The IC features a 3-state output, allowing for high-impedance states, and is compatible with TTL (Transistor-Transistor Logic) inputs. This makes it suitable for a variety of digital logic applications where signal buffering and amplification are necessary.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SSOP20 |
| Number of Buffers | 8 |
| Output Type | 3-state, inverting |
| Supply Voltage (Vcc) | 4.5V to 5.5V |
| Input Voltage (Vin) | Up to 5.5V |
| Operating Temperature Range | -40°C to 125°C |
| Propagation Delay | Typically 10ns |
Key Features
- 3-state Outputs: Allows for high-impedance states, enabling the IC to be used in bus-oriented systems.
- Inverting Buffers: Each buffer inverts the input signal, providing a logical NOT function.
- Current Limiting Resistors Compatibility: Enables the use of current limiting resistors to interface inputs to voltages in excess of Vcc.
- TTL Compatible Inputs: Compatible with TTL logic levels, making it versatile for various digital logic applications.
Applications
The 74HCT540DB,112 is suitable for a range of digital logic applications, including:
- Signal Buffering and Amplification: In systems where signal levels need to be maintained or amplified over long distances.
- Bus Systems: The 3-state outputs make it ideal for use in bus-oriented systems where multiple devices need to share a common signal line.
- Digital Logic Circuits: In circuits requiring logical inversion and signal buffering, such as in microprocessor and microcontroller systems.
Q & A
- What is the package type of the 74HCT540DB,112?
The package type is SSOP20. - How many buffers does the 74HCT540DB,112 have?
The IC has 8 buffers. - What is the output type of the 74HCT540DB,112?
The output type is 3-state, inverting. - What is the supply voltage range for the 74HCT540DB,112?
The supply voltage range is 4.5V to 5.5V. - Is the 74HCT540DB,112 still in production?
No, the 74HCT540DB,112 has been discontinued. - What is the operating temperature range of the 74HCT540DB,112?
The operating temperature range is -40°C to 125°C. - What is the typical propagation delay of the 74HCT540DB,112?
The typical propagation delay is 10ns. - Is the 74HCT540DB,112 compatible with TTL inputs?
Yes, it is compatible with TTL logic levels. - What are some common applications of the 74HCT540DB,112?
Common applications include signal buffering and amplification, bus systems, and digital logic circuits. - Can the 74HCT540DB,112 be used with current limiting resistors?
Yes, it can be used with current limiting resistors to interface inputs to voltages in excess of Vcc.
