Overview
The SN74HC240DWR is a high-speed CMOS logic IC from Texas Instruments, belonging to the 74HC series. It is designed as an inverting buffer and line driver with 3-state outputs, packaged in a 20-pin SOIC format. This component is widely used in digital systems for signal buffering and driving applications, offering compatibility with CMOS and TTL logic levels. Its market positioning targets industrial, automotive, and consumer electronics sectors, where reliable and efficient signal management is critical. The SN74HC240DWR stands out for its low power consumption, high-speed operation, and robust performance across a wide voltage range.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Installation Method | Surface Mount | - | - |
| Pin Count | 20 | - | - |
| Supply Voltage | 2.00V ~ 6.00V | V | - |
| Package | SOIC-20 | - | - |
| Output Interface Count | 8 | - | - |
| Circuit Count | 2 | - | - |
| Channel Count | 8 | - | - |
| Propagation Delay Time | 21.0 | ns | - |
| Output Current Drive | -1.00 | mA | - |
| Input Count | 8 | - | - |
| Operating Temperature | -40℃ ~ 85℃ | ℃ | - |
| Length | 12.8 | mm | - |
| Width | 7.52 | mm | - |
| Height | 2.35 | mm | - |
Key Features
- High-speed CMOS logic with low power consumption.
- Compatible with CMOS and TTL logic levels.
- 3-state outputs for bus-oriented applications.
- Wide operating voltage range (2V to 6V).
- Robust performance in industrial and automotive environments.
Applications
The SN74HC240DWR is ideal for applications requiring signal buffering and driving in digital systems. It is commonly used in industrial automation, automotive electronics, and consumer electronics. Specific applications include data bus management, signal isolation, and level shifting. Its 3-state outputs make it suitable for bus-oriented systems, such as microcontrollers and communication interfaces.
Q & A
What is the operating voltage range of the SN74HC240DWR?
The operating voltage range is 2V to 6V.
What is the maximum propagation delay time?
The maximum propagation delay time is 21.0 ns.
Is the SN74HC240DWR compatible with TTL logic levels?
Yes, it is compatible with both CMOS and TTL logic levels.
What is the package type of the SN74HC240DWR?
It is packaged in a 20-pin SOIC format.
What are the typical applications of this component?
Typical applications include signal buffering, data bus management, and level shifting.
What is the operating temperature range?
The operating temperature range is -40℃ to 85℃.
Does the SN74HC240DWR support 3-state outputs?
Yes, it supports 3-state outputs for bus-oriented applications.
What is the output current drive capability?
The output current drive capability is -1.00 mA.
How many channels does the SN74HC240DWR have?
It has 8 channels.
Is the SN74HC240DWR suitable for automotive applications?
Yes, it is robust and suitable for automotive environments.
