Overview
The SN74LS240NE4, manufactured by Texas Instruments, is a dual 4-input inverter integrated circuit (IC) belonging to the 74LS series. This IC is designed for use in digital logic applications, offering robust performance in buffering and signal inversion tasks. Its market positioning targets engineers and designers working on digital systems, particularly those requiring reliable signal management and control. The SN74LS240NE4 stands out for its tri-state output capability, which allows for efficient bus management and reduced power consumption.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Category | Logic - Gates and Inverters | - | - |
| Description | IC INVERTER DUAL 4-INPUT 20DIP | - | - |
| Series | 74LS | - | - |
| Manufacturer | Texas Instruments | - | - |
| Logic Type | Inverter, Buffer | - | - |
| Number of Circuits | 2 | - | - |
| Number of Inputs | 4 | - | - |
| Features | Tri-State | - | - |
| Supply Voltage | 4.75 ~ 5.25 | V | - |
| Output Current (High/Low) | 15mA, 24mA | mA | - |
| Logic Level (Low) | 0.8 | V | - |
| Logic Level (High) | 2 | V | - |
| Propagation Delay | 18ns @ 5V, 45pF | ns | - |
| Operating Temperature | 0 ~ 70 | °C | - |
| Mounting Type | Through Hole | - | - |
| Package | 20-DIP (0.300", 7.62mm) | - | - |
Key Features
- Dual 4-input inverter with tri-state output capability.
- Designed for reliable signal buffering and inversion in digital systems.
- Low power consumption and efficient bus management.
- Wide operating voltage range (4.75V to 5.25V).
- Robust performance in industrial temperature ranges (0°C to 70°C).
Applications
The SN74LS240NE4 is widely used in digital logic applications, including industrial automation, consumer electronics, and automotive systems. Its tri-state output feature makes it ideal for bus-oriented systems, where multiple devices share a common data line. Additionally, its robust design ensures reliable performance in environments with varying temperatures and electrical noise.
Q & A
1. What is the function of the SN74LS240NE4?
The SN74LS240NE4 is a dual 4-input inverter IC used for signal buffering and inversion in digital logic circuits.
2. What is the operating voltage range of the SN74LS240NE4?
The operating voltage range is 4.75V to 5.25V.
3. What is the significance of the tri-state output feature?
The tri-state output allows the device to disconnect from the bus, enabling efficient bus management and reducing power consumption.
4. What is the maximum propagation delay of the SN74LS240NE4?
The maximum propagation delay is 18ns at 5V with a 45pF load.
5. What is the operating temperature range of the SN74LS240NE4?
The operating temperature range is 0°C to 70°C.
6. What package does the SN74LS240NE4 come in?
It comes in a 20-DIP (0.300", 7.62mm) package.
7. How many input lines does the SN74LS240NE4 have?
It has 4 input lines.
8. What is the output current capability of the SN74LS240NE4?
The output current is 15mA (high) and 24mA (low).
9. Is the SN74LS240NE4 RoHS compliant?
Yes, it is RoHS compliant.
10. What are typical applications of the SN74LS240NE4?
Typical applications include industrial automation, consumer electronics, and automotive systems.
