Overview
The SN74HC240DW is a high-performance CMOS logic integrated circuit manufactured by Texas Instruments. It belongs to the 74HC series, specifically designed as an octal buffer and line driver with 3-state outputs. This model is widely used in applications requiring signal buffering, inversion, and driving capabilities. Its silicon-gate CMOS technology ensures low power consumption while maintaining high-speed operation comparable to LSTTL logic. The SN74HC240DW is particularly suitable for industrial, automotive, and consumer electronics applications due to its robustness and versatility.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Type | Buffer, Inverting | - | - |
| Number of Elements | 2 | - | - |
| Bits per Element | 4 | - | - |
| Output Type | Push-Pull | - | - |
| Output Current (High, Low) | 7.8, 7.8 | mA | - |
| Supply Voltage | 2 to 6 | V | - |
| Operating Temperature | -40 to 85 | °C | - |
| Mounting Type | Surface Mount | - | - |
| Package / Case | 20-SOIC | - | 7.50mm wide |
| Standard Package | 25 | - | - |
Key Features
- Silicon-gate CMOS technology for low power consumption.
- High-speed operation comparable to LSTTL logic.
- Wide operating voltage range of 2V to 6V.
- 3-state outputs for bus-oriented applications.
- Push-pull output configuration for robust signal driving.
Applications
The SN74HC240DW is ideal for use in a variety of applications, including industrial automation, automotive electronics, and consumer electronics. It is commonly employed as a signal buffer, line driver, or bus interface in systems requiring high-speed data transmission and signal integrity. Its 3-state outputs make it particularly useful in multi-drop bus configurations, such as memory address drivers and clock drivers.
Q & A
1. What is the logic type of SN74HC240DW?
The SN74HC240DW is an inverting buffer.
2. What is the operating voltage range?
The operating voltage range is 2V to 6V.
3. What is the output current capability?
The output current is 7.8mA for both high and low states.
4. What is the package type?
The package type is 20-SOIC (7.50mm wide).
5. What are the key features of SN74HC240DW?
Key features include low power consumption, high-speed operation, and 3-state outputs.
6. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
7. What are typical applications?
Typical applications include industrial automation, automotive electronics, and consumer electronics.
8. How many bits per element does it support?
It supports 4 bits per element.
9. What is the output type?
The output type is push-pull.
10. Is it suitable for bus-oriented applications?
Yes, its 3-state outputs make it suitable for bus-oriented applications.
