Overview
The SN74HC126DRE4 is a high-performance quad bus buffer gate with 3-state outputs, manufactured by Texas Instruments. This component belongs to the 74HC series and is designed for use in digital logic applications. It is particularly suitable for applications requiring buffering, line driving, or signal isolation. The device operates within a wide voltage range of 2V to 6V and is capable of driving up to 10 LSTTL loads, making it a versatile choice for various electronic systems. Its 3-state outputs allow for high-impedance states, enabling efficient bus management in multi-device configurations.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Category | Logic - Buffers, Drivers, Receivers, Transceivers | ||
| Description | IC BUS BUFF TRI-ST QD 14SOICN | ||
| Logic Type | Buffer/Line Driver, Non-Inverting | ||
| Number of Elements | 4 | ||
| Bits per Element | 1 | ||
| Output Current (High/Low) | 7.8mA, 7.8mA | ||
| Supply Voltage | 2 V ~ 6 V | ||
| Operating Temperature | -40°C ~ 85°C | ||
| Mounting Type | Surface Mount | ||
| Package/Case | 14-SOIC (0.154", 3.90mm Width) | ||
| Supplier Device Package | 14-SOIC | ||
| Packaging | Cut Tape (CT) |
Key Features
- Quad non-inverting buffer/line driver with 3-state outputs.
- Wide operating voltage range: 2V to 6V.
- High output current capability: 7.8mA (both high and low).
- Compatible with LSTTL logic levels.
- Low power consumption compared to traditional TTL devices.
- Robust performance in industrial temperature ranges (-40°C to 85°C).
Applications
The SN74HC126DRE4 is widely used in digital systems for buffering and signal isolation. Typical applications include:
- Industrial Automation: Signal conditioning and isolation in control systems.
- Consumer Electronics: Interface logic in devices such as TVs, gaming consoles, and home appliances.
- Automotive Electronics: Signal buffering in vehicle control modules.
- Communication Systems: Bus management in networking equipment.
- Embedded Systems: GPIO expansion and signal buffering in microcontrollers.
Q & A
1. What is the function of the SN74HC126DRE4?
The SN74HC126DRE4 is a quad bus buffer gate with 3-state outputs, designed for buffering and line driving in digital systems.
2. What is the operating voltage range of this component?
The device operates within a voltage range of 2V to 6V.
3. What is the output current capability?
The output current is 7.8mA for both high and low states.
4. Is the SN74HC126DRE4 compatible with LSTTL logic?
Yes, it is compatible with LSTTL logic levels.
5. What is the operating temperature range?
The component operates in a temperature range of -40°C to 85°C.
6. What is the package type of the SN74HC126DRE4?
It comes in a 14-SOIC (Small Outline Integrated Circuit) package.
7. How many elements are there in this device?
There are four elements, each with one bit.
8. What are the key features of this component?
Key features include quad non-inverting buffers, 3-state outputs, and compatibility with LSTTL logic.
9. What are the typical applications of the SN74HC126DRE4?
Typical applications include industrial automation, consumer electronics, automotive electronics, communication systems, and embedded systems.
10. What is the significance of the 3-state outputs?
The 3-state outputs allow the device to enter a high-impedance state, enabling efficient bus management in multi-device configurations.
