SN74HC125PWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: High-speed, Non-Inverting, Quad Bus Buffer Gate
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic Level Translation and Signal Amplification
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 50 MHz
• Number of Channels: 4
• Output Current: ±8mA
• Propagation Delay Time: 9 ns (typical)

Detailed Pin Configuration

The SN74HC125PWRE4 has a total of 14 pins. The pin configuration is as follows:

1. OE (Output Enable) - Active Low Output Enable
2. Y1 - Output 1
3. A1 - Input 1
4. GND - Ground
5. A2 - Input 2
6. Y2 - Output 2
7. A3 - Input 3
8. VCC - Power Supply
9. Y3 - Output 3
10. A4 - Input 4
11. Y4 - Output 4
12. GND - Ground
13. NC (No Connection)
14. OE (Output Enable) - Active Low Output Enable

Functional Features

• Non-Inverting Buffer/Driver
• High-Speed Operation
• Logic Level Translation
• Wide Supply Voltage Range
• 3-State Outputs for Bus Oriented Applications
• Schmitt-Trigger Inputs for Noise Immunity

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient signal transmission. - Non-inverting feature simplifies circuit design. - Wide supply voltage range provides flexibility in various applications. - Schmitt-trigger inputs ensure noise immunity.

Disadvantages: - Limited output current may restrict use in certain high-power applications. - Propagation delay time may affect timing-sensitive systems.

Working Principles

The SN74HC125PWRE4 is a quad bus buffer gate that operates as a non-inverting driver. It is designed to provide logic level translation and signal amplification. The device takes input signals and amplifies them to drive output signals with minimal distortion. The 3-state outputs allow multiple devices to be connected to a common bus, enabling bidirectional communication.

Detailed Application Field Plans

The SN74HC125PWRE4 is commonly used in various applications, including:

1. Microcontroller Interfacing: The IC can be used to interface microcontrollers with different voltage levels, ensuring compatibility between different logic families.
2. Level Shifting: It can be employed to shift logic levels between different voltage domains, facilitating communication between systems operating at different voltages.
3. Signal Amplification: The device can amplify weak signals, enhancing their strength for further processing or transmission.
4. Bus Driving: It is suitable for driving buses in digital systems, allowing multiple devices to communicate over a shared data bus.

Detailed and Complete Alternative Models

Some alternative models to the SN74HC125PWRE4 include:

1. SN74HCT125PWRE4: Similar to SN74HC125PWRE4 but with TTL (Transistor-Transistor Logic) compatible inputs.
2. SN74LVC125APWRE4: Low-Voltage CMOS (Complementary Metal-Oxide-Semiconductor) version of the SN74HC125PWRE4, suitable for low-power applications.
3. SN74AHC125PWRE4: Advanced High-Speed CMOS version of the SN74HC125PWRE4, offering improved speed and lower power consumption.

These alternative models provide similar functionality but may have different characteristics or specifications to suit specific application requirements.

In conclusion, the SN74HC125PWRE4 is a high-speed non-inverting quad bus buffer gate used for logic level translation and signal amplification. It offers advantages such as wide supply voltage range and noise immunity, while its limitations include limited output current and propagation delay time. The IC finds applications in microcontroller interfacing, level shifting, signal amplification, and bus driving. Alternative models like SN74HCT125PWRE4, SN74LVC125APWRE4, and SN74AHC125PWRE4 offer variations in compatibility, power consumption, and speed.