74LCX125BQX

Product Overview

Category

The 74LCX125BQX belongs to the category of integrated circuits (ICs) and specifically falls under the family of logic gates.

Use

This product is primarily used for signal level shifting and logic buffering in digital electronic circuits. It provides a convenient way to interface between devices operating at different voltage levels.

Characteristics

• Low-voltage operation: The 74LCX125BQX operates at a low voltage range, typically between 1.65V and 3.6V.
• High-speed performance: It offers fast switching speeds, making it suitable for high-frequency applications.
• Wide operating temperature range: The device can operate reliably within a wide temperature range, typically from -40°C to 85°C.
• Low power consumption: The 74LCX125BQX is designed to consume minimal power, making it energy-efficient.

Package

The 74LCX125BQX is available in a small outline integrated circuit (SOIC) package. This package type provides ease of handling and compatibility with standard PCB manufacturing processes.

Essence

The essence of the 74LCX125BQX lies in its ability to provide voltage level translation and logic buffering functions, ensuring seamless communication between devices operating at different voltage levels.

Packaging/Quantity

The 74LCX125BQX is typically packaged in reels or tubes, containing a quantity of 250 or 300 units per package.

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Logic Family: LCX
• Number of Gates: 4
• Input/Output Compatibility: TTL/CMOS
• Propagation Delay: <5 ns
• Maximum Operating Frequency: 200 MHz
• Input Capacitance: 3 pF
• Output Drive Capability: ±24 mA

Detailed Pin Configuration

The 74LCX125BQX has a total of 14 pins, each serving a specific function. The pin configuration is as follows:

1. GND (Ground)
2. A1 (Input A1)
3. Y1 (Output Y1)
4. A2 (Input A2)
5. Y2 (Output Y2)
6. OE (Output Enable)
7. Y3 (Output Y3)
8. A3 (Input A3)
9. VCC (Power Supply)
10. Y4 (Output Y4)
11. B1 (Input B1)
12. B2 (Input B2)
13. B3 (Input B3)
14. GND (Ground)

Functional Features

• Voltage Level Shifting: The 74LCX125BQX allows for seamless translation of logic levels between different voltage domains, enabling compatibility between devices operating at varying voltages.
• Logic Buffering: It provides buffering capabilities to ensure signal integrity and prevent degradation when driving multiple loads or long traces.
• Output Enable Control: The OE pin allows the user to enable or disable the outputs, providing flexibility in controlling the flow of data.

Advantages and Disadvantages

Advantages

• Low-voltage operation makes it compatible with a wide range of digital systems.
• High-speed performance enables efficient data transmission in high-frequency applications.
• Low power consumption contributes to energy efficiency and longer battery life.
• Small package size facilitates space-saving integration into electronic designs.

Disadvantages

• Limited number of gates (4) may restrict its use in complex circuits requiring a higher gate count.
• Input/output compatibility limited to TTL/CMOS may not be suitable for all interface requirements.

Working Principles

The 74LCX125BQX operates based on complementary metal-oxide-semiconductor (CMOS) technology. It utilizes a combination of NMOS and PMOS transistors to achieve voltage level shifting and buffering functions. The inputs are protected against static discharge and excessive voltage levels, ensuring reliable operation.

Detailed Application Field Plans

The 74LCX125BQX finds applications in various fields, including but not limited to:

1. Microcontrollers and microprocessors: It enables communication between devices operating at different voltage levels, facilitating seamless integration of peripherals.
2. Communication systems: The device ensures compatibility between different logic families used in communication protocols, such as UART, SPI, and I2C.
3. Industrial automation: It is utilized in control systems to interface between sensors, actuators, and programmable logic controllers (PLCs).
4. Consumer electronics: The 74LCX125BQX is employed in devices like smartphones, tablets, and gaming consoles to enable efficient data transfer between components.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LCX125BQX include:

1. 74HCT125: This IC operates at higher voltage levels