Encyclopedia Entry: 74LVC1G123DCUTG4

Product Overview

Category

The 74LVC1G123DCUTG4 belongs to the category of integrated circuits (ICs) and specifically falls under the family of logic gates.

Use

This product is primarily used for digital logic applications, where it functions as a retriggerable monostable multivibrator or a pulse generator.

Characteristics

• Low-voltage CMOS technology
• Wide operating voltage range: 1.65V to 5.5V
• High noise immunity
• Schmitt-trigger action on inputs
• Small package size
• Low power consumption

Package and Quantity

The 74LVC1G123DCUTG4 is available in a small SOT-353 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay: 3.9 ns (typical)
• Maximum Quiescent Current: 10 μA

Detailed Pin Configuration

The 74LVC1G123DCUTG4 has a total of five pins:

1. Pin 1: Input (A)
2. Pin 2: Ground (GND)
3. Pin 3: Output (Q)
4. Pin 4: Power Supply (VCC)
5. Pin 5: Input (CLR)

Functional Features

The key functional features of the 74LVC1G123DCUTG4 include:

• Retriggerable monostable operation
• Adjustable pulse width through external resistor and capacitor
• Schmitt-trigger inputs for improved noise immunity
• Output pulse width independent of input pulse duration

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various systems
• Low power consumption makes it suitable for battery-powered applications
• Small package size enables space-saving designs
• High noise immunity ensures reliable operation in noisy environments

Disadvantages

• Limited functionality as a single logic gate, not suitable for complex logic operations
• Lack of built-in protection features against overvoltage or electrostatic discharge (ESD)

Working Principles

The 74LVC1G123DCUTG4 operates based on the principles of retriggerable monostable multivibrator. It generates a pulse output of a fixed duration when triggered by an input signal. The pulse width can be adjusted using external resistor and capacitor components.

Detailed Application Field Plans

The 74LVC1G123DCUTG4 finds applications in various fields, including:

1. Timing circuits: Used to generate precise time delays in microcontrollers, digital systems, and communication devices.
2. Control systems: Employed in control units to trigger specific actions or events at predetermined intervals.
3. Sensor interfacing: Utilized to interface sensors with microcontrollers, enabling accurate timing and synchronization.

Detailed Alternative Models

Several alternative models with similar functionality to the 74LVC1G123DCUTG4 include:

1. SN74LVC1G123DBVR
2. MC74VHC1G123DTT1G
3. TC7SZ123AFK(TE85L,F)

These alternatives offer comparable features and can be used interchangeably depending on specific design requirements.

In conclusion, the 74LVC1G123DCUTG4 is a versatile integrated circuit that serves as a retriggerable monostable multivibrator. Its low-voltage CMOS technology, wide operating voltage range, and small package size make it suitable for various digital logic applications. However, its limited functionality as a single logic gate and lack of built-in protection features should be considered in complex designs.