Encyclopedia Entry: 74VHC393M

Product Overview

Category

The 74VHC393M is a digital integrated circuit belonging to the category of high-speed CMOS (Complementary Metal-Oxide-Semiconductor) logic devices.

Use

This device is primarily used for binary counter and divider applications in various electronic circuits.

Characteristics

• High-speed operation: The 74VHC393M offers fast switching speeds, making it suitable for time-critical applications.
• Low power consumption: This IC consumes minimal power, making it energy-efficient.
• Wide operating voltage range: It can operate within a wide voltage range, typically between 2V and 5.5V.
• Noise immunity: The device exhibits excellent noise immunity, ensuring reliable performance even in noisy environments.

Package and Quantity

The 74VHC393M is available in a standard surface-mount SOIC (Small Outline Integrated Circuit) package. Each package contains one IC.

Specifications

• Supply Voltage Range: 2V to 5.5V
• Logic Family: VHC
• Number of Flip-Flops: 2
• Number of Inputs per Flip-Flop: 2
• Maximum Clock Frequency: 100 MHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The 74VHC393M features a 14-pin SOIC package with the following pin configuration:

__ __ 1 | 1 14 | VCC 2 | 2 13 | Q0B 3 | 3 12 | Q1B 4 | 4 11 | Q1A 5 | 5 10 | Q0A 6 | 6 9 | CLK 7 | 7 8 | GND ‾‾ ‾‾

Functional Features

• Dual 4-bit binary counters: The 74VHC393M consists of two independent 4-bit binary counters, allowing for versatile counting and dividing operations.
• Asynchronous reset: It includes an asynchronous reset input that allows the counters to be reset to a predefined state.
• Synchronous operation: The device operates synchronously with a clock signal, ensuring accurate counting and dividing.

Advantages

• High-speed operation enables efficient processing of time-critical tasks.
• Low power consumption contributes to energy efficiency in electronic systems.
• Wide operating voltage range provides flexibility in various applications.
• Excellent noise immunity ensures reliable performance in noisy environments.

Disadvantages

• Limited number of flip-flops may restrict the complexity of certain applications.
• Lack of built-in error detection or correction mechanisms.

Working Principles

The 74VHC393M functions as a synchronous binary counter/divider. It counts or divides incoming clock pulses based on the applied control signals. The outputs represent the binary count or division of the input clock frequency.

Application Field Plans

The 74VHC393M finds application in various fields, including: 1. Digital frequency dividers 2. Event counters 3. Time delay circuits 4. Frequency synthesizers 5. Industrial automation systems

Alternative Models

Other alternative models that offer similar functionality to the 74VHC393M include: - CD40193 - SN74LS393 - MC14093B

In conclusion, the 74VHC393M is a high-speed CMOS logic device primarily used for binary counting and dividing applications. Its key features include high-speed operation, low power consumption, wide voltage range, and excellent noise immunity. With its dual 4-bit binary counters and synchronous operation, it offers versatility and accuracy in various electronic circuits. However, it has limitations in terms of the number of flip-flops and lacks built-in error detection mechanisms. The 74VHC393M finds application in digital frequency dividers, event counters, time delay circuits, frequency synthesizers, and industrial automation systems. Alternative models such as CD40193, SN74LS393, and MC14093B can be considered for similar functionality.

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