74HC393D

Product Overview

Category

The 74HC393D is a digital integrated circuit belonging to the category of high-speed CMOS logic devices.

Use

This device is primarily used for binary counter applications, where it can divide input clock signals by powers of two.

Characteristics

• High-speed operation: The 74HC393D operates at a high clock frequency, making it suitable for time-critical applications.
• Low power consumption: This IC consumes low power, making it energy-efficient.
• Wide supply voltage range: It can operate within a wide range of supply voltages, typically between 2V and 6V.
• Schmitt-trigger inputs: The device features Schmitt-trigger inputs, which provide hysteresis and improve noise immunity.
• Output capability: The 74HC393D has high output current capability, allowing it to drive various loads.

Package

The 74HC393D is available in a standard 14-pin dual in-line package (DIP), which facilitates easy integration into electronic circuits.

Essence

The essence of the 74HC393D lies in its ability to count binary signals and divide them by powers of two, providing a versatile solution for frequency division applications.

Packaging/Quantity

This IC is commonly packaged in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

• Supply voltage: 2V to 6V
• Input voltage: 0V to Vcc
• Operating temperature range: -40°C to +125°C
• Maximum propagation delay: 25 ns
• Maximum clock frequency: 50 MHz

Detailed Pin Configuration

The 74HC393D has 14 pins, each serving a specific function. Here is the detailed pin configuration:

1. Clock input A (CLKA)
2. Clock input B (CLKB)
3. Reset input (RESET)
4. Data input A (DATAA)
5. Data input B (DATAB)
6. Output Q0
7. Output Q1
8. Output Q2
9. Output Q3
10. Output Q4
11. Output Q5
12. Output Q6
13. Output Q7
14. Ground (GND)

Functional Features

The 74HC393D offers the following functional features:

• Binary counter: It can count binary signals and divide them by powers of two.
• Asynchronous reset: The device includes a reset input that allows for immediate clearing of the counter.
• Parallel data inputs: Two sets of parallel data inputs enable flexible counting configurations.
• Synchronous operation: The counter operates synchronously with the clock inputs, ensuring accurate counting.

Advantages and Disadvantages

Advantages

• High-speed operation enables time-critical applications.
• Low power consumption makes it energy-efficient.
• Wide supply voltage range provides flexibility in various systems.
• Schmitt-trigger inputs enhance noise immunity.
• High output current capability allows driving different loads.

Disadvantages

• Limited maximum clock frequency compared to some other ICs.
• May require additional external components for specific applications.

Working Principles

The 74HC393D functions as a synchronous binary counter. It counts the rising edges of the clock input signal and divides it by powers of two. The counter can be reset asynchronously using the reset input. The parallel data inputs allow for flexible counting configurations, enabling various division ratios.

Detailed Application Field Plans

The 74HC393D finds applications in various fields, including: - Frequency division circuits - Digital clocks and timers - Industrial automation systems - Communication equipment - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HC393D include: - CD40193 - SN74LS393 - MC14093B

These alternatives can be considered based on specific requirements and availability.

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