Encyclopedia Entry: 74HCT393D,653

Product Overview

Category

The 74HCT393D,653 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic circuits for various applications.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Schmitt-trigger inputs
• Dual 4-bit binary ripple counter

Package

The 74HCT393D,653 is available in a small-outline package (SOIC) with 14 pins.

Essence

The essence of this product lies in its ability to perform high-speed counting and provide reliable digital signal processing.

Packaging/Quantity

The 74HCT393D,653 is typically packaged in reels or tubes, containing a specific quantity of ICs per package.

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Maximum Clock Frequency: 25 MHz

Detailed Pin Configuration

1. CP1: Clock input for counter 1
2. CP2: Clock input for counter 2
3. Q0: Output for counter 1, least significant bit (LSB)
4. Q1: Output for counter 1, second least significant bit
5. Q2: Output for counter 1, third least significant bit
6. Q3: Output for counter 1, most significant bit (MSB)
7. Q3: Output for counter 2, most significant bit (MSB)
8. Q2: Output for counter 2, third least significant bit
9. Q1: Output for counter 2, second least significant bit
10. Q0: Output for counter 2, least significant bit (LSB)
11. MR: Master reset input (active LOW)
12. GND: Ground
13. VCC: Positive supply voltage
14. CP1/CP2: Clock input for both counters (common clock)

Functional Features

• Dual 4-bit binary ripple counter with asynchronous reset
• Independent clock inputs for each counter
• Outputs can be used as a 4-bit binary number or as separate outputs
• Schmitt-trigger inputs for improved noise immunity
• Low power consumption makes it suitable for battery-powered devices

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient counting in digital circuits
• Wide operating voltage range provides flexibility in various applications
• Schmitt-trigger inputs enhance noise immunity, ensuring reliable signal processing
• Low power consumption prolongs battery life in portable devices

Disadvantages

• Limited to 4-bit counting, may not be suitable for applications requiring higher bit counts
• Requires careful consideration of clock synchronization when using multiple counters

Working Principles

The 74HCT393D,653 operates as a dual 4-bit binary ripple counter. It counts the incoming clock pulses and generates corresponding binary outputs. The counters can be reset asynchronously using the master reset input (MR). The Schmitt-trigger inputs ensure stable and accurate clock signal detection, even in the presence of noise.

Detailed Application Field Plans

The 74HCT393D,653 finds applications in various digital electronic systems, including but not limited to: - Frequency dividers - Event counters - Digital clocks - Data communication systems - Industrial automation - Robotics

Detailed and Complete Alternative Models

• 74HC393: Similar functionality, but operates at a different voltage range (2V to 6V)
• CD4013: Dual D-type flip-flop with similar pin configuration
• 74LS393: Similar functionality, but operates at a different voltage range (4.75V to 5.25V)

These alternative models can be considered based on specific project requirements and compatibility with existing circuitry.

In conclusion, the 74HCT393D,653 is a versatile integrated circuit that offers high-speed counting and reliable digital signal processing capabilities. Its wide operating voltage range, low power consumption, and Schmitt-trigger inputs make it suitable for various applications in the field of digital electronics.

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