Encyclopedia Entry: 74HCT93D,118

Product Overview

Category

The 74HCT93D,118 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
• Compatibility with TTL (Transistor-Transistor Logic) inputs
• Wide operating voltage range
• Schmitt-trigger action on all inputs

Package

The 74HCT93D,118 is available in a small-outline package (SOIC), which allows for easy integration into circuit boards.

Essence

This integrated circuit is designed to provide reliable and efficient digital signal processing capabilities.

Packaging/Quantity

The 74HCT93D,118 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: 25MHz

Detailed Pin Configuration

The 74HCT93D,118 has a total of 14 pins, each serving a specific function:

1. Pin 1: Clock Input A
2. Pin 2: Clock Input B
3. Pin 3: Clock Input C
4. Pin 4: Reset Input
5. Pin 5: Output Q0
6. Pin 6: Output Q1
7. Pin 7: Output Q2
8. Pin 8: Output Q3
9. Pin 9: Ground (GND)
10. Pin 10: Output Carry
11. Pin 11: Output Borrow
12. Pin 12: Output Enable
13. Pin 13: VCC (Positive Power Supply)
14. Pin 14: Clock Enable

Functional Features

The 74HCT93D,118 is a 4-bit binary ripple counter that can be used in various applications. Its key functional features include:

• Counting and division of clock signals
• Asynchronous reset capability
• Carry and borrow outputs for cascading multiple counters
• Clock enable input for controlling counting operations

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient signal processing.
• Low power consumption makes it suitable for battery-powered devices.
• Compatibility with TTL inputs ensures easy integration with existing circuits.
• Wide operating voltage range provides flexibility in different applications.
• Schmitt-trigger action on all inputs enhances noise immunity.

Disadvantages

• Limited maximum clock frequency may restrict its use in high-frequency applications.
• The small-outline package may require additional precautions during soldering and handling.

Working Principles

The 74HCT93D,118 operates based on the principle of binary counting. It counts the number of clock pulses received at the clock inputs and generates corresponding output signals. The asynchronous reset input allows for resetting the counter to a specific initial state. The carry and borrow outputs facilitate cascading multiple counters for higher bit-count applications.

Detailed Application Field Plans

The 74HCT93D,118 finds applications in various fields, including but not limited to:

1. Digital frequency dividers
2. Time delay circuits
3. Event counters
4. Industrial automation systems
5. Communication equipment
6. Consumer electronics
7. Automotive electronics

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74HCT93D,118. Some notable alternatives include:

1. CD40193: 4-Bit Binary Up/Down Counter
2. SN74LS93: 4-Bit Binary Counter with Asynchronous Clear
3. MC14093B: Quad 2-Input NAND Schmitt Trigger

These alternative models can be considered based on specific application requirements and availability.

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