74HC4538D,653

Product Overview

Category

The 74HC4538D,653 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for precision timing and control applications.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Schmitt-trigger inputs for noise immunity
• Multiple configuration options for versatile use

Package

The 74HC4538D,653 is available in a small outline package (SOIC) with 16 pins.

Essence

The essence of this IC lies in its ability to generate precise time delays and control signals based on external input conditions.

Packaging/Quantity

The 74HC4538D,653 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: -0.5V to VCC + 0.5V
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay: 15 ns (typical)
• Maximum Clock Frequency: 50 MHz

Detailed Pin Configuration

The 74HC4538D,653 has 16 pins arranged as follows:

1. Pin 1: Clock Input A
2. Pin 2: Clock Input B
3. Pin 3: Reset Input
4. Pin 4: Data Input
5. Pin 5: Ground (GND)
6. Pin 6: Output Q1
7. Pin 7: Output Q2
8. Pin 8: Output Q3
9. Pin 9: Output Q4
10. Pin 10: Output Q5
11. Pin 11: Output Q6
12. Pin 12: Output Q7
13. Pin 13: Output Q8
14. Pin 14: VCC (Supply Voltage)
15. Pin 15: Clock Enable Input
16. Pin 16: Data Enable Input

Functional Features

The 74HC4538D,653 offers the following functional features:

• Dual monostable multivibrator with independent trigger inputs
• Configurable output pulse width and delay time
• Non-retriggerable or retriggerable operation modes
• Schmitt-trigger inputs for noise immunity
• Wide operating voltage range for compatibility with various systems

Advantages and Disadvantages

Advantages

• High-speed operation allows for precise timing control
• Low power consumption for energy-efficient applications
• Versatile configuration options cater to different requirements
• Noise immunity provided by Schmitt-trigger inputs ensures reliable performance

Disadvantages

• Limited maximum clock frequency of 50 MHz may not be suitable for high-speed applications
• Availability in SOIC package only may limit compatibility with certain systems

Working Principles

The 74HC4538D,653 operates based on the principles of a dual monostable multivibrator. It generates an output pulse upon receiving a trigger signal at the Clock Input A or B. The duration of the output pulse can be adjusted using external components connected to the Data Input pin. The IC can operate in non-retriggerable mode, where subsequent triggers are ignored until the current pulse ends, or retriggerable mode, where each trigger restarts the pulse.

Detailed Application Field Plans

The 74HC4538D,653 finds applications in various fields, including:

1. Timing circuits in digital systems
2. Delay generation for synchronization purposes
3. Pulse width modulation (PWM) control
4. Precision timing in communication systems
5. Industrial automation and control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HC4538D,653 include:

1. CD4538BCN
2. MC14538B
3. HEF4538BP
4. SN74HC4538N

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

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