CD74HCT4538M96E4

Product Overview

• Category: Integrated Circuit
• Use: Multivibrator and Timer
• Characteristics: High-speed CMOS logic, dual retriggerable monostable multivibrator
• Package: SOIC-16
• Essence: Reliable timing solution for various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 3.15V (Min), 5.5V (Max)
• Low-Level Input Voltage: -0.5V (Min), 1.5V (Max)
• High-Level Output Voltage: 4.4V (Min), 5.2V (Typ), 5.4V (Max)
• Low-Level Output Voltage: 0.4V (Min), 0.7V (Typ), 1V (Max)
• Maximum Operating Frequency: 50MHz

Detailed Pin Configuration

The CD74HCT4538M96E4 has a total of 16 pins:

1. Pin 1: VCC - Positive power supply
2. Pin 2: GND - Ground reference
3. Pin 3: MR - Master Reset input
4. Pin 4: CP1 - Control input 1
5. Pin 5: CP2 - Control input 2
6. Pin 6: Q1 - Output 1
7. Pin 7: Q2 - Output 2
8. Pin 8: Q3 - Output 3
9. Pin 9: Q4 - Output 4
10. Pin 10: RCext - External resistor/capacitor connection
11. Pin 11: REext - External resistor/capacitor connection
12. Pin 12: CE - Control Enable input
13. Pin 13: VEE - Negative power supply
14. Pin 14: NC - No Connection
15. Pin 15: NC - No Connection
16. Pin 16: NC - No Connection

Functional Features

• Dual retriggerable monostable multivibrator with independent control inputs
• Wide operating voltage range allows compatibility with various systems
• High-speed CMOS logic enables fast and accurate timing
• Flexible external resistor/capacitor connections for customizable timing parameters
• Master Reset input for immediate termination of the timing cycle

Advantages and Disadvantages

Advantages: - Reliable and precise timing solution - Dual multivibrator design provides flexibility in applications - High-speed operation for time-critical tasks - Easy integration into existing circuits

Disadvantages: - Limited maximum operating frequency compared to some alternatives - Requires external components for timing customization

Working Principles

The CD74HCT4538M96E4 is a dual retriggerable monostable multivibrator. It generates a pulse of a specific duration when triggered by an external signal. The timing parameters are determined by the external resistor and capacitor connected to the RCext and REext pins. The multivibrator can be retriggered during the timing cycle, extending the output pulse duration.

Detailed Application Field Plans

The CD74HCT4538M96E4 finds applications in various fields where precise timing is required. Some potential application areas include:

1. Industrial Automation: Timing control for conveyor belts, robotic arms, and process synchronization.
2. Automotive Electronics: Ignition timing, fuel injection control, and lighting system synchronization.
3. Communication Systems: Pulse shaping, clock generation, and data synchronization.
4. Consumer Electronics: Remote control systems, timing circuits for appliances, and audio/video synchronization.
5. Medical Equipment: Timing control for medical devices, patient monitoring systems, and diagnostic equipment.

Detailed and Complete Alternative Models

1. CD74HC4538E - Similar functionality with a different package (PDIP-16).
2. MC14538B - Dual precision monostable multivibrator with similar features.
3. 74HC123D - Dual retriggerable monostable multivibrator with adjustable timing parameters.

These alternative models offer comparable functionality and can be considered as substitutes for the CD74HCT4538M96E4 in various applications.

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