MC74HC4538ADTR2

Product Overview

• Category: Integrated Circuit (IC)
• Use: Multivibrator
• Characteristics: High-speed, dual retriggerable monostable multivibrator
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Reliable timing control for various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• Trigger and Reset Propagation Delay: 13ns (typical)
• Trigger and Reset Pulse Width: 20ns (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Drive Capability: 10 LSTTL Loads
• Power Dissipation: 500mW (max)

Detailed Pin Configuration

The MC74HC4538ADTR2 has a total of 16 pins, which are assigned as follows:

1. Pin 1: Control Voltage (CV)
2. Pin 2: Trigger (TR)
3. Pin 3: Reset (R)
4. Pin 4: Ground (GND)
5. Pin 5: Output B (Qb)
6. Pin 6: Output A (Qa)
7. Pin 7: Discharge (DIS)
8. Pin 8: VCC
9. Pin 9: Output Y (Qy)
10. Pin 10: Output Z (Qz)
11. Pin 11: Control Voltage (CV)
12. Pin 12: Trigger (TR)
13. Pin 13: Reset (R)
14. Pin 14: Ground (GND)
15. Pin 15: Output B (Qb)
16. Pin 16: Output A (Qa)

Functional Features

• Dual retriggerable monostable multivibrator
• Precise control of output pulse width
• Wide supply voltage range for flexibility
• High-speed operation for time-critical applications
• Low power consumption

Advantages and Disadvantages

Advantages: - Reliable timing control - Dual outputs for versatile applications - Easy integration into existing circuits - Compact SOIC package for space-saving designs

Disadvantages: - Limited output drive capability - Requires external components for precise timing control

Working Principles

The MC74HC4538ADTR2 is a dual retriggerable monostable multivibrator. It generates an output pulse of a specific width when triggered by an external signal. The pulse width can be controlled using the control voltage (CV) pin. The device can be reset using the reset (R) pin, and the discharge (DIS) pin allows for quick discharge of the timing capacitor.

Detailed Application Field Plans

The MC74HC4538ADTR2 finds applications in various fields, including:

1. Timing circuits in electronic appliances
2. Pulse generation for communication systems
3. Precision timing control in industrial automation
4. Delay circuits in automotive electronics
5. Sequential logic circuits in digital systems

Detailed and Complete Alternative Models

1. CD4538BCN: CMOS Dual Monostable Multivibrator
2. SN74LS123N: Dual Retriggerable Monostable Multivibrator
3. NE555P: Precision Timer IC
4. CD4047BE: Monostable/Astable Multivibrator

These alternative models offer similar functionality and can be used as substitutes for the MC74HC4538ADTR2 in various applications.

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