CD14538BM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: Dual Precision Monostable Multivibrator
• Package: 16-pin DIP (Dual In-line Package)
• Essence: High-speed CMOS technology
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 3V to 18V
• Input Voltage: 0V to VDD
• Operating Temperature Range: -55°C to +125°C
• Propagation Delay Time: 45 ns (typical)
• Output Current: ±20 mA
• Power Dissipation: 500 mW

Detailed Pin Configuration

1. Pin 1: Reset A
2. Pin 2: Trigger A
3. Pin 3: Threshold A
4. Pin 4: Control Voltage A
5. Pin 5: Discharge A
6. Pin 6: Output A
7. Pin 7: Ground
8. Pin 8: VDD
9. Pin 9: Reset B
10. Pin 10: Trigger B
11. Pin 11: Threshold B
12. Pin 12: Control Voltage B
13. Pin 13: Discharge B
14. Pin 14: Output B
15. Pin 15: VSS
16. Pin 16: VDD

Functional Features

• Dual monostable multivibrator with independent control inputs
• Wide supply voltage range allows for versatile applications
• Schmitt-trigger action on all inputs makes the circuit highly tolerant to noise
• Can be used as a pulse stretcher or delay generator
• Provides precise timing control in various digital systems

Advantages

• High-speed operation due to CMOS technology
• Low power consumption
• Wide operating temperature range
• Compact and easy-to-use 16-pin DIP package

Disadvantages

• Limited output current capacity
• Not suitable for high-power applications
• Requires external components for certain applications

Working Principles

The CD14538BM is a dual precision monostable multivibrator that generates a pulse of a specified duration in response to an external trigger signal. It consists of two independent monostable circuits, each with its own control inputs. The circuit utilizes high-speed CMOS technology, allowing for fast operation and low power consumption.

Detailed Application Field Plans

The CD14538BM can be used in various digital systems where precise timing control is required. Some potential application fields include:

1. Timing circuits in microcontrollers and microprocessors
2. Pulse stretching in communication systems
3. Delay generation in data transmission systems
4. Precision timing in industrial automation
5. Control signal generation in automotive electronics

Detailed and Complete Alternative Models

1. CD74HC123: Dual Retriggerable Monostable Multivibrator
2. MC14528B: Dual Precision Monostable Multivibrator
3. HEF4538BP: Dual Precision Monostable Multivibrator

These alternative models offer similar functionality and can be considered as substitutes for the CD14538BM in various applications.

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