CD4538BCMX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Multivibrator
• Characteristics: Dual Precision Monostable Multivibrator
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The CD4538BCMX is a dual precision monostable multivibrator IC that can be used in various timing applications.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Supply Voltage Range: 3V to 18V
• Trigger and Reset Propagation Delay: 45ns (typical)
• Trigger and Reset Pulse Width: 28ns (typical)
• Operating Temperature Range: -55°C to +125°C
• Output Current: ±10mA

Detailed Pin Configuration

The CD4538BCMX has a total of 16 pins. Here is the detailed pin configuration:

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

Functional Features

• Dual monostable multivibrator with independent trigger and reset inputs.
• Wide supply voltage range allows for flexibility in different applications.
• Precise timing characteristics with low propagation delay and pulse width.
• Control voltage input for adjusting the timing period.
• Discharge outputs for external capacitor discharge control.

Advantages and Disadvantages

Advantages

• Dual monostable multivibrator allows for independent timing control.
• Wide supply voltage range enables usage in various electronic systems.
• Precise timing characteristics ensure accurate timing operations.
• Compact SOIC package offers space-saving benefits.

Disadvantages

• Limited output current may restrict usage in high-power applications.
• Lack of built-in protection features against voltage spikes or ESD events.

Working Principles

The CD4538BCMX operates as a dual precision monostable multivibrator. It can be triggered by applying a positive pulse to either Trigger A or Trigger B inputs. The output remains in a stable state until a trigger pulse is received. Upon triggering, the output switches to the opposite state for a specific duration determined by the external timing components.

The reset inputs (Reset A and Reset B) allow for premature termination of the timing period. When a reset pulse is applied, the output returns to its stable state before the completion of the timing period.

The timing period is determined by the values of the external resistor and capacitor connected to the Threshold A and Threshold B inputs. The control voltage input can be used to adjust the timing period by altering the charging and discharging rates of the timing capacitor.

Detailed Application Field Plans

The CD4538BCMX finds applications in various fields where precise timing control is required. Some potential application areas include:

1. Timing circuits in digital systems.
2. Pulse generation for communication systems.
3. Delay circuits in instrumentation and control systems.
4. Sequential timing in industrial automation.
5. Precision timing in scientific experiments.

Detailed and Complete Alternative Models

• CD4538B: Single precision monostable multivibrator IC.
• CD4098B: Dual precision monostable multivibrator IC with complementary outputs.
• NE555: Timer IC with similar functionality but different pin configuration.

(Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's datasheets for a complete list of alternatives.)

This entry provides an overview of the CD4538BCMX, including its product category, use, characteristics, package, essence, packaging/quantity information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.