CD14538BE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics:
  • Dual precision monostable multivibrator
  • Wide supply voltage range
  • High noise immunity
• Package: DIP-16 (Dual In-line Package, 16 pins)
• Essence: The CD14538BE is a dual precision monostable multivibrator IC used in digital logic circuits.
• Packaging/Quantity: Available in tubes of 25 or reels of 1000.

Specifications

• Supply Voltage Range: 3V to 18V
• Operating Temperature Range: -55°C to +125°C
• Propagation Delay Time: 60 ns (typical)
• Trigger Pulse Width Range: 30 ns to 10 s
• Output Current: ±10 mA
• Power Dissipation: 500 mW

Detailed Pin Configuration

The CD14538BE has a total of 16 pins. Here is the pin configuration:

1. Pin 1: Trigger Input A
2. Pin 2: Trigger Input B
3. Pin 3: Reset Input
4. Pin 4: Output Q1
5. Pin 5: Output Q2
6. Pin 6: Ground (GND)
7. Pin 7: Output Q3
8. Pin 8: Output Q4
9. Pin 9: VCC (+Ve Supply Voltage)
10. Pin 10: Control Voltage
11. Pin 11: Threshold Input
12. Pin 12: Discharge
13. Pin 13: Output Q5
14. Pin 14: Output Q6
15. Pin 15: Unconnected
16. Pin 16: Unconnected

Functional Features

• Dual precision monostable multivibrator
• Wide supply voltage range allows for versatile applications
• High noise immunity ensures reliable operation in noisy environments
• Trigger pulse width can be adjusted from 30 ns to 10 s
• Outputs can sink or source up to ±10 mA of current

Advantages and Disadvantages

Advantages: - Dual functionality saves board space and reduces component count - Wide supply voltage range increases flexibility in circuit design - High noise immunity enhances reliability in noisy environments

Disadvantages: - Limited output current capability may restrict certain applications - Propagation delay time may affect timing-sensitive circuits

Working Principles

The CD14538BE operates as a dual precision monostable multivibrator. It generates a single output pulse of a specified duration when triggered by an input signal. The trigger pulse width can be adjusted using external components connected to the control voltage and threshold input pins.

Detailed Application Field Plans

The CD14538BE is commonly used in various digital logic applications, including but not limited to: - Timing circuits - Pulse generation - Frequency division - Delay circuits - Sequential logic circuits

Detailed and Complete Alternative Models

Here are some alternative models that can be considered as replacements for the CD14538BE:

1. CD74HC123E
2. MC14538B
3. HEF4538BP
4. SN74LS123N
5. HCF4538BE

These alternatives offer similar functionality and can be used interchangeably depending on specific requirements.

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