CD14538BPW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics:
  • High-speed CMOS technology
  • Dual precision monostable multivibrator
  • Wide supply voltage range: 3V to 18V
• Package: PDIP (Plastic Dual In-line Package)
• Essence: This IC is designed to generate accurate and stable time delays or pulses.
• Packaging/Quantity: Available in tubes of 25 pieces or reels of 2,500 pieces.

Specifications

• Supply Voltage Range: 3V to 18V
• Input Voltage Range: 0V to VDD
• Operating Temperature Range: -55°C to +125°C
• Output Current: ±20mA
• Propagation Delay Time: 60ns (typical)
• Trigger Pulse Width: 30ns (typical)

Detailed Pin Configuration

The CD14538BPW IC has a total of 16 pins. The pin configuration is as follows:

1. Pin 1: A - Input A
2. Pin 2: B - Input B
3. Pin 3: CLR - Clear Input
4. Pin 4: REXT - External Resistor
5. Pin 5: CEXT - External Capacitor
6. Pin 6: Q - Output Q
7. Pin 7: Q̅ - Complementary Output Q̅
8. Pin 8: GND - Ground
9. Pin 9: Q - Output Q
10. Pin 10: Q̅ - Complementary Output Q̅
11. Pin 11: VDD - Positive Power Supply
12. Pin 12: A - Input A
13. Pin 13: B - Input B
14. Pin 14: CLR - Clear Input
15. Pin 15: REXT - External Resistor
16. Pin 16: CEXT - External Capacitor

Functional Features

• Dual precision monostable multivibrator
• Accurate and stable time delay generation
• Wide supply voltage range allows for versatile applications
• High-speed CMOS technology ensures fast operation
• Trigger pulse width can be adjusted using external resistor and capacitor

Advantages and Disadvantages

Advantages: - Accurate and stable time delay generation - Wide supply voltage range allows for flexibility in different applications - High-speed CMOS technology ensures fast operation

Disadvantages: - Limited output current capacity (±20mA) - Propagation delay time may vary depending on operating conditions

Working Principles

The CD14538BPW is a dual precision monostable multivibrator IC. It generates accurate and stable time delays or pulses based on the input signals provided to its A and B pins. The duration of the output pulse is determined by an external resistor (REXT) and capacitor (CEXT). The CLR pin can be used to reset the multivibrator, and the Q and Q̅ pins provide complementary outputs.

Detailed Application Field Plans

The CD14538BPW IC finds applications in various fields where precise time delay generation is required. Some of the potential application areas include:

1. Timing circuits in digital systems
2. Pulse width modulation (PWM) control
3. Delayed triggering in electronic circuits
4. Sequential timing in microcontroller-based systems
5. Precision timing in communication systems

Detailed and Complete Alternative Models

1. CD14538BE: Same functionality as CD14538BPW but available in a ceramic DIP package.
2. MC14538: Equivalent IC from Motorola with similar specifications and features.
3. HEF4538BP: Similar dual precision monostable multivibrator IC from NXP Semiconductors.

These alternative models can be considered based on availability, pricing, and specific requirements of the application.

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