HEF4538BP,652

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: Dual Precision Monostable Multivibrator
• Package: DIP-16 (Dual In-line Package with 16 pins)
• Essence: High-speed CMOS technology for precision timing applications
• Packaging/Quantity: Tape and Reel, 2,500 units per reel

Specifications

• Supply Voltage Range: 3V to 15V
• Operating Temperature Range: -40°C to +125°C
• Output Current: ±5.2mA
• Propagation Delay Time: 60ns (typical)
• Trigger Pulse Width: 30ns (minimum)

Detailed Pin Configuration

1. Pin 1: Control Voltage (CV)
2. Pin 2: Ground (GND)
3. Pin 3: Trigger (TR)
4. Pin 4: Reset (R)
5. Pin 5: Output Qn
6. Pin 6: Output Qn (inverted)
7. Pin 7: Discharge (DIS)
8. Pin 8: VDD
9. Pin 9: Threshold (TH)
10. Pin 10: Control Voltage (CV)
11. Pin 11: Ground (GND)
12. Pin 12: Trigger (TR)
13. Pin 13: Reset (R)
14. Pin 14: Output Qn
15. Pin 15: Output Qn (inverted)
16. Pin 16: Discharge (DIS)

Functional Features

• Dual monostable multivibrator with independent trigger and reset inputs
• Precise control over output pulse width using external timing components
• Wide supply voltage range allows compatibility with various systems
• High noise immunity due to the use of CMOS technology
• Low power consumption for energy-efficient applications

Advantages and Disadvantages

Advantages

• Dual monostable multivibrator provides flexibility in timing applications
• Precise control over output pulse width allows customization
• High-speed CMOS technology ensures accurate timing
• Wide supply voltage range enhances compatibility
• Low power consumption for energy-efficient designs

Disadvantages

• Limited number of pins may restrict the complexity of the circuit
• External timing components required for precise pulse width control

Working Principles

The HEF4538BP,652 is a dual precision monostable multivibrator IC. It consists of two independent monostable circuits that can be triggered and reset individually. The output pulse width is determined by external timing components connected to the CV (Control Voltage) and TH (Threshold) pins. When triggered, the output Qn goes high for a duration determined by the timing components. The output remains low until a reset signal is applied. The IC operates on a wide supply voltage range and utilizes high-speed CMOS technology for accurate timing.

Detailed Application Field Plans

1. Precision Timing Applications: The HEF4538BP,652 is commonly used in applications requiring precise timing control, such as clock synchronization, pulse generation, and time delay circuits.
2. Communication Systems: The IC can be utilized in communication systems for generating accurate timing signals during data transmission and reception.
3. Industrial Automation: In industrial automation, the IC can be employed for controlling timing sequences in various processes and equipment.
4. Automotive Electronics: The precise timing capabilities of the IC make it suitable for automotive applications like engine control units, ABS systems, and lighting control.
5. Consumer Electronics: The IC can be integrated into consumer electronic devices that require precise timing, such as digital cameras, audio equipment, and home automation systems.

Detailed and Complete Alternative Models

1. CD4538BCN: Similar dual precision monostable multivibrator IC with a different package (DIP-16).
2. MC14538B: Dual retriggerable/resettable monostable multivibrator IC with similar functionality.
3. 74HC4538: Dual precision monostable multivibrator IC with improved noise immunity and higher speed.

(Note: The above alternative models are provided for reference and may have slight variations in specifications and pin configuration.)

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