CD74HC123PWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Multivibrator and Monostable Multivibrator
• Characteristics: High-speed CMOS logic, dual retriggerable monostable multivibrator
• Package: TSSOP-16
• Essence: The CD74HC123PWRE4 is a high-performance integrated circuit that provides precise timing control in various applications.
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 15 ns (typical)
• Output Current: ±5.2 mA
• Input Capacitance: 3.5 pF (typical)

Detailed Pin Configuration

The CD74HC123PWRE4 has a TSSOP-16 package with the following pin configuration:

1. CLR (Clear)
2. A (Trigger Input)
3. B (Retriggerable Trigger Input)
4. RCext (External Resistor-Capacitor Timing Components)
5. VCC (Positive Power Supply)
6. Q (Output)
7. GND (Ground)
8. Qn (Complementary Output)
9. RExt (External Resistor Timing Component)
10. Cext (External Capacitor Timing Component)
11. Rext (External Resistor Timing Component)
12. D (Data Input)
13. S (Set)
14. R (Reset)
15. Qn (Complementary Output)
16. Q (Output)

Functional Features

• Dual retriggerable monostable multivibrator
• Precise timing control with external resistor-capacitor timing components
• Clear, set, and reset inputs for flexible operation
• Complementary outputs for versatile applications

Advantages and Disadvantages

Advantages

• High-speed CMOS logic ensures fast operation
• Dual monostable multivibrator functionality provides flexibility
• Wide supply voltage range allows compatibility with various systems
• Precise timing control for accurate timing applications

Disadvantages

• Limited output current may restrict use in high-power applications
• Requires external resistor-capacitor timing components for precise timing control

Working Principles

The CD74HC123PWRE4 is a dual retriggerable monostable multivibrator IC. It generates a pulse of a specific duration when triggered by an input signal. The timing of the pulse is determined by external resistor-capacitor timing components connected to the RCext pin. The clear, set, and reset inputs allow for flexible operation and control over the timing circuit.

Detailed Application Field Plans

The CD74HC123PWRE4 finds application 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 protocols
3. Precision measurement equipment
4. Industrial automation and control systems
5. Robotics and motion control systems
6. Automotive electronics
7. Audio and video synchronization

Detailed and Complete Alternative Models

1. SN74HC123N: DIP-16 package, similar functionality
2. CD74HCT123E: SOIC-16 package, compatible features
3. MC74HC123AN: PDIP-16 package, equivalent performance

These alternative models offer similar functionality and can be used as substitutes for the CD74HC123PWRE4 in various applications.

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