CD74HCT123ME4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Multivibrator
• Characteristics: High-speed operation, low power consumption
• Package: 16-pin SOIC (Small Outline Integrated Circuit)
• Essence: Monostable multivibrator
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 3.15V (min), 5.25V (max)
• Low-Level Input Voltage: 0.35V (min), 1.35V (max)
• High-Level Output Voltage: 4.4V (min), VCC (max)
• Low-Level Output Voltage: GND (min), 0.55V (max)
• Maximum Operating Frequency: 33 MHz

Detailed Pin Configuration

The CD74HCT123ME4 has a total of 16 pins, which are labeled as follows:

1. CLR (Clear)
2. A (Input A)
3. B (Input B)
4. RC (Resistor/Capacitor)
5. Q (Output Q)
6. GND (Ground)
7. Q' (Complementary Output Q')
8. VCC (Supply Voltage)
9. NC (No Connection)
10. NC (No Connection)
11. NC (No Connection)
12. NC (No Connection)
13. NC (No Connection)
14. NC (No Connection)
15. NC (No Connection)
16. NC (No Connection)

Functional Features

The CD74HCT123ME4 is a monostable multivibrator that can be used to generate precise time delays or pulses. It features high-speed operation and low power consumption, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick pulse generation - Low power consumption helps conserve energy - Precise time delay generation

Disadvantages: - Limited operating frequency of 33 MHz - Requires external resistors and capacitors for proper functionality

Working Principles

The CD74HCT123ME4 operates based on the principles of a monostable multivibrator. When a trigger signal is applied to the CLR (Clear) pin, the output Q transitions from low to high for a specific duration determined by the values of the resistor and capacitor connected to the RC pin. After this duration, the output Q returns to its original low state.

Detailed Application Field Plans

The CD74HCT123ME4 can be used in various applications, including:

1. Timing circuits: It can generate precise time delays for controlling events or processes.
2. Pulse generation: It can produce accurate pulses for triggering other components or devices.
3. Frequency division: It can divide an input frequency by a factor of two, making it useful in frequency division circuits.
4. Sequential logic: It can be employed in sequential logic circuits for generating clock signals or controlling the timing of operations.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the CD74HCT123ME4 include:

1. SN74HCT123N: This 16-pin DIP (Dual Inline Package) IC offers the same monostable multivibrator functionality with a wider supply voltage range.
2. MC74HCT123AN: Another 16-pin DIP IC that provides monostable multivibrator capabilities with improved noise immunity.
3. CD74HC123E: A 16-pin PDIP (Plastic Dual Inline Package) IC that operates as a dual retriggerable monostable multivibrator.

These alternative models can be considered based on specific requirements and availability.

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