CD74HCT221M96G4

Product Overview

• Category: Integrated Circuit
• Use: Digital Logic Gates
• Characteristics: High-Speed CMOS, Dual Monostable Multivibrator
• Package: SOIC-16
• Essence: The CD74HCT221M96G4 is a dual monostable multivibrator integrated circuit that utilizes high-speed CMOS technology. It is commonly used in digital logic circuits for various timing applications.
• Packaging/Quantity: The CD74HCT221M96G4 is typically packaged in a small outline integrated circuit (SOIC) package and is available in quantities of 96 units per reel.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HCT
• Number of Channels: 2
• Propagation Delay: 15 ns
• Operating Temperature Range: -40°C to +85°C
• Input Current: ±1µA
• Output Current: ±4mA
• Power Dissipation: 500mW

Pin Configuration

The CD74HCT221M96G4 has a total of 16 pins arranged as follows:

___________ | | 1 | CLR | 16 VCC 2 | A | 15 B 3 | Q | 14 Q' 4 | GND | 13 RC 5 | TR | 12 RE 6 | REXT | 11 CEXT 7 | CT | 10 R 8 | DISCHARGE | 9 SET |___________|

Functional Features

• Dual monostable multivibrator with independent trigger and reset inputs.
• Capable of generating accurate and stable time delays.
• Wide operating voltage range allows for compatibility with various digital systems.
• High-speed CMOS technology ensures fast switching times.
• Low power consumption.

Advantages

• Versatile timing solution suitable for a wide range of applications.
• Compact SOIC package enables space-saving integration into circuit designs.
• Reliable performance due to high-speed CMOS technology.
• Low power consumption helps in reducing overall system energy requirements.

Disadvantages

• Limited number of channels (2) may not be sufficient for complex systems requiring multiple timing functions.
• Propagation delay of 15 ns may not meet the requirements of ultra-high-speed applications.

Working Principles

The CD74HCT221M96G4 operates as a dual monostable multivibrator. It generates a pulse output of a specific duration when triggered by an input signal. The trigger and reset inputs are independent, allowing for flexible control over the timing function. The internal circuitry utilizes high-speed CMOS technology to ensure fast and accurate timing operations.

Application Field Plans

The CD74HCT221M96G4 finds applications in various fields where precise timing is required. Some potential application areas include:

1. Timing circuits in microcontrollers and microprocessors.
2. Pulse width modulation (PWM) generation.
3. Frequency division and counting circuits.
4. Delay circuits in communication systems.
5. Control systems requiring accurate timing synchronization.

Alternative Models

There are several alternative models available that offer similar functionality to the CD74HCT221M96G4. Some popular alternatives include:

1. SN74HCT221N: DIP-16 package, same functionality as CD74HCT221M96G4.
2. MC74HCT221ADR2G: SOIC-16 package, dual monostable multivibrator.
3. 74HCT221D: SOIC-16 package, dual monostable multivibrator with Schmitt-trigger inputs.

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

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