74HC21PW,118

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: Dual 4-input AND gate
• Package: TSSOP-14
• Essence: High-speed CMOS technology
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay Time: 10 ns (typical)
• Maximum Quiescent Current: 1 µA at 5.5V

Detailed Pin Configuration

The 74HC21PW,118 has a total of 14 pins arranged as follows:

__ __ 1 |1 \__/ 14| VCC 2 |2 13| A1 3 |3 12| B1 4 |4 11| C1 5 |5 74HC21 10| D1 GND |6 9| D2 7 |7 8| C2 |_________|

Functional Features

• Dual 4-input AND gate with independent inputs
• High-speed operation due to CMOS technology
• Wide supply voltage range allows compatibility with various systems
• Low power consumption
• Schmitt-trigger action on all inputs makes the circuit tolerant to slow input rise and fall times
• Balanced propagation delays ensure glitch-free operation

Advantages and Disadvantages

Advantages: - High-speed operation - Wide supply voltage range - Low power consumption - Schmitt-trigger action for tolerance to slow input rise and fall times

Disadvantages: - Limited number of inputs (4 per gate) - Not suitable for applications requiring more complex logic functions

Working Principles

The 74HC21PW,118 is a dual 4-input AND gate that performs logical AND operations on its four independent inputs. It utilizes high-speed CMOS technology, which allows for fast operation and low power consumption. The Schmitt-trigger action on all inputs ensures reliable operation even with slow input rise and fall times. The balanced propagation delays eliminate glitches, making it suitable for various digital logic applications.

Detailed Application Field Plans

The 74HC21PW,118 can be used in a wide range of applications, including: 1. Digital signal processing systems 2. Microcontrollers and microprocessors 3. Communication systems 4. Industrial automation 5. Automotive electronics 6. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HC21PW,118 are: - SN74HC21N - CD74HC21E - MC74HC21AN - TC74HC21AF

These alternatives provide dual 4-input AND gates with comparable specifications and pin configurations.

In conclusion, the 74HC21PW,118 is a versatile integrated circuit that serves as a dual 4-input AND gate. Its high-speed CMOS technology, wide supply voltage range, and low power consumption make it suitable for various digital logic applications. While it has some limitations in terms of the number of inputs and complexity of logic functions, it offers reliable performance and glitch-free operation.