Texas Instruments
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SN74AHC08DE4
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SN74AHC08DE4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Gate
  • Characteristics:
    • High-speed CMOS technology
    • Quad 2-input AND gate
    • Low power consumption
  • Package: SOIC-14
  • Essence: This IC is designed to perform logical AND operations on two input signals.
  • Packaging/Quantity: Available in reels of 2500 units.

Specifications

  • Supply Voltage Range: 2 V to 5.5 V
  • Input Voltage Range: 0 V to VCC
  • Output Voltage Range: 0 V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 6 ns (typical)

Detailed Pin Configuration

The SN74AHC08DE4 has a total of 14 pins, numbered as follows:

  1. A1 (Input A1)
  2. B1 (Input B1)
  3. Y1 (Output Y1)
  4. A2 (Input A2)
  5. B2 (Input B2)
  6. Y2 (Output Y2)
  7. GND (Ground)
  8. Y3 (Output Y3)
  9. B3 (Input B3)
  10. A3 (Input A3)
  11. Y4 (Output Y4)
  12. B4 (Input B4)
  13. A4 (Input A4)
  14. VCC (Supply Voltage)

Functional Features

  • Performs logical AND operation on two input signals (A and B).
  • Outputs high logic level (VCC) only when both inputs are high.
  • Provides four independent AND gates in a single package.
  • High-speed operation allows for efficient signal processing.

Advantages and Disadvantages

Advantages: - High-speed CMOS technology enables fast operation. - Low power consumption makes it suitable for battery-powered devices. - Compact SOIC-14 package saves board space. - Provides four AND gates in a single IC, reducing component count.

Disadvantages: - Limited to 2-input AND gate functionality. - Not suitable for applications requiring more than two inputs.

Working Principles

The SN74AHC08DE4 is based on CMOS technology, which uses complementary pairs of MOS transistors to perform logical operations. In the case of this IC, it utilizes four 2-input AND gates. Each gate consists of two transistors connected in series, with their outputs connected together. When both input signals are high, the output of the gate goes high (VCC). Otherwise, the output remains low (0 V).

Detailed Application Field Plans

The SN74AHC08DE4 can be used in various digital logic applications, including but not limited to: - Data processing systems - Communication equipment - Industrial control systems - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

  1. 74HC08: Similar 2-input AND gate IC, compatible with SN74AHC08DE4.
  2. CD4081: Quad 2-input AND gate IC, operates at higher voltage levels.
  3. MC74ACT08: Advanced CMOS technology-based 2-input AND gate IC.

These alternative models offer similar functionality and can be used as substitutes for the SN74AHC08DE4 depending on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74AHC08DE4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN74AHC08DE4 in technical solutions:

  1. Q: What is SN74AHC08DE4? A: SN74AHC08DE4 is a quad 2-input AND gate integrated circuit (IC) that is commonly used in digital logic applications.

  2. Q: What is the operating voltage range for SN74AHC08DE4? A: The operating voltage range for SN74AHC08DE4 is typically between 2V and 5.5V.

  3. Q: What is the maximum output current of SN74AHC08DE4? A: The maximum output current of SN74AHC08DE4 is typically around 8mA.

  4. Q: Can SN74AHC08DE4 be used in both CMOS and TTL logic systems? A: Yes, SN74AHC08DE4 is compatible with both CMOS and TTL logic systems.

  5. Q: What is the propagation delay of SN74AHC08DE4? A: The propagation delay of SN74AHC08DE4 is typically around 6 ns.

  6. Q: Can SN74AHC08DE4 be used in high-speed applications? A: Yes, SN74AHC08DE4 is designed for high-speed operation and can be used in various high-frequency applications.

  7. Q: Does SN74AHC08DE4 have built-in protection against electrostatic discharge (ESD)? A: Yes, SN74AHC08DE4 has built-in ESD protection to prevent damage from static electricity.

  8. Q: How many inputs does SN74AHC08DE4 have? A: SN74AHC08DE4 has four inputs, allowing it to perform logical AND operations on two sets of input signals.

  9. Q: Can SN74AHC08DE4 be used in battery-powered applications? A: Yes, SN74AHC08DE4 is suitable for battery-powered applications due to its low power consumption and wide operating voltage range.

  10. Q: What package options are available for SN74AHC08DE4? A: SN74AHC08DE4 is available in various package options, including SOIC, TSSOP, and VQFN, providing flexibility for different PCB designs.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications or application requirements.