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NLV74ACT138DR2G

NLV74ACT138DR2G

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Decoder/Demultiplexer
  • Characteristics: High-speed, low-power, 3-to-8 line decoding capability
  • Package: SOIC-16
  • Essence: Converts a binary input into a corresponding output based on the selected line
  • Packaging/Quantity: Tape and Reel, 2500 units 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 +85°C
  • Propagation Delay Time: 4.5ns (typical)
  • Output Current: ±24mA

Detailed Pin Configuration

The NLV74ACT138DR2G has a total of 16 pins arranged as follows:

┌───┐ Y0 ─│1 16│─ VCC Y1 ─│2 15│─ GND Y2 ─│3 14│─ A0 Y3 ─│4 13│─ A1 Y4 ─│5 12│─ A2 Y5 ─│6 11│─ E1 Y6 ─│7 10│─ E2 Y7 ─│8 9│─ /Y └───┘

Functional Features

  • Decodes a 3-bit binary input into one of eight outputs
  • Enables easy selection of desired output line using address inputs (A0, A1, A2)
  • Outputs are active-low (/Y) and can drive standard TTL or CMOS logic levels
  • High-speed operation allows for efficient decoding in time-critical applications
  • Low-power consumption makes it suitable for battery-powered devices

Advantages and Disadvantages

Advantages: - High-speed operation enables quick response times - Low-power consumption prolongs battery life - Compact SOIC-16 package saves board space - Wide supply voltage range allows for versatile use

Disadvantages: - Limited to 3-to-8 line decoding, may not be suitable for more complex applications - Outputs are active-low, requiring additional circuitry for active-high outputs if needed

Working Principles

The NLV74ACT138DR2G operates based on the principle of binary decoding. It takes a 3-bit binary input (A0, A1, A2) and converts it into one of eight possible output lines (Y0-Y7). The selected output line is determined by the combination of address inputs.

When the enable pins (E1, E2) are both high, the decoder is enabled, and the selected output line becomes active-low (/Y). The remaining output lines remain inactive. By changing the binary input, different output lines can be activated.

Detailed Application Field Plans

The NLV74ACT138DR2G finds applications in various fields, including: 1. Address decoding in microcontrollers and microprocessors 2. Memory selection in RAM and ROM systems 3. Data routing in multiplexers and demultiplexers 4. Signal decoding in communication systems 5. Control signal generation in digital circuits

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to the NLV74ACT138DR2G include: 1. SN74LS138: Low-power Schottky TTL decoder/demultiplexer 2. CD74HC138: High-speed CMOS decoder/demultiplexer 3. 74HC238: 3-to-8 line decoder/demultiplexer with active-high outputs

These alternative models offer comparable decoding capabilities and can be used as substitutes depending on specific requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi NLV74ACT138DR2G dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of NLV74ACT138DR2G in technical solutions:

  1. Q: What is NLV74ACT138DR2G? A: NLV74ACT138DR2G is a 3-to-8 decoder/demultiplexer integrated circuit (IC) that can be used in various digital logic applications.

  2. Q: What is the operating voltage range for NLV74ACT138DR2G? A: The operating voltage range for NLV74ACT138DR2G is typically between 2.0V and 5.5V.

  3. Q: How many inputs does NLV74ACT138DR2G have? A: NLV74ACT138DR2G has three binary inputs (A, B, and C) which are used to select one of the eight outputs.

  4. Q: What is the maximum output current of NLV74ACT138DR2G? A: The maximum output current of NLV74ACT138DR2G is typically around 24mA.

  5. Q: Can NLV74ACT138DR2G be used as a demultiplexer? A: Yes, NLV74ACT138DR2G can be used as a demultiplexer by connecting its inputs appropriately and using its outputs as separate data lines.

  6. Q: What is the propagation delay of NLV74ACT138DR2G? A: The propagation delay of NLV74ACT138DR2G is typically around 4.5ns.

  7. Q: Can NLV74ACT138DR2G be cascaded to create larger decoders? A: Yes, multiple NLV74ACT138DR2G ICs can be cascaded together to create larger decoders with more outputs.

  8. Q: What is the power supply voltage for NLV74ACT138DR2G? A: The power supply voltage for NLV74ACT138DR2G is typically between 2.0V and 5.5V.

  9. Q: Can NLV74ACT138DR2G be used in high-speed applications? A: Yes, NLV74ACT138DR2G is designed to operate at high speeds and can be used in various high-speed digital logic applications.

  10. Q: What package does NLV74ACT138DR2G come in? A: NLV74ACT138DR2G is available in a standard SOIC-16 package, which is commonly used for surface-mount applications.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for NLV74ACT138DR2G.