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MC74ACT139DG
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MC74ACT139DG

Product Overview

Category: Integrated Circuit
Use: Decoding/Demultiplexing
Characteristics: High-speed, low-power consumption
Package: SOIC-16
Essence: Dual 2-to-4 line decoder/demultiplexer
Packaging/Quantity: Tape & Reel (2500 units)

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • High-Speed: tPD = 9ns (Typ)
  • Low Power Consumption: ICC = 4mA (Max) at TA = 25°C
  • High Noise Immunity: VNIH = VNIL = 28% VCC (Min)

Detailed Pin Configuration

  1. GND
  2. A1
  3. A0
  4. E1
  5. Y0
  6. Y1
  7. E2
  8. Y2
  9. Y3
  10. VCC
  11. B1
  12. B0
  13. GND
  14. Y4
  15. Y5
  16. Y6

Functional Features

  • Dual 2-to-4 Line Decoder/Demultiplexer
  • Wide Operating Voltage Range
  • Balanced Propagation Delays
  • High-Speed and Low-Power Consumption

Advantages

  • High-Speed Operation
  • Low Power Consumption
  • Wide Operating Voltage Range
  • Balanced Propagation Delays

Disadvantages

  • Limited to Dual 2-to-4 Line Decoding/Demultiplexing Functionality
  • May Require Additional Components for Complex Applications

Working Principles

The MC74ACT139DG is designed to decode two binary-coded inputs into four mutually exclusive outputs. It operates by enabling one of the four outputs based on the combination of the two binary inputs.

Detailed Application Field Plans

The MC74ACT139DG is commonly used in digital systems for address decoding, data routing, and signal demultiplexing. It is widely applied in microprocessor-based systems, memory address decoding, and general-purpose logic circuits.

Detailed and Complete Alternative Models

  • SN74LS139
  • CD74HC139E
  • 74F139PC

In conclusion, the MC74ACT139DG is a versatile integrated circuit suitable for various digital decoding and demultiplexing applications. Its high-speed operation, low power consumption, and wide operating voltage range make it an ideal choice for digital system designers.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق MC74ACT139DG في الحلول التقنية

  1. What is the MC74ACT139DG?

    • The MC74ACT139DG is a dual 2-to-4 line decoder/demultiplexer with active high outputs, designed for use in high-performance memory-decoding or data-routing applications.

  2. What is the operating voltage range of MC74ACT139DG?

    • The operating voltage range of MC74ACT139DG is typically 4.5V to 5.5V.

  3. What are the typical applications of MC74ACT139DG?

    • Typical applications include memory address decoding, data routing, and implementing chip select functions in microprocessor systems.

  4. What is the maximum propagation delay of MC74ACT139DG?

    • The maximum propagation delay of MC74ACT139DG is typically 8ns.

  5. What is the output drive capability of MC74ACT139DG?

    • The MC74ACT139DG has a high output drive capability, making it suitable for driving heavily loaded outputs.

  6. Can MC74ACT139DG be used in battery-powered applications?

    • Yes, MC74ACT139DG can be used in battery-powered applications due to its low power consumption characteristics.

  7. Is MC74ACT139DG compatible with TTL and CMOS logic levels?

    • Yes, MC74ACT139DG is compatible with both TTL and CMOS logic levels, providing versatility in system integration.

  8. What is the temperature range for operation of MC74ACT139DG?

    • The MC74ACT139DG is designed to operate over a wide temperature range, typically from -40°C to 85°C.

  9. Does MC74ACT139DG have built-in input hysteresis?

    • Yes, MC74ACT139DG features built-in input hysteresis, enhancing noise immunity and improving performance in noisy environments.

  10. Are there any specific layout considerations for using MC74ACT139DG?

    • It is recommended to follow the manufacturer's guidelines for proper layout and decoupling to ensure optimal performance of MC74ACT139DG in technical solutions.