MC74VHCT139AMELG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Decoder/Demultiplexer
• Characteristics: High-Speed, Low-Power, 2-to-4 Line Decoder/Demultiplexer
• Package: SOIC-16
• Essence: This IC is designed to decode two binary inputs into four mutually exclusive outputs.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 2.0V to 5.5V
• Input Voltage: -0.5V to VCC + 0.5V
• Output Voltage: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 6 ns (typical)
• Maximum Quiescent Current: 1 µA at 5.5V
• Maximum Output Current: ±8 mA

Detailed Pin Configuration

The MC74VHCT139AMELG has a total of 16 pins, which are assigned as follows:

1. A0 (Input)
2. A1 (Input)
3. GND (Ground)
4. Y0 (Output)
5. Y1 (Output)
6. Y2 (Output)
7. Y3 (Output)
8. GND (Ground)
9. B0 (Input)
10. B1 (Input)
11. E (Enable)
12. VCC (Power)
13. Y4 (Output)
14. Y5 (Output)
15. Y6 (Output)
16. Y7 (Output)

Functional Features

• Decodes two binary inputs (A0 and A1) into four mutually exclusive outputs (Y0 to Y3).
• The enable input (E) controls the operation of the decoder/demultiplexer.
• High-speed operation allows for efficient data processing.
• Low-power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range provides flexibility in various applications.

Advantages and Disadvantages

Advantages

• High-speed operation enables quick decoding of inputs.
• Low-power consumption prolongs battery life in portable devices.
• Wide operating voltage range allows for compatibility with different systems.
• Small package size (SOIC-16) saves board space.

Disadvantages

• Limited to 2-to-4 line decoding, not suitable for larger decoding requirements.
• May require additional components for certain applications.

Working Principles

The MC74VHCT139AMELG operates based on the principles of digital logic. It uses a combination of gates and flip-flops to decode the binary inputs (A0 and A1) into four output lines (Y0 to Y3). The enable input (E) controls the operation of the decoder/demultiplexer. When E is high, the decoder is enabled, and the outputs reflect the binary inputs. When E is low, the outputs are disabled, and all outputs are in a high impedance state.

Detailed Application Field Plans

The MC74VHCT139AMELG can be used in various applications, including:

1. Address decoding in microcontrollers and microprocessors.
2. Data routing in multiplexers and demultiplexers.
3. Memory selection in memory systems.
4. Control signal generation in digital circuits.
5. Input decoding in communication systems.

Detailed and Complete Alternative Models

1. SN74LS139: Similar 2-to-4 line decoder/demultiplexer from Texas Instruments.
2. CD74HC139: High-speed CMOS 2-to-4 line decoder/demultiplexer from Texas Instruments.
3. 74HC139: General-purpose 2-to-4 line decoder/demultiplexer from various manufacturers.

These alternative models offer similar functionality and can be used as substitutes for the MC74VHCT139AMELG in different applications.

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