MC74VHC139DTR2G

Product Overview

• Category: Integrated Circuit
• Use: Decoder/Demultiplexer
• Characteristics: High-speed, low-power, 3-state outputs
• Package: TSSOP-16
• Essence: Digital logic component for decoding and demultiplexing signals
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• High-Level Input Voltage: 2.0V min
• Low-Level Input Voltage: 0.8V max
• High-Level Output Voltage: VCC - 0.5V min
• Low-Level Output Voltage: 0.5V max
• Maximum Operating Frequency: 200MHz
• Propagation Delay Time: 4.5ns typ at 5V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MC74VHC139DTR2G has a TSSOP-16 package with the following pin configuration:

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

Functional Features

• Decodes two binary-coded inputs into four mutually exclusive outputs
• Demultiplexes a single input into multiple outputs based on the select inputs
• 3-state outputs allow for easy connection to other devices
• High-speed operation enables efficient signal processing
• Low-power consumption for energy-efficient applications

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick signal decoding - Low-power consumption reduces energy usage - 3-state outputs facilitate easy connection to other devices

Disadvantages: - Limited number of output options (4 outputs) - Requires external enable signal (/E) for proper functioning

Working Principles

The MC74VHC139DTR2G is a decoder/demultiplexer integrated circuit that operates based on the binary-coded inputs provided. It decodes two binary inputs (A0 and A1) into four mutually exclusive outputs (Y0 to Y3). Additionally, it can also function as a demultiplexer by using the select inputs (B0 and B1) to route a single input to one of the multiple outputs (Y4 to Y7).

The /E (Enable) pin is used to activate or deactivate the device. When the /E input is low, the outputs are in a high-impedance state, allowing for easy connection to other devices. The MC74VHC139DTR2G operates within a specified supply voltage range and has a maximum operating frequency of 200MHz.

Detailed Application Field Plans

The MC74VHC139DTR2G finds applications in various fields where signal decoding and demultiplexing are required. Some of the detailed application field plans include:

1. Communication Systems: Used for decoding and routing signals in communication networks.
2. Data Processing: Enables efficient data routing and selection in digital systems.
3. Address Decoding: Used in memory systems to decode address signals and select specific memory locations.
4. Multiplexing/Demultiplexing: Facilitates the transmission of multiple signals over a single channel and their subsequent separation at the receiving end.
5. Control Systems: Used for decoding control signals and activating specific components or functions.

Detailed and Complete Alternative Models

1. SN74LS139N: Similar decoder/demultiplexer IC with 2-inputs and 4-outputs, available in DIP-16 package.
2. CD74HC139E: High-speed CMOS decoder/demultiplexer IC with 2-inputs and 4-outputs, available in PDIP-16 package.
3. 74HC139D: Dual 2-to-4 line decoder/demultiplexer IC with 3-state outputs, available in SOIC-16 package.

These alternative models provide similar functionality to the MC74VHC139DTR2G and can be considered as alternatives based on specific requirements and availability.

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