CD74HCT139M96G4

Product Overview

• Category: Integrated Circuit
• Use: Decoder/Demultiplexer
• Characteristics: High-speed, CMOS logic, 2-to-4 line decoding
• Package: SOIC-16
• Essence: Digital logic component for decoding and demultiplexing signals
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: HCT
• Number of Inputs: 2
• Number of Outputs: 4
• Supply Voltage Range: 4.5V to 5.5V
• Propagation Delay Time: 14 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74HCT139M96G4 has a total of 16 pins, which are arranged as follows:

1. A0 (Input A0)
2. A1 (Input A1)
3. GND (Ground)
4. Y0 (Output Y0)
5. Y1 (Output Y1)
6. Y2 (Output Y2)
7. Y3 (Output Y3)
8. VCC (Supply Voltage)
9. B1 (Input B1)
10. B0 (Input B0)
11. G1 (Enable Input G1)
12. G2A (Enable Input G2A)
13. G2B (Enable Input G2B)
14. NC (No Connection)
15. NC (No Connection)
16. NC (No Connection)

Functional Features

The CD74HCT139M96G4 is a high-speed CMOS decoder/demultiplexer integrated circuit. It takes two binary inputs (A0 and A1) and decodes them into four mutually exclusive outputs (Y0, Y1, Y2, and Y3). The enable inputs (G1, G2A, and G2B) control the operation of the decoder/demultiplexer.

Advantages and Disadvantages

Advantages: - High-speed operation - CMOS logic for low power consumption - Compact SOIC-16 package for space-saving designs - Wide operating temperature range

Disadvantages: - Limited number of inputs and outputs - Requires external components for complete functionality

Working Principles

The CD74HCT139M96G4 operates based on the principles of digital logic. It uses a combination of AND and NOT gates to decode the binary inputs and generate the corresponding outputs. The enable inputs allow for selective activation of the decoder/demultiplexer, providing flexibility in signal routing.

Detailed Application Field Plans

The CD74HCT139M96G4 is commonly used in various applications that require decoding and demultiplexing of signals. Some of the typical application fields include:

1. Address Decoding: Used in microcontrollers and memory systems to decode address lines and select specific devices or memory locations.
2. Data Routing: Enables the selection of specific data paths in multiplexed systems, such as communication switches and data acquisition systems.
3. Signal Demultiplexing: Divides a single input signal into multiple output signals, allowing for parallel processing or distribution of signals in communication systems.

Detailed and Complete Alternative Models

1. 74HC139: Similar functionality but operates at a higher voltage range (2V to 6V).
2. CD4017: Decade counter with 10 outputs, suitable for sequential signal routing applications.
3. SN74LS138: 3-to-8 line decoder/demultiplexer with active-low outputs, ideal for complex signal routing scenarios.

These alternative models offer similar decoding and demultiplexing capabilities, but with different specifications and pin configurations.

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