CD74HCT139M96

Product Overview

• Category: Integrated Circuit (IC)
• Use: Decoder/Demultiplexer
• Characteristics: High-Speed CMOS Logic, Dual 2-to-4 Line Decoder/Demultiplexer
• Package: SOIC-16
• Essence: The CD74HCT139M96 is a decoder/demultiplexer IC that can decode two binary inputs into four separate outputs.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Logic Family: HCT
• Number of Inputs: 2
• Number of Outputs: 4
• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 13 ns (typical)
• Output Current: ±4 mA
• Input Capacitance: 3.5 pF (typical)

Detailed Pin Configuration

The CD74HCT139M96 has a total of 16 pins arranged as follows:

1. GND (Ground)
2. A0 (Input A0)
3. A1 (Input A1)
4. Y0 (Output Y0)
5. Y1 (Output Y1)
6. Y2 (Output Y2)
7. Y3 (Output Y3)
8. VCC (Positive Power Supply)
9. B0 (Input B0)
10. B1 (Input B1)
11. E1 (Enable Input 1)
12. E2 (Enable Input 2)
13. Y0 (Output Y0)
14. Y1 (Output Y1)
15. Y2 (Output Y2)
16. Y3 (Output Y3)

Functional Features

• Dual 2-to-4 Line Decoder/Demultiplexer functionality.
• High-speed CMOS logic allows for fast decoding and demultiplexing operations.
• Low power consumption.
• Wide operating voltage range.
• Schmitt-trigger inputs for improved noise immunity.

Advantages and Disadvantages

Advantages

• Compact and space-saving design.
• Fast propagation delay time for quick response.
• Versatile application in digital systems requiring decoding and demultiplexing functions.
• Wide operating temperature range for various environments.
• Low power consumption helps reduce energy usage.

Disadvantages

• Limited number of inputs and outputs compared to more complex decoder/demultiplexer ICs.
• Not suitable for applications requiring higher output current capabilities.

Working Principles

The CD74HCT139M96 operates based on the principles of binary decoding and demultiplexing. It takes two binary inputs (A0 and A1) and decodes them into four separate outputs (Y0, Y1, Y2, and Y3). The enable inputs (E1 and E2) control the operation of the decoder/demultiplexer. When both enable inputs are high, the decoder is enabled, and the selected output is determined by the binary input combination.

Detailed Application Field Plans

The CD74HCT139M96 can be used in various digital systems and applications, including:

1. Address decoding in microcontrollers and microprocessors.
2. Data routing and selection in multiplexing applications.
3. Memory address decoding in RAM and ROM modules.
4. Signal routing and selection in communication systems.
5. Control signal decoding in industrial automation systems.

Detailed and Complete Alternative Models

1. SN74LS139: Similar dual 2-to-4 line decoder/demultiplexer IC from Texas Instruments.
2. 74HC139: Dual 2-to-4 line decoder/demultiplexer IC from NXP Semiconductors.
3. CD74HC238: 3-to-8 line decoder/demultiplexer IC from Texas Instruments.

These alternative models offer similar functionality and can be used as substitutes for the CD74HCT139M96 in various applications.

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