CD74HC138M96G4

Product Overview

• Category: Integrated Circuit
• Use: Decoding and demultiplexing digital signals
• Characteristics: High-speed operation, low power consumption
• Package: 16-pin SOIC (Small Outline Integrated Circuit)
• Essence: A 3-to-8 line decoder/demultiplexer with active-low outputs
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 2V to 6V
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Current: -4mA
• Low-Level Output Current: 4mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74HC138M96G4 has a total of 16 pins. The pin configuration is as follows:

1. GND (Ground)
2. A0 (Address Input)
3. A1 (Address Input)
4. A2 (Address Input)
5. E1 (Enable Input)
6. Y0 (Output)
7. Y1 (Output)
8. Y2 (Output)
9. Y3 (Output)
10. Y4 (Output)
11. Y5 (Output)
12. Y6 (Output)
13. Y7 (Output)
14. E2 (Enable Input)
15. VCC (Supply Voltage)
16. NC (No Connection)

Functional Features

The CD74HC138M96G4 is designed to decode three binary address inputs (A0, A1, A2) into eight mutually exclusive active-low outputs (Y0-Y7). It features high-speed operation and low power consumption, making it suitable for various digital signal decoding and demultiplexing applications.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient signal decoding
• Low power consumption helps in reducing overall energy usage
• Compact 16-pin SOIC package enables easy integration into circuit designs

Disadvantages

• Limited to decoding three address inputs, may not be suitable for applications requiring higher address decoding capabilities
• Active-low outputs may require additional circuitry for certain applications

Working Principles

The CD74HC138M96G4 operates based on the principle of address decoding. The three binary address inputs (A0, A1, A2) are used to select one of the eight output lines (Y0-Y7). When a specific combination of address inputs is applied, the corresponding output line becomes active-low (logic low), while all other output lines remain inactive-high (logic high).

Detailed Application Field Plans

The CD74HC138M96G4 finds applications in various fields where digital signal decoding and demultiplexing are required. Some of the common application areas include:

1. Microcontroller-based systems
2. Address decoding in memory devices
3. Multiplexed data transmission systems
4. Digital display control circuits
5. Programmable logic controllers (PLCs)
6. Communication systems

Detailed and Complete Alternative Models

1. SN74LS138: Similar 3-to-8 line decoder/demultiplexer with active-low outputs, available in DIP (Dual Inline Package) format.
2. CD4514: 4-to-16 line decoder/demultiplexer with active-high outputs, suitable for applications requiring higher address decoding capabilities.
3. 74HC238: 3-to-8 line decoder/demultiplexer with active-high outputs, compatible with CMOS logic levels.

These alternative models offer similar functionality to the CD74HC138M96G4 and can be considered based on specific application requirements.

Word count: 387 words