CD74HCT154MG4

Product Overview

• Category: Integrated Circuit
• Use: Decoder/Demultiplexer
• Characteristics: High-speed, CMOS logic, 4-to-16 line decoder/demultiplexer
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Converts a 4-bit binary input into a one-of-sixteen output
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 15 ns (typical)
• Output Current: ±25 mA
• Power Dissipation: 500 mW

Detailed Pin Configuration

The CD74HCT154MG4 has a total of 24 pins. The pin configuration is as follows:

1. GND (Ground)
2. A0 (Input A0)
3. A1 (Input A1)
4. A2 (Input A2)
5. A3 (Input A3)
6. E1 (Enable Input 1)
7. E2 (Enable Input 2)
8. Y0 (Output Y0)
9. Y1 (Output Y1)
10. Y2 (Output Y2)
11. Y3 (Output Y3)
12. Y4 (Output Y4)
13. Y5 (Output Y5)
14. Y6 (Output Y6)
15. Y7 (Output Y7)
16. Y8 (Output Y8)
17. Y9 (Output Y9)
18. Y10 (Output Y10)
19. Y11 (Output Y11)
20. Y12 (Output Y12)
21. Y13 (Output Y13)
22. Y14 (Output Y14)
23. Y15 (Output Y15)
24. VCC (Supply Voltage)

Functional Features

The CD74HCT154MG4 is a high-speed CMOS logic decoder/demultiplexer. It takes a 4-bit binary input and generates a one-of-sixteen output based on the input combination. The device features enable inputs (E1 and E2) that can be used to activate or deactivate the decoder/demultiplexer.

Advantages and Disadvantages

Advantages: - High-speed operation - CMOS technology for low power consumption - Wide supply voltage range - Compact SOIC package for space-saving designs

Disadvantages: - Limited number of outputs (16) - Requires external components for proper functionality

Working Principles

The CD74HCT154MG4 operates by decoding the 4-bit binary input and activating the corresponding output line. The enable inputs (E1 and E2) control the activation of the decoder/demultiplexer. When both enable inputs are active, the device functions as a 4-to-16 line decoder. When either enable input is inactive, all output lines are deactivated.

Detailed Application Field Plans

The CD74HCT154MG4 can be used in various applications, including but not limited to:

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/output expansion in embedded systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the CD74HCT154MG4 are:

1. 74HC154: Similar 4-to-16 line decoder/demultiplexer with slightly different specifications.
2. CD4514: 4-to-16 line decoder/demultiplexer with latch enable inputs.
3. SN74LS154: 4-to-16 line decoder/demultiplexer with TTL logic levels.

These alternative models offer similar functionality but may have different electrical characteristics or package options.

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