CD74HCT138M96

Product Overview

• Category: Integrated Circuit (IC)
• Use: Decoder/Demultiplexer
• Characteristics: High-speed, CMOS logic, 3-to-8 line decoder/demultiplexer
• Package: SOIC-16
• Essence: Converts a binary input into a corresponding output line
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: HCT
• Number of Inputs: 3
• Number of Outputs: 8
• Supply Voltage Range: 2V to 6V
• Propagation Delay Time: 15 ns (typical)
• Output Current: ±4 mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74HCT138M96 has a total of 16 pins. The pin configuration is as follows:

1. GND (Ground)
2. A0 (Input A0)
3. A1 (Input A1)
4. A2 (Input A2)
5. E1 (Enable Input 1)
6. Y0 (Output Y0)
7. Y1 (Output Y1)
8. Y2 (Output Y2)
9. Y3 (Output Y3)
10. Y4 (Output Y4)
11. Y5 (Output Y5)
12. Y6 (Output Y6)
13. Y7 (Output Y7)
14. E2 (Enable Input 2)
15. VCC (Supply Voltage)
16. GND (Ground)

Functional Features

• Converts a 3-bit binary input into one of the eight corresponding output lines
• Active LOW enable inputs (E1 and E2) control the operation of the decoder/demultiplexer
• High-speed CMOS technology ensures fast and reliable operation
• Low power consumption

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick decoding of input signals - Wide supply voltage range enables compatibility with various systems - Compact SOIC-16 package saves board space - Low power consumption reduces energy requirements

Disadvantages: - Limited number of inputs and outputs restricts the complexity of applications - Propagation delay time may affect timing-sensitive applications

Working Principles

The CD74HCT138M96 is a 3-to-8 line decoder/demultiplexer that converts a 3-bit binary input into one of eight corresponding output lines. The active LOW enable inputs (E1 and E2) control the operation of the decoder. When both enable inputs are HIGH, all outputs are in a high-impedance state.

The decoder uses CMOS technology, which ensures high-speed operation and low power consumption. It operates within a wide supply voltage range of 2V to 6V, making it compatible with various systems.

Detailed Application Field Plans

The CD74HCT138M96 can be used in various applications, including:

1. Address decoding in microcontrollers and microprocessors
2. Memory selection in digital systems
3. Data routing in communication systems
4. Control signal generation in industrial automation
5. Multiplexing and demultiplexing in data transmission

Detailed and Complete Alternative Models

1. SN74LS138: Similar 3-to-8 line decoder/demultiplexer from Texas Instruments
2. MC14538: CMOS dual 4-input multiplexer/decoder/demultiplexer from ON Semiconductor
3. 74HC138: High-speed Si-gate CMOS device from NXP Semiconductors

These alternative models offer similar functionality and can be considered as substitutes for the CD74HCT138M96.

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