SN74LV138ATDBR

Product Overview

Category

SN74LV138ATDBR belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a decoder/demultiplexer in digital electronic systems.

Characteristics

• Low-voltage operation
• High-speed performance
• Wide operating temperature range
• Low power consumption

Package

SN74LV138ATDBR is available in a small-outline integrated circuit (SOIC) package.

Essence

The essence of SN74LV138ATDBR lies in its ability to decode and demultiplex input signals, enabling efficient data routing within digital systems.

Packaging/Quantity

SN74LV138ATDBR is typically packaged in reels containing 2500 units.

Specifications

• Supply Voltage: 2V to 5.5V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Logic Family: LV (Low Voltage)
• Number of Inputs: 3
• Number of Outputs: 8

Detailed Pin Configuration

1. GND (Ground)
2. A0 (Address Input 0)
3. A1 (Address Input 1)
4. A2 (Address Input 2)
5. /E (Enable Input)
6. Y0 (Output 0)
7. Y1 (Output 1)
8. Y2 (Output 2)
9. Y3 (Output 3)
10. Y4 (Output 4)
11. Y5 (Output 5)
12. Y6 (Output 6)
13. Y7 (Output 7)
14. VCC (Supply Voltage)

Functional Features

• Decodes 3-bit binary inputs into 8 mutually exclusive outputs
• Enables efficient data routing and selection within digital systems
• Low-voltage operation allows compatibility with a wide range of devices
• High-speed performance ensures quick response times

Advantages

• Wide operating temperature range makes it suitable for various environments
• Low power consumption helps conserve energy in electronic systems
• Small-outline package saves space on circuit boards

Disadvantages

• Limited number of inputs and outputs may restrict its application in complex systems
• Lack of built-in protection features against voltage spikes or ESD events

Working Principles

SN74LV138ATDBR operates based on the principles of binary decoding and demultiplexing. It takes 3-bit binary inputs (A0, A1, A2) and generates 8 mutually exclusive outputs (Y0-Y7) based on the input combination. The /E (Enable) input controls the operation of the decoder/demultiplexer.

Detailed Application Field Plans

SN74LV138ATDBR finds applications in various digital systems, including but not limited to: - Address decoding in microcontrollers and microprocessors - Data routing in multiplexed display systems - Memory address decoding in RAM and ROM modules - Signal selection in communication systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SN74LV138ATDBR include: - 74HC138: High-speed CMOS logic family - CD74HCT138: High-speed CMOS logic family with TTL-compatible inputs - MC14538B: Dual 1-of-4 decoder/demultiplexer

These alternatives can be considered based on specific requirements such as voltage levels, speed, and compatibility.

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