74LVC139BQ,115

Product Overview

• Category: Integrated Circuit (IC)
• Use: Decoder/Demultiplexer
• Characteristics: Low-voltage CMOS technology, high-speed operation, low power consumption
• Package: TSSOP-16
• Essence: Dual 2-to-4 line decoder/demultiplexer
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 0.7 x VCC
• Low-Level Input Voltage: 0.3 x VCC
• High-Level Output Voltage: 0.9 x VCC
• Low-Level Output Voltage: 0.1 x VCC
• Maximum Operating Frequency: 100 MHz
• Propagation Delay: 6 ns (typical)

Detailed Pin Configuration

The 74LVC139BQ,115 has a total of 16 pins arranged as follows:

+---+--+---+ A1 -|1 +--+ 16|- VCC A0 -|2 |- Y0 E1 -|3 |- Y1 E0 -|4 |- GND Y0 -|5 |- Y2 Y1 -|6 |- Y3 Y2 -|7 |- E1 Y3 -|8 |- E0 GND/V -|9 |- A0 Y4 -|10 |- A1 Y5 -|11 |- nOE Y6 -|12 |- nOE Y7 -|13 |- Y6 GND -|14 |- Y5 Y8 -|15 |- Y4 +---+--+---+

Functional Features

The 74LVC139BQ,115 is a dual 2-to-4 line decoder/demultiplexer IC. It takes two binary inputs (A1 and A0) and two enable inputs (E1 and E0) to generate four outputs (Y0 to Y3). The active-low enable inputs allow the user to select the desired output line. This IC operates at high speed while consuming low power due to its implementation using low-voltage CMOS technology.

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Wide supply voltage range - Compact TSSOP-16 package

Disadvantages: - Limited number of output lines (4) - Lack of built-in protection features

Working Principles

The 74LVC139BQ,115 works based on the principles of digital logic. The binary inputs (A1 and A0) determine which output line is selected when the corresponding enable inputs (E1 and E0) are active. When an enable input is low (active), the selected output line will be low, while all other output lines remain high. The IC uses CMOS technology to achieve high-speed operation and low power consumption.

Detailed Application Field Plans

The 74LVC139BQ,115 can be used in various applications, including but not limited to: - Address decoding in microcontrollers and microprocessors - Data routing and selection in multiplexers - Memory address decoding - Signal demultiplexing

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LVC139BQ,115 include: - 74HC139: High-speed CMOS version with a wider supply voltage range - CD74HC139: High-speed CMOS version with Schmitt-trigger inputs - SN74LS139: Low-power Schottky TTL version

These alternative models can be considered based on specific requirements such as supply voltage range, speed, and power consumption.

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