SN74LVC139APWG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Decoder/Demultiplexer
• Characteristics: Low-Voltage, CMOS Logic, Dual 2-Line to 4-Line Decoder/Demultiplexer
• Package: TSSOP-16
• Essence: High-performance digital logic device for decoding and demultiplexing applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Speed CMOS Technology
• Low Power Consumption: Max 10µA
• Schmitt-Trigger Inputs for Noise Immunity
• Output Drive Capability: ±24mA at 3.3V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVC139APWG4 has a total of 16 pins arranged as follows:

__ __ A1 |1 `--' 16| VCC B1 |2 15| Y0 A0 |3 14| Y1 B0 |4 13| GND G1 |5 12| Y2 G2 |6 11| Y3 Y0 |7 10| B2 Y1 |8 9| A2 ``````````

Functional Features

• Dual 2-Line to 4-Line Decoder/Demultiplexer functionality
• Decodes two binary inputs into four mutually exclusive outputs
• Enables easy selection of one output from multiple inputs
• High-speed operation with low power consumption
• Schmitt-trigger inputs provide noise immunity
• Wide supply voltage range allows compatibility with various systems

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Wide supply voltage range - Noise immunity with Schmitt-trigger inputs

Disadvantages: - Limited number of outputs (four) - Restricted input combinations due to binary decoding

Working Principles

The SN74LVC139APWG4 is a decoder/demultiplexer IC that takes two binary inputs (A1, A0) and selects one of the four outputs (Y0, Y1, Y2, Y3) based on the input combination. The G1 and G2 pins are used to enable or disable the device.

When both G1 and G2 are low, the outputs are enabled, and the selected output is determined by the binary input combination. When either G1 or G2 is high, all outputs are disabled.

The IC operates using high-speed CMOS technology, ensuring fast response times. The Schmitt-trigger inputs provide noise immunity, allowing reliable operation even in noisy environments.

Detailed Application Field Plans

The SN74LVC139APWG4 finds applications in various fields, including:

1. Address Decoding: Used in microcontrollers and memory devices to decode address signals and select specific memory locations.
2. Data Demultiplexing: Enables the selection of data from multiple sources and routing it to the desired destination.
3. Signal Routing: Allows the routing of different signals to specific output channels based on the input combination.
4. Control Circuitry: Used in control systems to decode control signals and activate specific functions based on the input combination.

Detailed and Complete Alternative Models

1. 74HC139: Similar dual 2-line to 4-line decoder/demultiplexer IC with TTL logic levels.
2. CD74HCT139E: Dual 2-to-4 line decoder/demultiplexer IC with Schmitt-trigger inputs and TTL logic levels.
3. SN74LVC138A: 3-line to 8-line decoder/demultiplexer IC with similar characteristics but more output options.

These alternative models provide similar functionality and can be used as substitutes for the SN74LVC139APWG4 in various applications.

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