SN74LVC257ADRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Multiplexer
• Characteristics: Low-voltage, high-speed, quadruple 2-line to 1-line data selector/multiplexer
• Package: SOIC-16 (Small Outline Integrated Circuit)
• Essence: Data selection and multiplexing functionality in a compact form factor
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• High-Level Input Voltage: 0.7 x VCC to VCC
• Low-Level Input Voltage: 0V to 0.3 x VCC
• High-Level Output Voltage: 0.9 x VCC to VCC
• Low-Level Output Voltage: 0V to 0.1 x VCC
• Maximum Operating Frequency: 100 MHz
• Propagation Delay Time: 3.8 ns (typical)

Detailed Pin Configuration

The SN74LVC257ADRG4 has a total of 16 pins arranged as follows:

+---+--+---+ A0 --|1 +--+ 16|-- VCC B0 --|2 15|-- Y0 A1 --|3 14|-- Y1 B1 --|4 13|-- Y2 A2 --|5 12|-- Y3 B2 --|6 11|-- GND A3 --|7 10|-- B0 B3 --|8 9|-- B1 +----------+

Functional Features

• Quadruple 2-line to 1-line data selector/multiplexer
• Low-voltage operation, suitable for battery-powered devices
• High-speed operation, ideal for time-critical applications
• Schmitt-trigger inputs for noise immunity
• Output drive capability: ±24 mA at 3.3V
• Supports mixed-mode signal operation on all inputs and outputs

Advantages and Disadvantages

Advantages: - Compact size and low power consumption - Wide supply voltage range allows compatibility with various systems - High-speed operation enables efficient data selection and multiplexing

Disadvantages: - Limited number of input/output lines (4 in this case) - Propagation delay may affect timing-sensitive applications

Working Principles

The SN74LVC257ADRG4 is a quadruple 2-line to 1-line data selector/multiplexer. It selects one of the four input lines based on the control inputs A0, A1, A2, and A3. The selected data is then routed to the output line Y.

The device operates at low voltages, making it suitable for use in battery-powered devices. It also features high-speed operation, allowing for efficient data selection and multiplexing.

Detailed Application Field Plans

The SN74LVC257ADRG4 can be used in various applications, including but not limited to:

1. Data routing and selection in microcontrollers and digital systems.
2. Address decoding in memory systems.
3. Input/output expansion in embedded systems.
4. Signal multiplexing in communication systems.
5. Control signal selection in industrial automation.

Detailed and Complete Alternative Models

1. CD74HC157E: Quad 2-input multiplexer with similar characteristics and pin configuration.
2. MC74LVX157DTR2G: Low-voltage quad 2-line to 1-line data selector/multiplexer with enhanced ESD protection.

These alternative models offer similar functionality and can be used as substitutes for the SN74LVC257ADRG4 in various applications.

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