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SN74LS251N Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
SN74LS251NTI129Yes

SN74LS251N is a 8-input multiplexer manufactured by Motorola.

The SN74LS251N is a 8-input multiplexer manufactured by Motorola. Below are its specifications, descriptions, and features:

Specifications:

  • Logic Family: LS (Low-Power Schottky)
  • Function: 8-Input Multiplexer
  • Number of Inputs: 8 (Data Select Lines: 3)
  • Output Type: Tri-State (Controlled by Output Enable)
  • Supply Voltage (VCC): 4.75V to 5.25V
  • Operating Temperature Range: 0°C to 70°C
  • Package Type: PDIP-16 (Plastic Dual In-Line Package)
  • Propagation Delay: Typically 15ns (at 5V)
  • Power Dissipation: 45mW (Typical)

Descriptions:

The SN74LS251N is a high-speed 8-input digital multiplexer with tri-state outputs. It selects one of eight data inputs (D0-D7) based on the three select lines (A, B, C) and routes it to the output (Y). The output can be disabled using the Output Enable (OE) pin, placing it in a high-impedance state.

Features:

  • Tri-State Output: Allows bus-oriented operation.
  • Low Power Consumption: Optimized for LS technology.
  • Wide Operating Voltage: Compatible with standard TTL levels.
  • High-Speed Operation: Suitable for fast logic applications.
  • Common Select Lines: Simplifies data routing in digital systems.

For detailed electrical characteristics and timing diagrams, refer to the official Motorola datasheet.

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