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SN74AS646NT Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
SN74AS646NTTI457Yes

SN74AS646NT** is a high-speed octal bus transceiver and register manufactured by **Texas Instruments (TI)**.

The SN74AS646NT is a high-speed octal bus transceiver and register manufactured by Texas Instruments (TI).

Key Specifications:

  • Logic Type: Octal Bus Transceiver/Register
  • Number of Bits: 8
  • Voltage Supply Range: 4.5V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: PDIP-24 (Plastic Dual In-Line Package)
  • Output Type: 3-State
  • Propagation Delay: Typically 8ns (max)
  • High-Level Output Current: -15mA
  • Low-Level Output Current: 48mA

Descriptions & Features:

  • Bidirectional Data Flow: Allows data transmission in both directions between A and B buses.
  • 3-State Outputs: Provides high-impedance state for bus isolation.
  • Latch/Transparent Mode: Can operate as a latch or transparent register based on control inputs.
  • Direction Control: DIR pin controls data flow direction.
  • Output Enable (OE): Enables/disables outputs for bus sharing.
  • AS (Advanced Schottky) Technology: Ensures high-speed operation with low power consumption.
  • Wide Operating Voltage: Compatible with standard 5V TTL systems.

This device is commonly used in data communication systems, microprocessor interfaces, and bus-oriented applications.

*(Note: Always refer to the official TI datasheet for detailed electrical characteristics and application notes.)*

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