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SN74F521N Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
SN74F521NTI272Yes

SN74F521N is a high-speed 8-bit identity comparator manufactured by Texas Instruments (TI).

The SN74F521N is a high-speed 8-bit identity comparator manufactured by Texas Instruments (TI).

Specifications:

  • Manufacturer: Texas Instruments (TI)
  • Part Number: SN74F521N
  • Technology Family: 74F
  • Function: 8-bit identity comparator
  • Supply Voltage Range: 4.5V to 5.5V
  • Operating Temperature Range: 0°C to 70°C
  • Package Type: PDIP (Plastic Dual In-Line Package)
  • Pin Count: 20
  • Propagation Delay: Typically 7.5 ns
  • Output Type: TTL-compatible
  • Logic Type: CMOS

Descriptions:

The SN74F521N compares two 8-bit binary words (A and B) and provides an active-low output when the two words are identical. It features enable inputs (G1 and G2) for cascading multiple comparators.

Features:

  • High-Speed Operation: Fast propagation delay (7.5 ns typical)
  • TTL-Compatible Inputs and Outputs
  • Cascadable Design: Enable inputs allow expansion to larger word sizes
  • Wide Operating Voltage Range: 4.5V to 5.5V
  • Low Power Consumption
  • Industrial Standard Pinout

This device is commonly used in digital systems for equality checking, memory addressing, and control applications.

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

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