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SN74F521N The Texas Instruments SN74F521N is an 8-bit identity comparator designed for comparing two 8-bit binary or BCD words. It operates within a voltage range of 4.5V to 5.5V.
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SN74F521N

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN74F521N is an 8-bit identity comparator designed for comparing two 8-bit binary or BCD words. It operates within a voltage range of 4.5V to 5.5V.
✓ Total Stock: 10 pcs
$ Price Range: $0.45

SN74F521N Available from 1 distributor

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SN74F521N Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Lead Spacing
Lead Style
Max Propagation Delay @ V, Max CL
Mounting Type
Number of Bits
Operating Temperature
Output
Output Function
Supplier Device Package
Supplier Package
Type
Voltage
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SN74F521N Description

Short technical summary and product information.

The SN74F521N from Texas Instruments is an 8-bit identity comparator. This component is designed to perform comparisons on two 8-bit binary or BCD words, providing outputs that indicate equality.

 

Key electrical characteristics include an operating voltage range of 4.5V to 5.5V and a maximum propagation delay of 10ns at 5V with a 50pF load capacitance. It draws a current of 1mA and 20mA.

 

The device operates within a temperature range of 0°C to 70°C. It is available in a 20-PDIP through-hole package, measuring 0.300 inches (7.62mm) wide.

 

This identity comparator is suitable for applications requiring precise word comparisons in digital systems.

SN74F521N Quick Information

Product Type: Identity Comparator
Series: 74F
Canonical Name: SN74F521N 8-Bit Identity Comparator
Subcategory: Identity Comparator

SN74F521N Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SN74F521N Estimated Pricing

Qty Low High
1+ $0.45 $0.45

Estimated market price range - modelled values for guidance only, not live distributor offers.

SN74F521N Features

  • Performs comparisons on two 8-bit words.
  • Operates from 4.5V to 5.5V supply voltage.
  • Features active low output.
  • Maximum propagation delay of 10ns.
  • Available in 20-PDIP through-hole package.

SN74F521N Applications

  • Digital logic word comparison.
  • Binary and BCD data comparison.
  • Control system logic.
  • Data routing and selection.

SN74F521N FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74F521N?

4.5V to 5.5V.

What package does the SN74F521N come in?

20-pin PDIP (Plastic Dual In-line Package).

What is the operating temperature range?

0°C to 70°C.

What is the output function of the SN74F521N?

Active low (A=B) output.

What is the maximum propagation delay?

10ns at 5V and 50pF load.

What is the supply current range?

1mA to 20mA.

How many bits does the comparator handle?

8 bits.

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