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HomeProductsIntegrated Circuits (ICs)Logic - Comparators74F521SCX
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74F521SCX - onsemi

Manufacturer Part Number
74F521SCX
Manufacturer
onsemi
Allelco Part Number
32D-74F521SCX
ECAD Model
Parts Description
IC COMPARATOR IDENTITY 8B 20SOIC
Detailed Description
Package
20-SOIC (0.295", 7.50mm Width)
Data sheet
74F521.pdf
Our certification
In stock: 9680

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Specifications

74F521SCX Tech Specifications
onsemi - 74F521SCX technical specifications, attributes, parameters and parts with similar specifications to onsemi - 74F521SCX

Product Attribute Attribute Value  
Manufacturer onsemi  
Voltage - Supply 4.5V ~ 5.5V  
Type Identity Comparator  
Supplier Device Package 20-SOIC  
Series 74F  
Package / Case 20-SOIC (0.295", 7.50mm Width)  
Package Tape & Reel (TR)  
Output Function A=B  
Product Attribute Attribute Value  
Output Active Low  
Operating Temperature 0°C ~ 70°C  
Number of Bits 8  
Mounting Type Surface Mount  
Max Propagation Delay @ V, Max CL 10ns @ 5V, 50pF  
Current - Output High, Low 1mA, 20mA  
Base Product Number 74F521  

Parts Introduction

Manufacturer Part Number

74F521SCX

Manufacturer

onsemi

Introduction

The 74F521SCX is an identity comparator designed to compare two 8-bit data words and indicate their equality.

Product Features and Performance

8-Bit Identity Comparator

Active Low Output Signal

The comparator is designed to operate with a typical supply voltage of 5V

Fast propagation delay of 10ns at 5V and 50pF capacitive load

Offers a standard operating temperature range of 0°C to 70°C

Can drive up to 1mA when output is high and sink 20mA when output is low

Product Advantages

Rapid comparison speed suits high-performance systems

Capability to drive low-level input circuits directly with the active low output

Compatibility with TTL logic families

Key Technical Parameters

Type: Identity Comparator

Number of Bits: 8

Output Function: A=B (equality)

Voltage - Supply: 4.5V ~ 5.5V

Current - Output High, Low: 1mA, 20mA

Max Propagation Delay @ V, Max CL: 10ns @ 5V, 50pF

Operating Temperature Range: 0°C ~ 70°C

Mounting Type: Surface Mount

Quality and Safety Features

Constructed conforming to industry standards for logic comparators

Designed for a reliable performance within the specified operating conditions

Compatibility

Usable with other 74F series logic components

Fit for 20-SOIC device integration

Application Areas

Can be used in digital systems requiring word comparisons such as memory controllers, microprocessors, and data communication systems

Product Lifecycle

Product Status: Obsolete

End of life with no recommended direct replacement, although alternative components for new designs may be available

Key Reasons to Choose This Product

Fast processing speed ensures quick and efficient data comparison

Optimized for low-power consumption while maintaining high output drive capability

Surface mount package makes it suitable for compact designs

A well-established component from a reputable manufacturer within the industry

Enhances the reliability of digital data systems with equality check capabilities

Parts with Similar Specifications

The three parts on the right have similar specifications to onsemi 74F521SCX

Product Attribute 74F521SCX 74F521PC 74F521PC 74F521SJ
Part Number 74F521SCX 74F521PC 74F521PC 74F521SJ
Manufacturer onsemi onsemi Fairchild Semiconductor onsemi
Package Tape & Reel (TR) Tube Tube Tube
Supplier Device Package 20-SOIC 20-PDIP 20-PDIP 20-SOP
Base Product Number 74F521 74F521 74F521 74F521
Series 74F 74F 74F 74F
Output Function A=B A=B A=B A=B
Type Identity Comparator Identity Comparator Identity Comparator Identity Comparator
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C
Max Propagation Delay @ V, Max CL 10ns @ 5V, 50pF 10ns @ 5V, 50pF 10ns @ 5V, 50pF 10ns @ 5V, 50pF
Number of Bits 8 8 8 8
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V
Package / Case 20-SOIC (0.295", 7.50mm Width) 20-DIP (0.300', 7.62mm) 20-DIP (0.300", 7.62mm) 20-SOIC (0.209", 5.30mm Width)
Mounting Type Surface Mount Through Hole Through Hole Surface Mount
Output Active Low Active Low Active Low Active Low
Current - Output High, Low 1mA, 20mA 1mA, 20mA 1mA, 20mA 1mA, 20mA

74F521SCX Datasheet PDF

Download 74F521SCX pdf datasheets and onsemi documentation for 74F521SCX - onsemi.

Datasheets
74F521.pdf
Environmental Information
onsemi REACH.pdf onsemi RoHS.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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74F521SCX Image

74F521SCX

onsemi
32D-74F521SCX

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