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HomeProductsIntegrated Circuits (ICs)Logic - Comparators74F521PC
74F521PC Image
Image may be representation.
See specifications for product details.

74F521PC - Fairchild Semiconductor

Manufacturer Part Number
74F521PC
Manufacturer
Fairchild (onsemi)
Allelco Part Number
32D-74F521PC
ECAD Model
Parts Description
IDENTITY COMPARATOR
Detailed Description
Package
20-DIP (0.300", 7.62mm)
Data sheet
74F521PC.pdf
RoHs Status
ROHS3 Compliant
In stock: 64490

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Quantity

Specifications

74F521PC Tech Specifications
Fairchild Semiconductor - 74F521PC technical specifications, attributes, parameters and parts with similar specifications to Fairchild Semiconductor - 74F521PC

Product Attribute Attribute Value  
Manufacturer Fairchild (onsemi)  
Voltage - Supply 4.5V ~ 5.5V  
Type Identity Comparator  
Supplier Device Package 20-PDIP  
Series 74F  
Package / Case 20-DIP (0.300", 7.62mm)  
Package Tube  
Output Function A=B  
Product Attribute Attribute Value  
Output Active Low  
Operating Temperature 0°C ~ 70°C  
Number of Bits 8  
Mounting Type Through Hole  
Max Propagation Delay @ V, Max CL 10ns @ 5V, 50pF  
Current - Output High, Low 1mA, 20mA  
Base Product Number 74F521  

Parts Introduction

Manufacturer Part Number

74F521PC

Manufacturer

onsemi

Introduction

The onsemi 74F521PC is an 8-bit identity comparator that compares two 8-bit digital inputs and provides an active-low output when the inputs are identical. This device is part of the 74F series of high-performance logic components, designed for applications requiring fast and reliable digital signal processing.

Product Features and Performance

8-bit identity comparison

Active-low output indicates when the two inputs are equal

Operating voltage range of 4.5V to 5.5V

Maximum propagation delay of 10ns at 5V with 50pF load

Operating temperature range of 0°C to 70°C

20-pin DIP (0.300", 7.62mm) package

Product Advantages

High-speed performance for efficient digital signal processing

Reliable and consistent comparison results

Wide operating voltage and temperature range for versatile applications

Industry-standard 74F series compatibility

Key Reasons to Choose This Product

Robust and dependable identity comparison functionality

Optimized for fast-paced digital systems

Proven reliability and compatibility with 74F series components

Suitable for a wide range of applications requiring digital signal comparison

Quality and Safety Features

Manufactured by onsemi, a leading semiconductor company

Adheres to industry standards and safety regulations

Thorough quality control and testing processes

Compatibility

Compatible with 74F series logic components

Suitable for integration into various digital systems and circuits

Application Areas

Digital signal processing

Computer and peripheral device control

Industrial automation and control systems

Test and measurement equipment

Product Lifecycle

["The 74F521PC is an obsolete product, meaning it is no longer in active production.","There are several alternative and equivalent models available, such as the 74HC521, 74HCT521, and 74AC521 series comparators.","Customers are advised to contact our website's sales team for more information on available options and recommendations for suitable replacement products."]

Parts with Similar Specifications

The three parts on the right have similar specifications to Fairchild Semiconductor 74F521PC

Product Attribute 74F521PC 74F521SC 74F521PC 74F521SC
Part Number 74F521PC 74F521SC 74F521PC 74F521SC
Manufacturer Fairchild Semiconductor Fairchild Semiconductor onsemi onsemi
Mounting Type Through Hole Surface Mount Through Hole Surface Mount
Output Active Low Active Low Active Low Active Low
Package Tube Tube Tube Tube
Supplier Device Package 20-PDIP 20-SOIC 20-PDIP 20-SOIC
Base Product Number 74F521 74F521 74F521 74F521
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V
Series 74F 74F 74F 74F
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C
Output Function A=B A=B A=B A=B
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
Current - Output High, Low 1mA, 20mA 1mA, 20mA 1mA, 20mA 1mA, 20mA
Type Identity Comparator Identity Comparator Identity Comparator Identity Comparator
Package / Case 20-DIP (0.300", 7.62mm) 20-SOIC (0.295", 7.50mm Width) 20-DIP (0.300', 7.62mm) 20-SOIC (0.295', 7.50mm Width)

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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74F521PC Image

74F521PC

Fairchild Semiconductor
32D-74F521PC

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