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HomeProductsIntegrated Circuits (ICs)Logic - ComparatorsSN74F521N
SN74F521N Image
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See specifications for product details.

SN74F521N - Texas Instruments

Manufacturer Part Number
SN74F521N
Manufacturer
Texas Instruments
Allelco Part Number
32D-SN74F521N
ECAD Model
Parts Description
IC COMPARATOR IDENTITY 8B 20DIP
Detailed Description
Package
20-DIP (0.300", 7.62mm)
Data sheet
SN74F521N.pdf
RoHs Status
ROHS3 Compliant
In stock: 103070

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Quantity

Specifications

SN74F521N Tech Specifications
Texas Instruments - SN74F521N technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - SN74F521N

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
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

SN74F521N

Manufacturer

Texas Instruments

Introduction

8-bit identity comparator

Product Features and Performance

Compares two 8-bit digital values and outputs a logic low signal if they are equal

Fast propagation delay of 10ns

Capable of driving up to 20mA of output current in low state

Product Advantages

Reliable and accurate comparison of digital values

High-speed operation

Capable of driving a variety of digital logic circuits

Key Technical Parameters

8-bit comparison

5V to 5.5V supply voltage

0°C to 70°C operating temperature range

20-pin DIP package

Quality and Safety Features

RoHS3 compliant

Tube packaging

Compatibility

Compatible with 74F series logic devices

Application Areas

Digital system integration

Processor/memory interface

Data validation and verification

Product Lifecycle

Active product, not nearing discontinuation

Replacements and upgrades available within the 74F series

Several Key Reasons to Choose This Product

Fast and accurate digital value comparison

Capable of driving a variety of digital logic circuits

Reliable and robust performance within the 74F series

RoHS3 compliance for environmental safety

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments SN74F521N

Product Attribute SN74F521N SN74F521DWR SN74F521DW SN74F541N
Part Number SN74F521N SN74F521DWR SN74F521DW SN74F541N
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Package / Case 20-DIP (0.300", 7.62mm) 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295', 7.50mm Width) 20-DIP (0.300', 7.62mm)
Output Function A=B A=B A=B -
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C (TA)
Series 74F 74F 74F 74F
Current - Output High, Low 1mA, 20mA 1mA, 20mA 1mA, 20mA 15mA, 64mA
Package Tube Tape & Reel (TR) Tube Tube
Base Product Number 74F521 74F521 74F521 74F541
Mounting Type Through Hole Surface Mount Surface Mount Through Hole
Type Identity Comparator Identity Comparator Identity Comparator -
Number of Bits 8 8 8 -
Output Active Low Active Low Active Low -
Max Propagation Delay @ V, Max CL 10ns @ 5V, 50pF 10ns @ 5V, 50pF 10ns @ 5V, 50pF -
Supplier Device Package 20-PDIP 20-SOIC 20-SOIC 20-PDIP
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V

SN74F521N Datasheet PDF

Download SN74F521N pdf datasheets and Texas Instruments documentation for SN74F521N - Texas Instruments.

PCN Design/Specification
Copper Bond Wire Revision A 04/Dec/2013.pdf Material Set 30/Mar/2017.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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SN74F521N Image

SN74F521N

Texas Instruments
32D-SN74F521N

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