View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Africa, India and Middle East
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
South America / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
North America
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
HomeProductsIntegrated Circuits (ICs)Logic - ComparatorsDM74ALS521N
DM74ALS521N Image
Image may be representation.
See specifications for product details.

DM74ALS521N - onsemi

Manufacturer Part Number
DM74ALS521N
Manufacturer
onsemi
Allelco Part Number
32D-DM74ALS521N
ECAD Model
Parts Description
IC COMPARATOR IDENTITY 8B 20DIP
Detailed Description
Package
20-DIP (0.300', 7.62mm)
Data sheet
Cylindrical Battery Holders.pdf
In stock: 5790

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity

Specifications

DM74ALS521N Tech Specifications
onsemi - DM74ALS521N technical specifications, attributes, parameters and parts with similar specifications to onsemi - DM74ALS521N

Product Attribute Attribute Value  
Manufacturer onsemi  
Voltage - Supply 4.5V ~ 5.5V  
Type Identity Comparator  
Supplier Device Package 20-PDIP  
Series 74ALS  
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 20ns @ 5V, 50pF  
Current - Output High, Low 2.6mA, 24mA  
Base Product Number 74ALS521  

Parts Introduction

Manufacturer Part Number

DM74ALS521N

Manufacturer

onsemi

Introduction

The DM74ALS521N is an 8-bit identity comparator that compares two 8-bit digital inputs and provides an active low output when the two inputs are identical. It is a high-speed, low-power CMOS device that is ideal for a variety of digital logic and control applications.

Product Features and Performance

8-bit identity comparator

Active low output when A = B

High-speed operation with a maximum propagation delay of 20ns at 5V and 50pF load

Low power consumption with 4.5V to 5.5V supply voltage range

Operating temperature range of 0°C to 70°C

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

Product Advantages

Compact and efficient design for space-constrained applications

Reliable and consistent performance with onsemi's high-quality manufacturing

Versatile for a wide range of digital logic and control applications

Key Reasons to Choose This Product

High-speed and low-power operation for enhanced system performance

Robust and reliable design for long-lasting performance

Proven onsemi quality and reliability in a wide range of industries

Quality and Safety Features

Manufactured to onsemi's strict quality standards

Meets relevant safety and regulatory requirements

Compatibility

The DM74ALS521N is compatible with other 74ALS series logic devices and can be used in a variety of digital logic and control applications.

Application Areas

Digital logic and control systems

Data processing and comparison

Industrial automation and control

Automotive electronics

Consumer electronics

Product Lifecycle

The DM74ALS521N is an obsolete product, meaning it is no longer in active production. However, there may be equivalent or alternative models available from onsemi or other manufacturers. Customers are advised to contact our website's sales team for more information on available options.

Parts with Similar Specifications

The three parts on the right have similar specifications to onsemi DM74ALS521N

Product Attribute DM74ALS521N DM74ALS520WM DM74ALS520WM DM74ALS521WMX
Part Number DM74ALS521N DM74ALS520WM DM74ALS520WM DM74ALS521WMX
Manufacturer onsemi onsemi Texas Instruments onsemi
Mounting Type Through Hole Surface Mount Surface Mount Surface Mount
Number of Bits 8 8 8 8
Output Function A=B A=B A=B A=B
Base Product Number 74ALS521 74ALS520 74ALS520 74ALS521
Max Propagation Delay @ V, Max CL 20ns @ 5V, 50pF 20ns @ 5V, 50pF 22ns @ 5V, 50pF 20ns @ 5V, 50pF
Package Tube Tube Bulk Tape & Reel (TR)
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C
Supplier Device Package 20-PDIP 20-SOIC 20-SOIC 20-SOIC
Series 74ALS 74ALS - 74ALS
Output Active Low Active Low Active Low Active Low
Current - Output High, Low 2.6mA, 24mA 2.6mA, 24mA 2.6mA, 24mA 2.6mA, 24mA
Package / Case 20-DIP (0.300', 7.62mm) 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width)
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V
Type Identity Comparator Identity Comparator Identity Comparator Identity Comparator

DM74ALS521N Datasheet PDF

Download DM74ALS521N pdf datasheets and onsemi documentation for DM74ALS521N - onsemi.

Datasheets
Cylindrical Battery Holders.pdf
Environmental Information
onsemi RoHS.pdf
PCN Obsolescence/ EOL
PDN#Q1080165 17/Jan/2008.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

View More
DM74ALS521N Image

DM74ALS521N

onsemi
32D-DM74ALS521N

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

0 RFQ
Shopping cart (0 Items)
It is empty.
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB