Name: SN74ALS521NSR
Brand: Texas Instruments
SKU: SN74ALS521NSR
Price: 1.0982 USD
Availability: InStock
Rating: 5 (187 reviews)

SN74ALS521NSR

For Reference Only

Part Number	SN74ALS521NSR
Manufacturer	Texas Instruments
Description	IC COMPARATOR IDENTITY 8B 20SO
Datasheet	SN74ALS521NSR Specifications
Package	20-SOIC (0.209", 5.30mm Width)
ECAD
In Stock	21,648 piece(s)
Unit Price	$ 1.0982 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 28 - May 3 (Choose Expedited Shipping)
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Part Number # SN74ALS521NSR (Logic - Comparators) is manufactured by Texas Instruments and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For SN74ALS521NSR specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add SN74ALS521NSR with quantity into BOM. Heisener.com does NOT require any registration to request a quote of SN74ALS521NSR.

SN74ALS521NSR Specifications

Manufacturer	Texas Instruments
Category	Integrated Circuits (ICs) - Logic - Comparators
Package	20-SOIC (0.209", 5.30mm Width)
ECAD
Series	74ALS
Type	Identity Comparator
Number of Bits	8
Output	Active Low
Output Function	A=B
Voltage - Supply	4.5 V ~ 5.5 V
Current - Output High, Low	2.6mA, 24mA
Max Propagation Delay @ V, Max CL	20ns @ 5V, 50pF
Current - Quiescent (Iq)	-
Operating Temperature	0°C ~ 70°C
Package / Case	20-SOIC (0.209", 5.30mm Width)
Mounting Type	Surface Mount

SN74ALS521NSR Reviews

Franc*****Eaton

April 6, 2023

★ ★ ★ ★ ★

Very quick dispatch, arrived the next day. Item as described. Thanks!

Tatum*****eider

April 3, 2023

★ ★ ★ ★ ★

Great product at a great price. They were so CHEAP.

Kali*****dhar

March 29, 2023

★ ★ ★ ★ ★

To be honest, I think you are doing an outstanding job.

Lexi*****wers

March 24, 2023

★ ★ ★ ★ ★

I am a novice technician. I really rely on reviews to help guide me, as I do not have anyone to assist me with electronics. I purchased these items and report I am happy with the purchase. I took a chance and it was one of the better choices I made.

Coll*****strada

March 21, 2023

★ ★ ★ ★ ★

Heisener is awesome! Never any issues whatsoever. Product selection is good and delivery is on time.

Ty V*****nathan

March 15, 2023

★ ★ ★ ★ ★

So easy to do business with Heisener and they generally have stock on the items we need.

Kea***** Lee

March 4, 2023

★ ★ ★ ★ ★

Very easy to find and order what I wanted. Being able to add multiple items in various quantities from an online catalog page with a simple click.

Colt*****eralta

February 26, 2023

★ ★ ★ ★ ★

I've never had a problem with Heisener. Packages arrive on time and in great condition.

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SN74ALS521NSR Packaging

SN74ALS521NSR FAQ

1. How to order SN74ALS521NSR on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that SN74ALS521NSR is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the SN74ALS521NSR. All suppliers must pass our qualification reviews before they can publish their products including SN74ALS521NSR on Heisener; we pay more attention to the channels and quality of SN74ALS521NSR products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the SN74ALS521NSR price and inventory displayed accurate?

The price and inventory of SN74ALS521NSR fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of SN74ALS521NSR?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the SN74ALS521NSR we delivered, we will accept the replacement or return of the SN74ALS521NSR only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of SN74ALS521NSR.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as SN74ALS521NSR pin diagram, SN74ALS521NSR datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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SN74ALS521NSR Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

SN74ALS521NSR

D# V36:1790_07327794

Texas Instruments

Identity Comparator 8-Bit 20-Pin SOP T/R

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

SN74ALS521NSR

Texas Instruments

IC COMPARATOR IDENTITY 8B 20SO

Part Number

Manufacturer

Description

Stock

SN74ALS521NSR

D# 2156-SN74ALS521NSR-ND

Rochester Electronics LLC

SN74ALS521 8-BIT IDENTITY/MAGNIT

15800

Part Number

Manufacturer

Description

Stock

SN74ALS521NSR

Texas Instruments

In stock shipping within 2days

1804

Part Number

Manufacturer

Description

Stock

SN74ALS521NSR

Texas Instruments

OEM/CM ONLY

494

SN74ALS521NSRE4

Texas Instruments

OEM/CM ONLY

822

Part Number	Manufacturer	Description	Stock
SN74ALS521NSR D# NS-SN74ALS521NSR	Texas Instruments	OEM/CM ONLY	1670
SN74ALS521NSRG4 D# NS-SN74ALS521NSRG4	Texas Instruments	OEM/CM ONLY	5960
SN74ALS521NSRE4 D# NS-SN74ALS521NSRE4	Texas Instruments	OEM/CM ONLY	2957

Part Number

Manufacturer

Description

Stock

SN74ALS521NSR

Texas Instruments

SN74ALS521 8-Bit Identity/Magnitude Comparators (P=Q) with Enable

RoHS: Compliant

15800

Part Number

Manufacturer

Description

Stock

SN74ALS521NSR

Texas Instruments

8-Bit Identity/Magnitude Comparators (P=Q) with Enable

Part Number

Manufacturer

Description

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SN74ALS521NSR

Texas Instruments

shipping today

5457

Part Number

Manufacturer

Description

Stock

SN74ALS521NSR

Texas Instruments

RFQ

10973

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SN74ALS521NSR

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