Name: SN74ALS521N
Brand: Texas Instruments
SKU: SN74ALS521N
Price: 2.441 USD
Availability: InStock
Rating: 5 (159 reviews)

SN74ALS521N

For Reference Only

Part Number	SN74ALS521N
Manufacturer	Texas Instruments
Description	IC COMPARATOR IDENTITY 8B 20DIP
Datasheet	SN74ALS521N Specifications
Package	20-DIP (0.300", 7.62mm)
ECAD
In Stock	6,224 piece(s)
Unit Price	$ 2.4410 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	Jun 4 - Jun 9 (Choose Expedited Shipping)
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Part Number # SN74ALS521N (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 SN74ALS521N specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add SN74ALS521N with quantity into BOM. Heisener.com does NOT require any registration to request a quote of SN74ALS521N.

SN74ALS521N Specifications

Manufacturer	Texas Instruments
Category	Integrated Circuits (ICs) - Logic - Comparators
Package	20-DIP (0.300", 7.62mm)
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-DIP (0.300", 7.62mm)
Mounting Type	Through Hole

SN74ALS521N Reviews

Korb*****aynard

April 9, 2023

★ ★ ★ ★ ★

Parts received and tested, all can work, thank you

Mal***** Best

April 1, 2023

★ ★ ★ ★ ★

Everything perfect. Great seller.

Jayl*****Rana

March 3, 2023

★ ★ ★ ★ ★

Purchased this in May and didn't use it until last week. worked and all was good.

Write a Review

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SN74ALS521N Packaging

SN74ALS521N FAQ

1. How to order SN74ALS521N 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 SN74ALS521N is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the SN74ALS521N. All suppliers must pass our qualification reviews before they can publish their products including SN74ALS521N on Heisener; we pay more attention to the channels and quality of SN74ALS521N products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the SN74ALS521N price and inventory displayed accurate?

The price and inventory of SN74ALS521N 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 SN74ALS521N?

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 SN74ALS521N we delivered, we will accept the replacement or return of the SN74ALS521N 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 SN74ALS521N.

(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 SN74ALS521N pin diagram, SN74ALS521N datasheet?

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

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SN74ALS521N 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

SN74ALS521N

D# V36:1790_07327793

Texas Instruments

Identity Comparator 8-Bit 20-Pin PDIP Tube

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

SN74ALS521N

D# SN74ALS521N

Texas Instruments

Identity Comparator 8-Bit 20-Pin PDIP Tube - Rail/Tube (Alt: SN74ALS521N)

Part Number

Manufacturer

Description

Stock

SN74ALS521N

Texas Instruments

Part Number	Manufacturer	Description	Stock
SN74ALS521NSR	Texas Instruments	IC COMPARATOR IDENTITY 8B 20SO	0
SN74ALS521NE4	Texas Instruments	8 CHANNEL IDENTITY COMPARATOR, DIP-20, Comparator Type:Identity, No. of Channels:8, Supply Voltage Min:4.5V, Supply Voltage Max:5.5V, Logic Case Style:DIP, No. of Pins:20, Operating Temperature Min:0C, Operating Temperature Max:70C, RoHS Compliant: Yes	0
SN74ALS521N	Texas Instruments	Min Qty 4	1438

Part Number

Manufacturer

Description

Stock

SN74ALS521N

D# 296-33743-5-ND

Texas Instruments

IC COMPARATOR IDENTITY 8B 20DIP

352

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

SN74ALS521NS

Texas Instruments

OEM/CM QUOTES ONLY | NO BROKERS

SN74ALS521N

TEXAS INSTRUMENTS

OEM/CM QUOTES ONLY | NO BROKERS

4522

Part Number	Manufacturer	Description	Stock
SN74ALS521NSJSMDT	Texas Instruments	OEM/CM ONLY	1443
SN74ALS521NS	Texas Instruments	OEM/CM ONLY	669
SN74ALS521NBULK	Texas Instruments	OEM/CM ONLY	120
SN74ALS521NSJSMD2	Texas Instruments	OEM/CM ONLY	278
SN74ALS521NDIP20LEADED	Texas Instruments	OEM/CM ONLY	725
43AV4JKSN74ALS521N	Texas Instruments	OEM/CM ONLY	597
SN74ALS521NE4	Texas Instruments	OEM/CM ONLY	734
SN74ALS521NTI	Texas Instruments	OEM/CM ONLY	8085
SN74ALS521NSRE4	Texas Instruments	OEM/CM ONLY	822
SN74ALS521NDIP20	Texas Instruments	OEM/CM ONLY	234
SN74ALS521NSEL20	Texas Instruments	OEM/CM ONLY	366
SN74ALS521N	Texas Instruments	OEM/CM ONLY	647
SN74ALS521NSR	Texas Instruments	OEM/CM ONLY	494

Part Number

Manufacturer

Description

Stock

SN74ALS521N

Texas Instruments

OEM/CM Immediate delivery

245

Part Number

Manufacturer

Description

Stock

SN74ALS521N

D# 595-SN74ALS521N

Texas Instruments

Logic Comparators 8-Bit Id Comparators W/open-Collector Out

RoHS: Compliant

240

Part Number

Manufacturer

Description

Stock

SN74ALS521N

D# 49X0960

Texas Instruments

COMPARATOR ICS 8-BIT ID COMPARATORS W/OPEN-COLLECTOR OUT ROHS COMPLIANT: YES

RoHS: Compliant

Min Qty: 1

Container: Bulk

Part Number	Manufacturer	Description	Stock
SN74ALS521NE4 D# NS-SN74ALS521NE4	Texas Instruments	OEM/CM ONLY	8738
SN74ALS521NSRE4 D# NS-SN74ALS521NSRE4	Texas Instruments	OEM/CM ONLY	2957
SN74ALS521NSRG4 D# NS-SN74ALS521NSRG4	Texas Instruments	OEM/CM ONLY	5960
SN74ALS521N D# NS-SN74ALS521N	Texas Instruments	OEM/CM ONLY	7843
SN74ALS521NSR D# NS-SN74ALS521NSR	Texas Instruments	OEM/CM ONLY	1670

Part Number

Manufacturer

Description

Stock

SN74ALS521N

Texas Instruments

IDENTITY COMPARATOR, 20 Pin, Plastic, DIP

853

Part Number

Manufacturer

Description

Stock

SN74ALS521N

D# SN74ALS521N

Texas Instruments

Semiconductor

580

Part Number

Manufacturer

Description

Stock

SN74ALS521N

D# 0442779

Texas Instruments

Texas Instruments SN74ALS521N, 8-Bit, Identity Comparator, Push-Pull, Inverting, 20-Pin PDIP, EA

Min Qty: 1

Container: Bulk

Part Number

Manufacturer

Description

Stock

SN74ALS521N

Texas Instruments

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

RoHS: Compliant

18402

SN74ALS521NSR

Texas Instruments

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

RoHS: Compliant

15800

Part Number

Manufacturer

Description

Stock

SN74ALS521NS

Texas Instruments

OEM/CM ONLY

SN74ALS521N

Texas Instruments

OEM/CM ONLY

16945

Part Number

Manufacturer

Description

Stock

SN74ALS521N

Texas Instruments

IN stock Immediate delivery

240

Part Number

Manufacturer

Description

Stock

SN74ALS521N

Texas Instruments

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

SN74ALS521NSR

Texas Instruments

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

Part Number

Manufacturer

Description

Stock

SN74ALS521NSR

Texas Instruments

shipping today

5457

Part Number	Manufacturer	Description	Stock
SN74ALS521NSR	Texas Instruments	RFQ	10973
SN74ALS521N	Texas Instruments	RFQ	1599
SN74ALS521NE4	Texas Instruments	RFQ	340

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SN74ALS521N

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