Name: SN74F521N
Brand: Texas Instruments
SKU: SN74F521N
Price: 0.9904 USD
Availability: InStock
Rating: 5 (87 reviews)

SN74F521N

For Reference Only

Part Number	SN74F521N
Manufacturer	Texas Instruments
Description	IC COMPARATOR IDENTITY 8B 20DIP
Datasheet	SN74F521N Specifications
Package	20-DIP (0.300", 7.62mm)
ECAD
In Stock	40,392 piece(s)
Unit Price	$ 0.9904 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 22 - Apr 27 (Choose Expedited Shipping)
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Part Number # SN74F521N (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 SN74F521N specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add SN74F521N with quantity into BOM. Heisener.com does NOT require any registration to request a quote of SN74F521N.

SN74F521N Specifications

Manufacturer	Texas Instruments
Category	Integrated Circuits (ICs) - Logic - Comparators
Package	20-DIP (0.300", 7.62mm)
ECAD
Series	74F
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	1mA, 20mA
Max Propagation Delay @ V, Max CL	10ns @ 5V, 50pF
Current - Quiescent (Iq)	-
Operating Temperature	0°C ~ 70°C
Package / Case	20-DIP (0.300", 7.62mm)
Mounting Type	Through Hole

SN74F521N Reviews

Bexl*****aval

April 2, 2023

★ ★ ★ ★ ★

So far all the items still work. I'm using these for some home made solar panels and they're doing great.

Jadi*****aughn

March 28, 2023

★ ★ ★ ★ ★

Boundless range of products, ease of search and fast delivery continue to impress. Heisener is always my first stop for electronic components.

Mat*****Jha

March 27, 2023

★ ★ ★ ★ ★

Not messy and easy to handle. I've used these professionally and for my self, and they never failed me.

Kaiy*****nner

March 23, 2023

★ ★ ★ ★ ★

can supply almost all of my necessary parts in short lead time.

Madel*****ryant

March 9, 2023

★ ★ ★ ★ ★

They work great exactly what I needed.

Laur*****eyna

March 8, 2023

★ ★ ★ ★ ★

Worked perfectly for my application. Worked like a charm!

Karin*****nklin

March 3, 2023

★ ★ ★ ★ ★

2nd time buying these - quite good. Very fast shipping

Dax*****pez

March 2, 2023

★ ★ ★ ★ ★

Rec today in good order & condition . Thanks for speedy delivery.Regards.

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SN74F521N Packaging

SN74F521N FAQ

1. How to order SN74F521N 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 SN74F521N is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the SN74F521N. All suppliers must pass our qualification reviews before they can publish their products including SN74F521N on Heisener; we pay more attention to the channels and quality of SN74F521N products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the SN74F521N price and inventory displayed accurate?

The price and inventory of SN74F521N 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 SN74F521N?

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 SN74F521N we delivered, we will accept the replacement or return of the SN74F521N 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 SN74F521N.

(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 SN74F521N pin diagram, SN74F521N datasheet?

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

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SN74F521N 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

SN74F521NSR

D# V36:1790_07336294

Texas Instruments

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

RoHS: Compliant

SN74F521N

D# V36:1790_07336293

Texas Instruments

Identity Comparator 8-Bit 20-Pin PDIP Tube

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

SN74F521N

Texas Instruments

408

Part Number	Manufacturer	Description	Stock
SN74F521NSRE4	Rochester Electronics LLC	74F521 Identity Comparator SN74F521NSRE4	0
SN74F521NSRG4	Rochester Electronics LLC	74F521 Identity Comparator SN74F521NSRG4	0
SN74F521N	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	225
SN74F521NE4	Rochester Electronics LLC	74F521 Identity Comparator SN74F521NE4	0
SN74F521NSR	Texas Instruments	IC COMPARATOR IDENTITY 8B 20SO	0

Part Number

Manufacturer

Description

Stock

SN74F521NS

D# C1S746203722935

Texas Instruments

Identity Comparator 8-Bit 20-Pin SOP Tube

RoHS: Compliant

pbFree: Yes

Min Qty: 1

Container: Tube

677

Part Number

Manufacturer

Description

Stock

SN74F521N

Texas Instruments

N/A (ship within 1day) - D/C 2003+

Part Number	Manufacturer	Description	Stock
SN74F521NS D# 2156-SN74F521NS-ND	Rochester Electronics LLC	IC COMPARATOR IDENTITY 8B 20SO	10953
SN74F521N D# 296-33912-5-ND	Texas Instruments	IC COMPARATOR IDENTITY 8B 20DIP	1629
SN74F521NSR D# 2156-SN74F521NSR-ND	Rochester Electronics LLC	SN74F521 8-BIT IDENTITY/MAGNITUD	3450

Part Number

Manufacturer

Description

Stock

SN74F521N

Texas Instruments

In stock shipping within 2days

305

Part Number

Manufacturer

Description

Stock

SN74F521N

D# 3121035

Texas Instruments

LOGIC, COMPARATOR ID 8BIT, 20DIP

RoHS: Compliant

Min Qty: 1

Container: Each

853

SN74F521N .

D# 1740264

Texas Instruments

LOGIC, COMPARATOR ID 8BIT, 20DIP

RoHS: Compliant

Min Qty: 1

Container: Each

Part Number	Manufacturer	Description	Stock
SN74F521N	TEXAS INSTRUMENTS	OEM/CM QUOTES ONLY \| NO BROKERS	3046
SN74F521NTI92		OEM/CM QUOTES ONLY \| NO BROKERS	21
SN74F521NS	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	13034
SN74F521NSRG4	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	2380

Part Number	Manufacturer	Description	Stock
SN74F521NSR	Texas Instruments	OEM/CM ONLY	835
SN74F521NSRE4	Texas Instruments	OEM/CM ONLY	1063
SN74F521NS	Texas Instruments	OEM/CM ONLY	185
SN74F521NTI93	Texas Instruments	OEM/CM ONLY	102
SN74F521NTI	Texas Instruments	OEM/CM ONLY	142
SN74F521NE4	Texas Instruments	OEM/CM ONLY	198
SN74F521N8826	Texas Instruments	OEM/CM ONLY	644
SN74F521NSRG4	Texas Instruments	OEM/CM ONLY	2100
SN74F521NSRG4LF	Texas Instruments	OEM/CM ONLY	726
SN74F521NSSOP1K	Texas Instruments	OEM/CM ONLY	1000
74F521NSN74F521N	Texas Instruments	OEM/CM ONLY	339
SN74F521NSSMDJTUB	Texas Instruments	OEM/CM ONLY	1200

Part Number

Manufacturer

Description

Stock

SN74F521N

OEM/CM Immediate delivery

140

Part Number

Manufacturer

Description

Stock

SN74F521NSR

D# 595-SN74F521NSR

Texas Instruments

Logic Comparators Octal Binary/BCD Idy Comparators w/Enable

RoHS: Compliant

1836

SN74F521N

D# 595-SN74F521N

Texas Instruments

Logic Comparators Octal Binary/BCD Idy Comparators w/Enable

RoHS: Compliant

1485

Part Number

Manufacturer

Description

Stock

SN74F521N

D# 67K1075

Texas Instruments

8 CHANNEL IDENTITY COMPARATOR, DIP-20, Logic Family / Base Number:74F521, Comparator Type:Identity, No. of Channels:8Channels, No. of Bits:8bit, Logic Case Style:DIP, No. of Pins:20Pins, Supply Voltage Min:4.5V, Logic IC Family:74F RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Bulk

729

Part Number	Manufacturer	Description	Stock
SN74F521NSRE4 D# NS-SN74F521NSRE4	Texas Instruments	OEM/CM ONLY	8277
SN74F521NSR D# NS-SN74F521NSR	Texas Instruments	OEM/CM ONLY	3788
SN74F521NE4 D# NS-SN74F521NE4	Texas Instruments	OEM/CM ONLY	5142
N74F521N D# NS-N74F521N	VARIOUS	OEM/CM ONLY	1704
SN74F521NSRG4 D# NS-SN74F521NSRG4	Texas Instruments	OEM/CM ONLY	2578
SN74F521N D# NS-SN74F521N	Texas Instruments	OEM/CM ONLY	4067

Part Number

Manufacturer

Description

Stock

SN74F521N

Texas Instruments

IDENTITY COMPARATOR, 20 Pin, Plastic, DIP

321

Part Number

Manufacturer

Description

Stock

SN74F521N

D# SN74F521N

Texas Instruments

Semiconductor

398

Part Number	Manufacturer	Description	Stock
SN74F521NS	Texas Instruments	SN74F521 8-Bit Identity/Magnitude Comparators (P=Q) with Enable RoHS: Not Compliant pbFree: No	10953
SN74F521N	Texas Instruments	SN74F521 8-Bit Identity/Magnitude Comparators (P=Q) with Enable RoHS: Compliant	5113
SN74F521NSR	Texas Instruments	SN74F521 8-Bit Identity/Magnitude Comparators (P=Q) with Enable RoHS: Compliant	3450

Part Number

Manufacturer

Description

Stock

SN74F521N

Texas Instruments

OEM/CM ONLY

10809

SN74F521NSRG4

Texas Instruments

OEM/CM ONLY

2016

Part Number

Manufacturer

Description

Stock

SN74F521N

IN stock Immediate delivery

135

Part Number

Manufacturer

Description

Stock

SN74F521N

Texas Instruments

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

SN74F521NSR

Texas Instruments

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

Part Number

Manufacturer

Description

Stock

SN74F521N

Texas Instruments

shipping today

1078

Part Number

Manufacturer

Description

Stock

SN74F521N

Texas Instruments

RFQ

4269

Part Number

Manufacturer

Description

Stock

SN74F521NSR

Texas Instruments

IC COMPARATOR IDENTITY 8B 20SO

1623

SN74F521N

Texas Instruments

8-BIT IDENTITY COMPARATORS

4606

Part Number

Manufacturer

Description

Stock

SN74F521N

D# 3121035

Texas Instruments

LOGIC, COMPARATOR ID 8BIT, 20DIP

RoHS: Compliant

Min Qty: 1

Container: Each

863

SN74F521N .

D# 1740264

Texas Instruments

LOGIC, COMPARATOR ID 8BIT, 20DIP

RoHS: Compliant

Min Qty: 1

Container: Each

Quick Inquiry

SN74F521N

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