Name: 74ACT521SC
Brand: ON Semiconductor
SKU: 74ACT521SC_1D8
Price: 5.4017 USD
Availability: InStock
Rating: 5 (190 reviews)

74ACT521SC

For Reference Only

Part Number	74ACT521SC
Manufacturer	ON Semiconductor
Description	IC COMPARATOR IDENTITY 8B 20SOIC
Datasheet	74ACT521SC Datasheet 74ACT521SC Specifications
Package	20-SOIC (0.295", 7.50mm Width)
ECAD
In Stock	3,584 piece(s)
Unit Price	$ 5.4017 *
Lead Time	To be Confirmed
Estimated Delivery Time	Apr 18 - Apr 23 (Choose Expedited Shipping)
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Part Number # 74ACT521SC (Logic - Comparators) is manufactured by ON Semiconductor 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 74ACT521SC specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 74ACT521SC with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 74ACT521SC.

74ACT521SC Specifications

Manufacturer	ON Semiconductor
Category	Integrated Circuits (ICs) - Logic - Comparators
Package	20-SOIC (0.295", 7.50mm Width)
ECAD
Series	74ACT
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	24mA, 24mA
Max Propagation Delay @ V, Max CL	10ns @ 5V, 50pF
Current - Quiescent (Iq)	4µA
Operating Temperature	-40°C ~ 85°C
Package / Case	20-SOIC (0.295", 7.50mm Width)
Mounting Type	Surface Mount

74ACT521SC Datasheet

74ACT521SC Reviews

Kade*****dman

April 7, 2023

★ ★ ★ ★ ★

I got a very helpful customer service here. Definitely will order my electronics needs again.

Lia*****lindo

April 6, 2023

★ ★ ★ ★ ★

All of the components worked, and are still working. So even though the price is amazingly low, the diodes really do work!

Zain*****ixon

April 5, 2023

★ ★ ★ ★ ★

Order arrived to Estonia in 3 days. Item as described. Well packed.

Hal*****Morse

March 30, 2023

★ ★ ★ ★ ★

The are the right size and type and do what they are designed to do.

Car***** Bala

March 19, 2023

★ ★ ★ ★ ★

fast delivery and good product, very happy

Geor*****ones

March 13, 2023

★ ★ ★ ★ ★

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

Benj***** Liu

March 11, 2023

★ ★ ★ ★ ★

I recommend this and would definitely buy it again.

Audri*****rding

March 9, 2023

★ ★ ★ ★ ★

Outstanding supplier! Heisener is on a very short list of suppliers I can recommend. From stock, pricing, ease of ordering and great service, they get it all.

Lay*****Kar

February 20, 2023

★ ★ ★ ★ ★

I can find what I want, and also trust I'm getting what I paid for. Many times I had to send things back or eat the cost dealing shady sellers, either way it cost me.

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74ACT521SC Packaging

74ACT521SC FAQ

1. How to order 74ACT521SC 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 74ACT521SC is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 74ACT521SC. All suppliers must pass our qualification reviews before they can publish their products including 74ACT521SC on Heisener; we pay more attention to the channels and quality of 74ACT521SC products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 74ACT521SC price and inventory displayed accurate?

The price and inventory of 74ACT521SC 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 74ACT521SC?

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 74ACT521SC we delivered, we will accept the replacement or return of the 74ACT521SC 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 74ACT521SC.

(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 74ACT521SC pin diagram, 74ACT521SC datasheet?

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

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AD8602ARM-REEL	Analog Devices Inc., IC OPAMP GP 8.4MHZ RRO 8MSOP, 8-TSSOP, 8-MSOP (0.118", 3.00mm Width), 74ACT	View
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74ACT521SC 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

74ACT521SCX

Fairchild Semiconductor Corporation

911

74ACT521SC

Fairchild Semiconductor Corporation

911

Part Number

Manufacturer

Description

Stock

74ACT521SC

D# 2156-74ACT521SC-ND

Rochester Electronics LLC

IDENTITY COMPARATOR, AC SERIES,

3384

74ACT521SCX

D# 74ACT521SCX-ND

ON Semiconductor

IC COMPARATOR IDENTITY 8B 20SOIC

Part Number	Manufacturer	Description	Stock
M74ACT521SC	FUJITSU Limited	OEM/CM QUOTES ONLY \| NO BROKERS	5
DM74ACT521SC	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	92
74ACT521SC	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	3892
74ACT521SCX	Fairchild Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	692

Part Number

Manufacturer

Description

Stock

74ACT521SC

National Semiconductor Corporation

OEM/CM Immediate delivery

263

Part Number

Manufacturer

Description

Stock

74ACT521SC

D# NS-74ACT521SC

Fairchild Semiconductor Corporation

OEM/CM ONLY

5611

74ACT521SCX

D# NS-74ACT521SCX

Fairchild Semiconductor Corporation

OEM/CM ONLY

5078

Part Number

Manufacturer

Description

Stock

74ACT521SC

Fairchild Semiconductor Corporation

IDENTITY COMPARATOR, 20 Pin, Plastic, SOP

Part Number

Manufacturer

Description

Stock

74ACT521SC

Rochester Electronics LLC

74ACT521 - Identity Comparator, AC Series, 8-Bit, Inverted Output, CMOS

RoHS: Not Compliant

3384

Part Number	Manufacturer	Description	Stock
74ACT521SCX	Fairchild Semiconductor Corporation	OEM/CM ONLY	1550
74ACT521SC	Fairchild Semiconductor Corporation	OEM/CM ONLY	836
DM74ACT521SC	National Semiconductor Corporation	OEM/CM ONLY	96

Part Number

Manufacturer

Description

Stock

74ACT521SC

National Semiconductor Corporation

IN stock Immediate delivery

258

Part Number

Manufacturer

Description

Stock

74ACT521SC

shipping today

959

Part Number

Manufacturer

Description

Stock

74ACT521SCX

mfr

RFQ

8060

74ACT521SC

mfr

RFQ

3087

Part Number

Manufacturer

Description

Stock

74ACT521SCX

Fairchild Semiconductor Corporation

IC COMPARATOR IDENTITY 8B 20SOIC

4600

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74ACT521SC

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