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74AC521PC

74AC521PC

74AC521PC

For Reference Only

Part Number 74AC521PC
Manufacturer ON Semiconductor
Description IC COMPARATOR IDENTITY 8B 20DIP
Datasheet

74AC521PC Datasheet

74AC521PC Specifications

Package 20-DIP (0.300", 7.62mm)
ECAD
In Stock 7,312 piece(s)
Unit Price $ 6.4605 *
Lead Time To be Confirmed
Estimated Delivery Time Mar 31 - Apr 5 (Choose Expedited Shipping)
Request for Quotation
Payment Methods
Delivery Services

Part Number # 74AC521PC (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 74AC521PC specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 74AC521PC with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 74AC521PC.

74AC521PC Specifications

ManufacturerON Semiconductor
CategoryIntegrated Circuits (ICs) - Logic - Comparators
Package20-DIP (0.300", 7.62mm)
ECAD
Series74AC
TypeIdentity Comparator
Number of Bits8
OutputActive Low
Output FunctionA=B
Voltage - Supply2 V ~ 6 V
Current - Output High, Low24mA, 24mA
Max Propagation Delay @ V, Max CL8.5ns @ 5V, 50pF
Current - Quiescent (Iq)4µA
Operating Temperature-40°C ~ 85°C
Package / Case20-DIP (0.300", 7.62mm)
Mounting TypeThrough Hole

74AC521PC Datasheet

74AC521PC Reviews

Ainsl*****varro

April 6, 2023

I've placed many orders from Heisener . I have never had an error with any order, the order has always went out the same day, and the items are always well packaged.

Adily*****llespie

March 31, 2023

Used this on starter solenoid and works as expected.

Lilli*****Ramesh

March 31, 2023

I wanted something that would handle voltage spikes. Worked perfectly. I plan to use four more.

Syl***** Jain

March 22, 2023

Super easy to replace and labelled terminals made it a quick replacement.

Ax*****Huff

March 15, 2023

Good service, and great value for money I am pleased with the item of 74AC521PC.

Bayl*****mith

March 1, 2023

No problem in making an order and will see how the shipping goes.

Lilia*****allahan

February 27, 2023

Arrived safely. All OK. Thanks

Achi***** Knox

February 25, 2023

The order has arrived ahead of time, we appreciate it very much!! Thanks

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74AC521PC Packaging

Customized Labels
Sealing
Packing
Insepction

74AC521PC FAQ

  • 1. How to order 74AC521PC 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 74AC521PC is from the original manufacturer or authorized agents?
    We have a professional and experienced quality control team to strictly verify and test the 74AC521PC. All suppliers must pass our qualification reviews before they can publish their products including 74AC521PC on Heisener; we pay more attention to the channels and quality of 74AC521PC products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
  • 3. Are the 74AC521PC price and inventory displayed accurate?
    The price and inventory of 74AC521PC 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 74AC521PC?
    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 74AC521PC we delivered, we will accept the replacement or return of the 74AC521PC 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 74AC521PC.
    (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 74AC521PC pin diagram, 74AC521PC datasheet?
    If you need any after-sales service, please do not hesitate to contact us.

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74AC521PC Guarantees

Service Guarantee

Service Guarantees

We guarantee 100% customer satisfaction.

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

Quality Guarantee

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

74AC521PC

National Semiconductor Corporation

IC DIP 20

182
Part Number Manufacturer Description Stock

74AC521PC

D# 2156-74AC521PC-ND

Rochester Electronics LLC

IDENTITY COMPARATOR, AC SERIES,

2620
Part Number Manufacturer Description Stock

74AC521PC

Fairchild Semiconductor Corporation

In stock shipping within 2days

149
Part Number Manufacturer Description Stock

74AC521PC

Rochester Electronics LLC

OEM/CM QUOTES ONLY | NO BROKERS

3013
Part Number Manufacturer Description Stock

74AC521PC

D# NS-74AC521PC

Fairchild Semiconductor Corporation

OEM/CM ONLY

9698
Part Number Manufacturer Description Stock

74AC521PC

Fairchild Semiconductor Corporation

AC SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDIP20

19
Part Number Manufacturer Description Stock

74AC521PC

Rochester Electronics LLC

74AC521 - Identity Comparator, AC Series, 8-Bit, Inverted Output, CMOS, PDIP20

RoHS: Not Compliant
2620
Part Number Manufacturer Description Stock

74AC521PC

Fairchild Semiconductor Corporation

OEM/CM ONLY

4508

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74AC521PC

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