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  • HCF4021B
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HCF4021B

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ASYNCHRONOUS PARALLEL IN OR SYNCHRONOUS SERIAL IN/SERIAL OUT 8 - STAGE STATIC SHIFT REGISTER

  • Package/Case :
  • SOP16
  • Product Categories :
  • Automotive Logic ICs ; FlipFlop;registers
  • RoHs Status:
  • Lead free/RoHS Compliant
  • In-stock:
  • 278

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HCF4021B Product Details

The HCF4021B is a monolithic integrated circuit fabricated in metal oxide semiconductor technology available in PDIP-16 and SO-16 packages.

This device is an 8-stage parallel or serial-input/serial-output register having common clock and parallel/serial control inputs, a single serial data input, and individual parallel "jam" inputs to each register stage. Each register stage is a D-type, master-slave flip-flop in addition to an output from stage 8. "Q" outputs are also available from stages 6 and 7. Serial entry is synchronous with the clock but parallel entry is asynchronous.
In this device, entry is controlled by the parallel/serial control input. When the parallel/serial control input is low, data are serially shifted into the 8-stage register synchronously with the positive transition of the clock line. When the parallel/serial control input is high, data are jammed into the 8-stage register via the parallel input lines and synchronous with the positive transition of the clock line. The clock input of the internal stage is “forced” when asynchronous parallel entry is made. Register expansion using multiple packages is permitted.

Feature

  • CDM: 1 kV
  • HBM: 2 kV
  • MM: 200 V

Technical Parameters

  • Supply Voltage (V) min
  • 3
  • Supply Voltage (V) max
  • 20
  • Vi Range
  • 0 to Vcc
  • Operating Temperature (°C) min
  • -40
  • Operating Temperature (°C) max
  • 125

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Estimated Delivery Time: Aug 23 - Aug 28 days (choose Expedited at checkout).

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  • 7-30 days

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We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.

Packing

  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing

Guarantees

1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

FAQ:

Q: How does Jotrin guarantee that HCF4021B is the original manufacturer or agent of ST?
We have a professional business development department to strictly test and verify the qualifications of ST original manufacturers and agents. All ST suppliers must pass the qualification review before they can publish their HCF4021B devices; we pay more attention to the channels and quality of HCF4021B products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of HCF4021B chips? Including ST original factory information, Automotive Logic ICs ; FlipFlop;registers application, HCF4021B pictures?
You can use Jotrin's intelligent search engine, or filter by Automotive Logic ICs ; FlipFlop;registers category, or find it through STMicroelectronics, Inc Information page.
Q: Are the ST's HCF4021B price and stock displayed on the platform accurate?
The ST's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for HCF4021B, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of HCF4021B?
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 HCF4021B we delivered, we will accept the replacement or return of the HCF4021B 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 HCF4021B.
(3)The HCF4021B 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
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as HCF4021B datasheet pdf, HCF4021 pin diagram?
Need any After-Sales service, please feel free contact us: sales@jotrin.com

STMicroelectronics, Inc

ST
ST Microelectronics is a global independent semiconductor company and a leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications, and that designs, develops, manufactures and markets a broad spectrum of products....
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