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The Intertek calibration certificates include: Share this product by email Print this page Report an error Report an error Thank you for helping us with our website!

After the order has been placed for the calibrated version, the non-calibrated device will be sent out from our warehouse to the calibration institute of Intertek Calibration service in process at Intertek Creating the certificate for end user The device will be repacked and sent directly to the end user.

Close An error occurred, your message could not be sent. The contains two separate decade 0 to 9 counters, one on each side of the chip. If the detected deviation is too large in relation to factory specification, adjustment of your data logger or measuring instrument will be required.

Counting to less than 9 can be achieved by connecting the appropriate output s to the reset input, using an AND gate if necessary. You need to register to use this feature.

Country of origin United States US. Expert technical support on hand Our expert team have over 25 years experience solving problems and providing expert advice.

The reading and accuracy of the instruments may change over time. Connecting ripple counters in a chain: In collaboration with Intertek, Distrelec is offering a calibration service for new electronic test and measurement instruments. They are ripple counters so beware that glitches may occur in any logic gate systems connected to their outputs due to the slight delay before the later counter outputs respond to a clock pulse.


An error occurred the shopping list s could not be be loaded. You will find two items appearing, one version without a calibration service item-nr. A description model and identification eg. Thank you for your message.

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74HC390 IC – Dual 4-bit Decade Ripple Counter IC (74390 IC)

Each counter is in two sections: The count advances as the clock input becomes low on the ixthis is indicated by the bar over the clock label. Can I return the calibrated item if I am not satisfied with the device itself? No track and trace will be send to the client.

The measured values detected by the calibration Calibration in a controlled environment measuring laboratory.


Our website uses cookies, from us and third parties, to personalise your experience and show you products and adverts that may be of interest to you. For normal use connect QA to clockB and connect the external clock signal to clockA. Your message has been sent. This is the usual ci behaviour of ripple counters and it means a counter output can directly drive the clock input of the next counter in a chain.

Please visit our website to 7490 instruments which can be calibrated. Article information Previous Article Number: If you wish to change your cookie settings, or learn more about cookies, click here.


For normal use connect QA to clockB to link the two sections, and connect the external clock signal to clockA. After calibration is performed, you will receive an ISO certificate from 7390, which is valid for 12 months. The measurement error is documented on a calibration certificate, which serves as proof. Register now Forgot password.

If you find a product of interest without a calibration version, our customer support will be more then helpful to clarify this topic for you. Save this product to the following list s. Integrated Circuits Integrated Circuits Topics: More about lead time.

The price for the calibration service is already i in the final icc for calibrated version. All orders for calibrated items are non-cancellable and non-returnable.

Items which are on stock will be shipped out for calibration within 24 hours. An error occurred the product could not be saved. As the product is customised to your requirements, we ix accept returns should you decide you no longer want the instrument.

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SN74LS390N – 74390 DUAL DECADE COUNTER (TP) – Texas Instruments

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