Data sheet acquired from Harris Semiconductor. SCHSI. Features. • Select One Of Eight Data Outputs. Active Low for , Active High for • l/O Port or. NXP Semiconductors 74HCN: available from 8 distributors. Explore Integrated Circuits (ICs) on Octopart: the fastest source for datasheets, pricing. 74HCN datasheet, 74HCN pdf, 74HCN data sheet, datasheet, data sheet, pdf, NXP Semiconductors, 3-to-8 line decoder, demultiplexer; inverting.

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The reading and accuracy of the instruments may change over time.

Calibration involves comparing the read values of datasjeet measuring instrument or data recorder with the corresponding values of a reference tool that meets the reference standards. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

This is the set of voltage levels used for input and output logic values.

Logic IC’s

Or, and this is just throwing ideas out there, don’t use the 74HC and tell your “lecturer” that it’s a stupid idea to use 3 pins 4 including the chip select pin to control a pair of devices that need a total of 2 pins. You don’t need to know those as such, only the knock-on effect.


An error occurred the product could not be saved. An error occurred the shopping list s could not be be loaded. If the detected deviation is too large in relation to factory specification, adjustment of your data logger or measuring instrument will be required.

CrossRoads darasheet Nov 07, Save this product to the following list s. Unless you have specific logic level requirements that are out of the ordinary, then you don’t need to worry overmuch about them.


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. D8, when low, connects the pin to ground. OK, quick family survey: Usually the time for the calibration of your dataaheet can be handled within 5 dtasheet days.

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Can I return the calibrated item if I am not satisfied with the device itself?

Anyway – what you are missing from your code is absolutely everything to do with the 74HC You don’t “send” the binary representation to the chip. We may contact you regarding your error report for clarification.

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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. Don’t use if can be helped. Register now Forgot password. My lecturer wants to get data from two sensors at the edges of the room, he suggests using a 74HC Does it matter if I use a 74hc, 74hct, 74ac, etc.?

Looks the same to me. While I agree with the above statements, none of them actually answer the OP’s original question. Thank you for your message. We make it happen Read more about how Distrelec help drive business. Please contact our partner Intertek directly for a re-calibration of your device: The Intertek calibration service provides the assurance that your instruments perform as stated in the datasheet. What do I receive if I choose a calibrated product at Distrelec?

74HC Datasheet catalog

This is my schematic: You need to register to use this feature. Introduction In collaboration with Intertek, Distrelec is offering a calibration service for new electronic test and measurement instruments.

LS is Low-powered shottky. Arduino Stack Exchange works best with JavaScript enabled. The price for 74h138n calibration service is already included in the final price for calibrated version.