74HC03 DATASHEET PDF

Product data sheet. 1. General description. The 74HC03; 74HCTO3 is a quad 2- input NAND gate with open-drain outputs. Inputs include clamp diodes that. 74HC03 Logic Gates are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for 74HC03 Logic Gates. Datasheet, 3, In Stock. 74HC03 datasheet, 74HC03 circuit, 74HC03 data sheet: PHILIPS – Quad 2-input NAND gate,alldatasheet, datasheet, Datasheet search site for Electronic.

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Sign up using Email and Password. I have connected the pins to 10k resistors to ground, so they can be 0 if no power is on. Thanks for you answer, and datashheet do know that the picture is silly, i just dunno how to make schematic.

74HC03 Datasheet PDF

Sign up using Facebook. This chip just won’t work for me. And a LED to pin 3. I have recently bought this IC: To drive an LED, you need to do something like this: Post as a guest Name.

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The pullup resistor goes from the NAND gate output pin to the power supply voltage. Dattasheet is what the internal circuit looks like on the 74HC03 from the datasheet. You say pullup resistor, do i have to connect it from pin 14 or? By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. It’s a NAND gate. I then connect the wires to pin 1 and 2.

You will need to add a pull-up resistor to see the output go high.

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I migth be stupid, but I can’t really figure this out. The funny thing is that whenever I disconnect the wire that goes from pin 7 to ground, the LED starts to light.

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. The NAND gates in this chip can only pull the output low, so you need something else to pull the output high assuming that you want to see it go high. Also, please give us a proper schematic.

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So just to be clear, we agree that if both inputs are 1, the output will be 0. I’m using a breadboard as you can see beolow, and no matter what I do, it wont work. The 74HCT03 has open-drain outputs.

74HC03 Datasheet pdf – Quad 2-input NAND gate – Philips

Sign up or log in Sign up using Google. Spehro Pefhany k 4 Home Questions Tags Users Unanswered. This should mean that the IC is ON. Email Required, but never shown. The poor photo of your breadboard is not very helpful.

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.

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