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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The poor photo of your breadboard is not very helpful. I have connected the pins to 10k resistors to ground, so they can be 0 if no power is on. 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.

It’s a NAND gate. The 74HCT03 has open-drain outputs.

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74HC03 Datasheet, PDF – Qdatasheet

Sign up using Facebook. To drive an Datasueet, you need to do something like this: Also, please give us a proper schematic. The pullup resistor goes from the NAND gate output pin to the power supply voltage.

And datzsheet LED to pin 3. Sign up using Email and Password. 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.

I’m using a breadboard as you can see beolow, and no matter what I do, it wont work. You say pullup resistor, do i have to connect it from pin 14 or?

74HC/HCT03 Quad 2-input NAND Gate

Spehro Pefhany k 4 Email Required, but never shown. You will need to add a pull-up resistor to see the output go high. This is what the internal circuit looks like on the 74HC03 from the datasheet. This should mean that the IC is ON. Post as a guest Name. I have recently bought this IC: I migth be stupid, but I can’t really figure this out. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms 74hc30 serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

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So just to be clear, we agree that if both inputs are 1, the output will be 0. I then connect the wires to pin 1 and 2. The funny thing is that whenever I disconnect the wire that goes from pin 7 to ground, the LED starts to light. Datasheer chip just won’t work for me. Thanks for you answer, and i do know that the picture is silly, i just dunno how to make schematic. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.