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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Email Required, but never shown. You say pullup resistor, do i have to connect it from pin 14 or? I’m using a breadboard as you can see beolow, and no matter what I do, it wont work.

Also, please give us a proper schematic.

74HC03 Datasheet(PDF) – NXP Semiconductors

I migth be stupid, but I can’t really figure this out. I have recently bought this IC: Joe Hass 7, 1 19 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. I then connect the wires to pin 1 and 2. Home Questions Tags Users Unanswered. Sign up using Facebook.

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This should mean that the IC is ON.

The Datasheey 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.

Post Your Answer Discard By datasjeet “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 chip just won’t work for me.

74HC/HCT03 Quad 2-input NAND Gate

Thanks for you answer, and i do know that the picture is silly, i just dunno dtasheet to make schematic. Sign up or log in Sign up using Google.

You will need to add a pull-up resistor to see the output go high. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

To drive an LED, you need to do something like this: It’s a NAND gate. Post as a guest Name.

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The 74HCT03 has open-drain outputs. So just to be clear, we agree that if both inputs are 1, the output will be 0. This datashedt what the internal circuit looks like on the 74HC03 from the datasheet.

The poor photo of your breadboard is not very helpful. And a LED to pin 3. I have connected the pins to 10k resistors to ground, so they can be 0 if no power is on.

The funny thing is that whenever I disconnect the wire that goes from pin 7 to ground, the LED starts to light. Spehro Pefhany k 4 Sign up using Email and Password. The pullup resistor goes from the NAND gate output pin to the power supply voltage.