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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Home Questions Tags Users Unanswered. And a LED to pin 3. You will need to add a pull-up resistor to see the output go high.

The poor photo of your breadboard is not very helpful. The funny thing is that whenever I disconnect the wire that goes from pin datasheeg to ground, the LED starts to light. Sign up using Facebook. This is what the internal circuit looks like on the 74HC03 from the datasheet.

To drive an LED, you need to do something like this: Spehro Pefhany k 4 Sign up using Email and Password. The pullup resistor goes from the NAND gate output pin to the power supply datsheet. I’m using a breadboard as you can see beolow, and no matter what I do, it wont work. 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. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.


74HC03 Datasheet(PDF) – NXP Semiconductors

This chip just won’t work for me. I have connected the pins to 10k resistors to ground, so they can be 0 if no power is on. Joe Hass 7, 1 19 Also, please give us a proper schematic.

I have recently bought this IC: It’s a NAND gate.

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This should mean that the IC is ON. 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.

Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms datasheey serviceprivacy policy and cookie policyand datasheer your continued use of the website is subject to these policies. I migth be stupid, but I can’t really figure this out. So just to be clear, we agree that if both inputs are 1, the output will be datxsheet.

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Email Required, but never shown. Post as a guest Name. Sign up or log in Sign up using Google. The 74HCT03 has open-drain outputs. Thanks for you answer, and i do know that the picture is silly, i just dunno how to make schematic. You say pullup resistor, do i have to connect it from pin 14 or? I then connect the wires to pin 1 and 2.