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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To drive an LED, you need to do something like this: I have recently bought this Dataasheet By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policy dwtasheet, and our Terms of Service. Thanks for you answer, and i do know that the picture is silly, i just dunno how to make schematic. I have connected the pins to 10k resistors to ground, so they can be 0 if no power is on.

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74HC03 Datasheet PDF – NXP Semiconductors

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And a LED to pin 3. Sign up using Facebook. The poor photo of your breadboard is not very helpful.

I migth be stupid, but I can’t really figure this datwsheet. Email Required, but never shown. This chip just won’t work for me. The NAND gates in this chip can only pull the output low, so you need something else to pull the datashete high assuming that you want to see it go high. The pullup resistor goes from the NAND gate output pin to the power supply voltage.

The 74HCT03 has open-drain outputs. So just to be clear, we agree that if both inputs are 1, the output will be 0.

74HC/HCT03 Quad 2-input NAND Gate

This is what the internal circuit looks like on the 74HC03 from the datasheet. I’m using a breadboard as you can see beolow, and no matter what I do, it wont work.

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This should mean that the IC is ON. I then connect the wires to pin 1 and 2.

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. You will need to add a pull-up resistor to see dqtasheet output go high. Also, please give us a proper schematic. Sign up or log in Sign up using Google. It’s a NAND gate. Post as a guest Name.

You say pullup resistor, do i have to connect it from pin 14 or? Joe Hass 7, 1 19 Spehro Pefhany k 4 The funny thing is that whenever I disconnect the wire that goes from pin 7 to ground, the LED starts to light.