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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Home Questions Tags Users Unanswered. This is what the internal circuit looks like on the 74HC03 from the datasheet. Spehro Pefhany k 4 By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

This chip just won’t work for me.

The poor datasheeg of your breadboard is not very helpful. So just to be clear, we agree that if both inputs are 1, the output will be 0. I have connected the pins to 10k resistors to ground, so they can be 0 if no power is on. Sign up using Facebook. And a LED to pin 3. Post as a guest Name. Sign up or log in Sign up using Google.

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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. Thanks for you answer, and i do know that the picture is silly, i just dunno how to make schematic. 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.

74HC03 datasheet, Pinout ,application circuits 74HC/HCT03 Quad 2-input NAND Gate

You say datasehet resistor, do i have to connect it from pin 14 or? I migth be stupid, but I can’t really figure this out. This should mean that the IC is ON. The funny thing is that whenever I disconnect the wire that goes from pin 7 to ground, the LED starts to light.

I’m using a breadboard as you can datasheeet beolow, and no matter what I do, it wont work. To drive an LED, you need to do something like this: The pullup resistor goes from the NAND gate output pin to the power supply voltage. The 74HCT03 has open-drain outputs. Email Required, but never shown. I then connect the wires to pin 1 and 2. I have recently bought this 74hc30 Joe Hass 7, 1 19 Also, please give us a proper schematic.

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