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 funny thing is that whenever I disconnect the wire that goes from pin 7 to ground, the LED starts to light.

74HC03 데이터시트(PDF) – NXP Semiconductors

I have connected the pins to 10k resistors to ground, so they can be 0 if no power is on. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued 74gc03 of the website is subject to these policies. And a LED to pin 3.

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I’m using a breadboard as you can see beolow, and no matter what I do, it wont work. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that datassheet have read our updated terms of service7hc03 policy and cookie policyand that your continued use of the website is subject to these policies.

Spehro Pefhany k 4 Sign up using Facebook. I have recently bought this IC: Sign up using Email and Password. The poor photo of your breadboard is not very helpful.

74HC/HCT03 Quad 2-input NAND Gate

You will need to add a pull-up resistor to see the output go high. I migth be stupid, but I can’t really figure this out. Sign up or log in Sign up using Google. Also, please give us a proper schematic. This should mean that the IC is ON. 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. This chip just won’t work for me.

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I then connect the wires to pin 1 and 2. Thanks for you answer, and i do know that the picture is silly, i just dunno how to make schematic. This is what the internal circuit looks like on the 74HC03 from the datasheet.

You say pullup resistor, do i have to connect it from pin 14 or? Home Questions Tags Users Unanswered.

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Email Required, 74gc03 never shown. To drive an LED, you need to do something like this: Joe Hass 7, 1 19 The 74HCT03 has open-drain outputs.

datashedt The pullup resistor goes from the NAND gate output pin to the power supply voltage. It’s a NAND gate. So just to be clear, we agree that if both inputs are 1, the output will be 0. Post as a guest Name.