# I try to create a IC like CD4011 but symbole NAND doesn't existe

**URL:** <https://librepcb.discourse.group/t/i-try-to-create-a-ic-like-cd4011-but-symbole-nand-doesnt-existe/486>\
**Category:** Help\
**Created:** [August 10, 2022, 11:16am UTC](https://librepcb.discourse.group/t/i-try-to-create-a-ic-like-cd4011-but-symbole-nand-doesnt-existe/486 "2022-08-10T11:16:31Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![tarot](https://avatars.discourse-cdn.com/v4/letter/t/848f3c/32.png) [@tarot](https://librepcb.discourse.group/u/tarot)\
**Post date:** [August 10, 2022, 11:16am UTC](https://librepcb.discourse.group/t/i-try-to-create-a-ic-like-cd4011-but-symbole-nand-doesnt-existe/486/1 "2022-08-10T11:16:31Z")

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I see doc with OAP it’s clear. But it existe a procedure to create a symbole like nand gate

Sorry i newby. I found librepcb very simplest and very usefull!.

I discovert libre PCB on youtube with “FOSDEM” vidéo.

Regards,

JeanSeb

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<div class="post-metadata">

**Author:** ![tarot](https://avatars.discourse-cdn.com/v4/letter/t/848f3c/32.png) [@tarot](https://librepcb.discourse.group/u/tarot)\
**Post date:** [August 12, 2022, 1:21pm UTC](https://librepcb.discourse.group/t/i-try-to-create-a-ic-like-cd4011-but-symbole-nand-doesnt-existe/486/2 "2022-08-12T13:21:26Z")

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This doc from librepcb team work! for create compoments in librepcb.

> **[LibrePCB - Library - part creation - multipart](https://docs.google.com/document/d/1ESYMuAhKb09BlCycIgpOhbKPF7zKbq59XIJALfyTZ3I/edit#heading=h.z4ddw6t6nwjz)**
>
> Example tutorial Create a specific multipart IC - Nexperia, HEF4093BT, SO14 Content: Create a Library Create a complete library part HEF4093 Create symbols Create component Pins which are required Pin name option Gate naming using suffix...