Pad Cell Generator - Revision history

Leviathan: /* Types of Pad Cells */

2026-08-10T12:47:18Z

Types of Pad Cells

← Older revision		Revision as of 12:47, 10 August 2026
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	== Types of Pad Cells ==		== Types of Pad Cells ==
	There is the basic ~~IO pad cell~~ type, as well as the power pad cell.		There is the basic [[Pad Cell]] type, as well as the power pad cell.

	There is also a very special impedance compensated pad cell in the works ([[High-Speed Impedance-Compensated Pad Cell]]) which is needed in order to hook up DDR4 RAM to our chips or build a PCIe device.		There is also a very special impedance compensated pad cell in the works ([[High-Speed Impedance-Compensated Pad Cell]]) which is needed in order to hook up DDR4 RAM to our chips or build a PCIe device.

Leviathan: /* How to use */

2026-08-10T12:35:45Z

How to use

← Older revision		Revision as of 12:35, 10 August 2026
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	Please look at our reference technology folders like the design rule constraints and parameters, for which we introduced a somewhat standardized format with the advent of our [[Danube River]] test wafer generator.		Please look at our reference technology folders like the design rule constraints and parameters, for which we introduced a somewhat standardized format with the advent of our [[Danube River]] test wafer generator.

	~~== How to use ==~~
	~~The Pad Cell Generator is part of [[LibrePDK]]~~

	~~Running the following script within the LibrePDK folder, after following the installation instructions...<syntaxhighlight lang="bash">~~
	~~uv run librepdk_padframe_generator -i tests/padframes/padframe_sg13g2_1v2.json~~
	~~</syntaxhighlight>You should end up with a set of pad cells dimensioned for 20mA, 30mA, 40mA and 60mA driver strength, plus a demo assembly which looks somewhat like this (still work in progress)~~
	~~[[File:Pad Frame v2 Example SG13G2@1V2.png\|none\|thumb]]~~

	== Electrical Discharge Protection ==		== Electrical Discharge Protection ==

Leviathan at 12:35, 10 August 2026

2026-08-10T12:35:29Z

← Older revision		Revision as of 12:35, 10 August 2026
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	[[File:30mA SG13G2@1V2 v2.png\|thumb\|'''Example 30mA SG13G2@1V2 (version 2)''']]		[[File:30mA SG13G2@1V2 v2.png\|thumb\|'''Example 30mA SG13G2@1V2 (version 2)''']]
	The LibreSilicon Pad Cell Generator is an extension of the [[LibrePDK]] which besides the driver logic also dynamically generates the mixed signal parts needed for over current and static discharge protection and providing the currents needed for doing useful things with an actual physical chip, like driving an LED or a small motor.		The LibreSilicon Pad Cell Generator is an extension of the [[LibrePDK]] and part of the [[Pad Frame Generator]] which besides the driver logic also dynamically generates the mixed signal parts needed for over current and static discharge protection and providing the currents needed for doing useful things with an actual physical chip, like driving an LED or a small motor.

	[[High-Speed Impedance-Compensated Pad Cell]]		== Types of Pad Cells ==
			There is the basic IO pad cell type, as well as the power pad cell.

			There is also a very special impedance compensated pad cell in the works ([[High-Speed Impedance-Compensated Pad Cell]]) which is needed in order to hook up DDR4 RAM to our chips or build a PCIe device.

	== Existing Groundwork ==		== Existing Groundwork ==

Leviathan at 11:58, 10 August 2026

2026-08-10T11:58:15Z

← Older revision		Revision as of 11:58, 10 August 2026
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	[[File:30mA SG13G2@1V2 v2.png\|thumb\|'''Example 30mA SG13G2@1V2 (version 2)''']]		[[File:30mA SG13G2@1V2 v2.png\|thumb\|'''Example 30mA SG13G2@1V2 (version 2)''']]
	The LibreSilicon Pad Cell Generator is an extension of the [[LibrePDK]] which besides the driver logic also dynamically generates the mixed signal parts needed for over current and static discharge protection and providing the currents needed for doing useful things with an actual physical chip, like driving an LED or a small motor.		The LibreSilicon Pad Cell Generator is an extension of the [[LibrePDK]] which besides the driver logic also dynamically generates the mixed signal parts needed for over current and static discharge protection and providing the currents needed for doing useful things with an actual physical chip, like driving an LED or a small motor.

			[[High-Speed Impedance-Compensated Pad Cell]]

	== Existing Groundwork ==		== Existing Groundwork ==

Leviathan: /* How to use */

2026-05-29T09:41:07Z

How to use

← Older revision		Revision as of 09:41, 29 May 2026
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	Running the following script within the LibrePDK folder, after following the installation instructions...<syntaxhighlight lang="bash">		Running the following script within the LibrePDK folder, after following the installation instructions...<syntaxhighlight lang="bash">
	~~#!/bin/bash~~		uv run librepdk_padframe_generator -i tests/padframes/padframe_sg13g2_1v2.json
	~~TECH=SG13G2~~
	~~VOLTAGE=1.2~~
	~~mkdir -p ihp_pads~~
	~~pushd ihp_pads~~
	uv run ~~librepdk_padcell_generator -t $TECH -v $VOLTAGE~~ -i ~~20,30,40,60~~
	~~popd~~
	</syntaxhighlight>You should end up with a set of pad cells dimensioned for 20mA, 30mA, 40mA and 60mA driver strength, plus a demo assembly which looks somewhat like this (still work in progress)		</syntaxhighlight>You should end up with a set of pad cells dimensioned for 20mA, 30mA, 40mA and 60mA driver strength, plus a demo assembly which looks somewhat like this (still work in progress)
	[[File:~~Preliminary First~~ Pad Frame ~~generated~~.png\|none\|thumb]]		[[File:Pad Frame v2 Example SG13G2@1V2.png\|none\|thumb]]

	== Electrical Discharge Protection ==		== Electrical Discharge Protection ==

Leviathan at 09:39, 29 May 2026

2026-05-29T09:39:11Z

← Older revision		Revision as of 09:39, 29 May 2026
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	[[File:~~Io cell 20mA~~@~~1.2V~~.png\|thumb\|~~20mA Pad Cell for IHP~~'s SG13G2@~~1.2V~~]]		[[File:30mA SG13G2@1V2 v2.png\|thumb\|'''Example 30mA SG13G2@1V2 (version 2)''']]
	The LibreSilicon Pad Cell Generator is an extension of the [[LibrePDK]] which besides the driver logic also dynamically generates the mixed signal parts needed for over current and static discharge protection and providing the currents needed for doing useful things with an actual physical chip, like driving an LED or a small motor.		The LibreSilicon Pad Cell Generator is an extension of the [[LibrePDK]] which besides the driver logic also dynamically generates the mixed signal parts needed for over current and static discharge protection and providing the currents needed for doing useful things with an actual physical chip, like driving an LED or a small motor.

Leviathan at 16:17, 28 May 2026

2026-05-28T16:17:06Z

← Older revision		Revision as of 16:17, 28 May 2026
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	[[File:Io cell 20mA@1.2V.png\|thumb\|~~Io cell~~ 20mA@1.2V]]		[[File:Io cell 20mA@1.2V.png\|thumb\|20mA Pad Cell for IHP's SG13G2@1.2V]]
	The LibreSilicon Pad Cell Generator is an extension of the [[LibrePDK]] which besides the driver logic also dynamically generates the mixed signal parts needed for over current and static discharge protection and providing the currents needed for doing useful things with an actual physical chip, like driving an LED or a small motor.		The LibreSilicon Pad Cell Generator is an extension of the [[LibrePDK]] which besides the driver logic also dynamically generates the mixed signal parts needed for over current and static discharge protection and providing the currents needed for doing useful things with an actual physical chip, like driving an LED or a small motor.

Leviathan at 16:15, 28 May 2026

2026-05-28T16:15:58Z

← Older revision		Revision as of 16:15, 28 May 2026
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			[[File:Io cell 20mA@1.2V.png\|thumb\|Io cell 20mA@1.2V]]
	The LibreSilicon Pad Cell Generator is an extension of the [[LibrePDK]] which besides the driver logic also dynamically generates the mixed signal parts needed for over current and static discharge protection and providing the currents needed for doing useful things with an actual physical chip, like driving an LED or a small motor.		The LibreSilicon Pad Cell Generator is an extension of the [[LibrePDK]] which besides the driver logic also dynamically generates the mixed signal parts needed for over current and static discharge protection and providing the currents needed for doing useful things with an actual physical chip, like driving an LED or a small motor.

	~~<blockquote></blockquote>~~

	== Existing Groundwork ==		== Existing Groundwork ==

Leviathan at 16:15, 28 May 2026

2026-05-28T16:15:33Z

← Older revision		Revision as of 16:15, 28 May 2026
Line 1:		Line 1:
	The LibreSilicon Pad Cell Generator is an extension of the [[LibrePDK]] which besides the driver logic also dynamically generates the mixed signal parts needed for over current and static discharge protection and providing the currents needed for doing useful things with an actual physical chip, like driving an LED or a small motor.		The LibreSilicon Pad Cell Generator is an extension of the [[LibrePDK]] which besides the driver logic also dynamically generates the mixed signal parts needed for over current and static discharge protection and providing the currents needed for doing useful things with an actual physical chip, like driving an LED or a small motor.
	~~[[File:Preliminary First Pad Frame generated.png\|thumb\|First Version of a Padframe of IHP's SG13G2 generated by LibrePDK (Still needs some work)]]~~
	<blockquote></blockquote>		<blockquote></blockquote>

Leviathan: /* Configuration */

2026-05-26T02:33:13Z

Configuration

← Older revision		Revision as of 02:33, 26 May 2026
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	Please look at our reference technology folders like the design rule constraints and parameters, for which we introduced a somewhat standardized format with the advent of our [[Danube River]] test wafer generator.		Please look at our reference technology folders like the design rule constraints and parameters, for which we introduced a somewhat standardized format with the advent of our [[Danube River]] test wafer generator.

	~~https://github.com/thesourcerer8/StdCellLib/tree/master/Tech.GF180MCU~~

	== How to use ==		== How to use ==