This repository contains the raw data that has been collected about SkyWater's 130nm bulk process technology to help validate the fully open source, manufacturable, SK130 PDK that Google maintains.
The initial data that is available in this repository was collected under contract by CoolCAD Electronics LLC using the manufacturing test tile created by SkyWater. It is expected that more data will be added to this repository as other groups start to also collect experimental data.
The experimental data in this repository is currently stored in the .mdm file format.
Documentation about the existing proprietary test tile can be found in the docs/sky130-testtile-proprietary directory.
Google, NIST, and University of Michigan are working together to create a fully open test tile design using the OpenFASoC generator approach and open source tooling.
Documentation about the new open test tile can be found in the docs/sky130-testtile-open directory.
A description of the MDM file format can be found here.
If you have the facilities to do silicon measurement and are interested in contributing, please send Tim 'mithro' Ansell <[email protected]> an email <mailto:[email protected]> to request test tiles.
The SKY130 is a mature 180nm-130nm hybrid technology originally developed internally by Cypress Semiconductor before being spun out into SkyWater Technology and made accessible to general industry. SkyWater and Google’s collaboration is now making this technology accessible to everyone!
The SKY130 Process node technology stack consists of;
- Support for internal 1.8V with 5.0V I/Os (operable at 2.5V)
- 1 level of local interconnect
- 5 levels of metal
- Is inductor-capable
- Has high sheet rho poly resistor
- Optional MiM capacitors
- Includes SONOS shrunken cell
- Supports 10V regulated supply
- HV extended-drain NMOS and PMOS
The SKY130 Process Node is an extremely flexible offering, including many normally optional features as standard (features like the local interconnect, SONOS functionality, MiM capacitors, and more). This provides the designer with a wide range of flexibility in design choices.
The resources in this repository are released under the Apache 2.0 license.
The copyright details (which should also be found at the top of every file) are;
Copyright 2022 SkyWater PDK Authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
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