| |
| * Copyright 2020 The 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 |
| * |
| * https://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. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| |
| |
| .SUBCKT sky130_fd_bd_sram__openram_cell_1rw_1r_dummy bl0 br0 bl1 br1 wl0 wl1 vdd gnd |
| ** N=14 EP=6 IP=0 FDC=16 |
| *.SEEDPROM |
| |
| * Bitcell Core |
| M1 1 gnd gnd gnd npd W=0.21 L=0.15 m=1 mult=1 |
| M2 1 wl1 bl1 gnd npd W=0.21 L=0.15 m=1 mult=1 |
| M3 2 gnd gnd gnd npd W=0.21 L=0.15 m=1 mult=1 |
| M4 2 wl1 br1 gnd npd W=0.21 L=0.15 m=1 mult=1 |
| M5 3 gnd gnd gnd npd W=0.21 L=0.15 m=1 mult=1 |
| M6 3 wl0 bl0 gnd npd W=0.21 L=0.15 m=1 mult=1 |
| M7 4 gnd gnd gnd npd W=0.21 L=0.15 m=1 mult=1 |
| M8 4 wl0 br0 gnd npd W=0.21 L=0.15 m=1 mult=1 |
| |
| * drainOnly NMOS |
| M9 bl1 gnd bl1 gnd npd W=0.21 L=0.08 m=1 mult=1 |
| M10 br1 gnd br1 gnd npd W=0.21 L=0.08 m=1 mult=1 |
| |
| .ENDS |