| |
| * 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 bl0 br0 bl1 br1 wl0 wl1 vdd gnd |
| ** N=11 EP=8 IP=0 FDC=16 |
| *.SEEDPROM |
| |
| * Bitcell Core |
| M0 Q wl1 bl1 gnd npd W=0.21 L=0.15 m=1 mult=1 |
| M1 gnd Q_bar Q gnd npd W=0.21 L=0.15 m=1 mult=1 |
| M2 gnd Q_bar Q gnd npd W=0.21 L=0.15 m=1 mult=1 |
| M3 bl0 wl0 Q gnd npd W=0.21 L=0.15 m=1 mult=1 |
| M4 Q_bar wl1 br1 gnd npd W=0.21 L=0.15 m=1 mult=1 |
| M5 gnd Q Q_bar gnd npd W=0.21 L=0.15 m=1 mult=1 |
| M6 gnd Q Q_bar gnd npd W=0.21 L=0.15 m=1 mult=1 |
| M7 br0 wl0 Q_bar gnd npd W=0.21 L=0.15 m=1 mult=1 |
| M8 vdd Q Q_bar vdd ppu W=0.14 L=0.15 m=1 mult=1 |
| M9 Q Q_bar vdd vdd ppu W=0.14 L=0.15 m=1 mult=1 |
| |
| * drainOnly PMOS |
| M10 Q_bar wl1 Q_bar vdd ppu W=0.14 L=0.08 m=1 mult=1 |
| M11 Q wl0 Q vdd ppu W=0.14 L=0.08 m=1 mult=1 |
| |
| * drainOnly NMOS |
| M12 bl1 gnd bl1 gnd npd W=0.21 L=0.08 m=1 mult=1 |
| M14 br1 gnd br1 gnd npd W=0.21 L=0.08 m=1 mult=1 |
| |
| .ENDS |
