diff --git a/tech/sky130_fd_sc_hs.tlef b/tech/sky130_fd_sc_hs.tlef
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+# 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
+
+VERSION 5.6 ;
+
+BUSBITCHARS "[]" ;
+DIVIDERCHAR "/" ;
+
+UNITS
+  TIME NANOSECONDS 1 ;
+  CAPACITANCE PICOFARADS 1 ;
+  RESISTANCE OHMS 1 ;
+  DATABASE MICRONS 1000 ;
+END UNITS
+
+MANUFACTURINGGRID 0.005 ;
+
+# Standard density, single height
+SITE unit
+  SYMMETRY y ;
+  CLASS CORE ;
+  SIZE  0.480 BY 3.330 ;
+END unit
+
+# Standard density, double height
+SITE unitdbl
+  SYMMETRY y ;
+  CLASS CORE ;
+  SIZE  0.480 BY 6.660 ;
+END unit