diff --git a/lib/scn4m_subm/Makefile b/lib/scn4m_subm/Makefile
new file mode 100644
index 00000000..f833836a
--- /dev/null
+++ b/lib/scn4m_subm/Makefile
@@ -0,0 +1,33 @@
+CUR_DIR = $(shell pwd)
+TEST_DIR = ${CUR_DIR}/tests
+
+#MAKEFLAGS += -j 2
+
+CONFIG_DIR = configs
+OUT_DIRS = sp lib lef gds  verilog
+$(shell   mkdir -p $(OUT_DIRS))
+
+SRCS=$(wildcard $(CONFIG_DIR)/*.py)
+SPICES=$(SRCS:.py=.sp)
+all : $(SPICES) 
+
+OPTS = 
+# Characterize and perform DRC/LVS
+#OPTS = -c 
+# Do not characterize or perform DRC/LVS
+#OPTS += -n
+# Verbosity
+OPTS += -v
+%.sp : %.py
+	$(eval bname=$(basename $(notdir $<)))
+	openram.py $(OPTS) $< 2>&1 > $(bname).log
+	mv $(bname).lef lef
+	mv $(bname).v verilog
+	mv $(bname).sp sp
+	mv $(bname).gds gds
+	mv $(bname)*.lib lib
+
+clean:
+	rm -f *.log configs/*.pyc *~ *.gds *.lib *.sp *.v *.lef
+	rm -f gds/* lef/* lib/* sp/* verilog/*
+
diff --git a/lib/scn4m_subm/configs/sram_1rw_128b_1024w_scn4m_subm.py b/lib/scn4m_subm/configs/sram_1rw_128b_1024w_scn4m_subm.py
new file mode 100644
index 00000000..d30070a3
--- /dev/null
+++ b/lib/scn4m_subm/configs/sram_1rw_128b_1024w_scn4m_subm.py
@@ -0,0 +1,7 @@
+word_size = 128
+num_words = 1024
+
+tech_name = "scn4m_subm"
+process_corners = ["TT"]
+supply_voltages = [ 5.0 ]
+temperatures = [ 25 ]
diff --git a/lib/scn4m_subm/configs/sram_1rw_32b_1024w_scn4m_subm.py b/lib/scn4m_subm/configs/sram_1rw_32b_1024w_scn4m_subm.py
new file mode 100644
index 00000000..9921c3b6
--- /dev/null
+++ b/lib/scn4m_subm/configs/sram_1rw_32b_1024w_scn4m_subm.py
@@ -0,0 +1,7 @@
+word_size = 32
+num_words = 1024
+
+tech_name = "scn4m_subm"
+process_corners = ["TT"]
+supply_voltages = [ 5.0 ]
+temperatures = [ 25 ]
diff --git a/lib/scn4m_subm/configs/sram_1rw_32b_2048w_scn4m_subm.py b/lib/scn4m_subm/configs/sram_1rw_32b_2048w_scn4m_subm.py
new file mode 100644
index 00000000..6e9c1148
--- /dev/null
+++ b/lib/scn4m_subm/configs/sram_1rw_32b_2048w_scn4m_subm.py
@@ -0,0 +1,7 @@
+word_size = 32
+num_words = 2048
+
+tech_name = "scn4m_subm"
+process_corners = ["TT"]
+supply_voltages = [ 5.0 ]
+temperatures = [ 25 ]
diff --git a/lib/scn4m_subm/configs/sram_1rw_32b_256w_scn4m_subm.py b/lib/scn4m_subm/configs/sram_1rw_32b_256w_scn4m_subm.py
new file mode 100644
index 00000000..7453f3ef
--- /dev/null
+++ b/lib/scn4m_subm/configs/sram_1rw_32b_256w_scn4m_subm.py
@@ -0,0 +1,7 @@
+word_size = 32
+num_words = 256
+
+tech_name = "scn4m_subm"
+process_corners = ["TT"]
+supply_voltages = [ 5.0 ]
+temperatures = [ 25 ]
diff --git a/lib/scn4m_subm/configs/sram_1rw_32b_512w_scn4m_subm.py b/lib/scn4m_subm/configs/sram_1rw_32b_512w_scn4m_subm.py
new file mode 100644
index 00000000..bae1f0d9
--- /dev/null
+++ b/lib/scn4m_subm/configs/sram_1rw_32b_512w_scn4m_subm.py
@@ -0,0 +1,7 @@
+word_size = 32
+num_words = 512
+
+tech_name = "scn4m_subm"
+process_corners = ["TT"]
+supply_voltages = [ 5.0 ]
+temperatures = [ 25 ]
diff --git a/lib/scn4m_subm/configs/sram_1rw_64b_1024w_scn4m_subm.py b/lib/scn4m_subm/configs/sram_1rw_64b_1024w_scn4m_subm.py
new file mode 100644
index 00000000..56d7351b
--- /dev/null
+++ b/lib/scn4m_subm/configs/sram_1rw_64b_1024w_scn4m_subm.py
@@ -0,0 +1,7 @@
+word_size = 64
+num_words = 1024
+
+tech_name = "scn4m_subm"
+process_corners = ["TT"]
+supply_voltages = [ 5.0 ]
+temperatures = [ 25 ]
diff --git a/lib/scn4m_subm/configs/sram_1rw_8b_1024w_scn4m_subm.py b/lib/scn4m_subm/configs/sram_1rw_8b_1024w_scn4m_subm.py
new file mode 100644
index 00000000..be7f6f48
--- /dev/null
+++ b/lib/scn4m_subm/configs/sram_1rw_8b_1024w_scn4m_subm.py
@@ -0,0 +1,7 @@
+word_size = 8
+num_words = 1024
+
+tech_name = "scn4m_subm"
+process_corners = ["TT"]
+supply_voltages = [ 5.0 ]
+temperatures = [ 25 ]
diff --git a/lib/scn4m_subm/configs/sram_1rw_8b_256w_scn4m_subm.py b/lib/scn4m_subm/configs/sram_1rw_8b_256w_scn4m_subm.py
new file mode 100644
index 00000000..e0396dda
--- /dev/null
+++ b/lib/scn4m_subm/configs/sram_1rw_8b_256w_scn4m_subm.py
@@ -0,0 +1,7 @@
+word_size = 8
+num_words = 256
+
+tech_name = "scn4m_subm"
+process_corners = ["TT"]
+supply_voltages = [ 5.0 ]
+temperatures = [ 25 ]
diff --git a/lib/scn4m_subm/configs/sram_1rw_8b_512w_scn4m_subm.py b/lib/scn4m_subm/configs/sram_1rw_8b_512w_scn4m_subm.py
new file mode 100644
index 00000000..016bde7b
--- /dev/null
+++ b/lib/scn4m_subm/configs/sram_1rw_8b_512w_scn4m_subm.py
@@ -0,0 +1,7 @@
+word_size = 8
+num_words = 512
+
+tech_name = "scn4m_subm"
+process_corners = ["TT"]
+supply_voltages = [ 5.0 ]
+temperatures = [ 25 ]