.SUBCKT write_driver din bl br wen vdd gnd
*inverters for enable and data input
minP bl_bar din vdd vdd pmos_vtg w=360.000000n l=50.000000n
minN bl_bar din gnd gnd nmos_vtg w=180.000000n l=50.000000n
moutP wen_bar wen vdd vdd pmos_vtg w=360.000000n l=50.000000n
moutN wen_bar wen gnd gnd nmos_vtg w=180.000000n l=50.000000n

*tristate for BL
mout0P int1 bl_bar vdd vdd pmos_vtg w=360.000000n l=50.000000n
mout0P2 bl wen_bar int1 vdd pmos_vtg w=360.000000n l=50.000000n
mout0N bl wen int2 gnd nmos_vtg w=180.000000n l=50.000000n
mout0N2 int2 bl_bar gnd gnd nmos_vtg w=180.000000n l=50.000000n

*tristate for BR
mout1P int3 din vdd vdd pmos_vtg w=360.000000n l=50.000000n
mout1P2 br wen_bar int3 vdd pmos_vtg w=360.000000n l=50.000000n
mout1N br wen int4 gnd nmos_vtg w=180.000000n l=50.000000n
mout1N2 int4 din gnd gnd nmos_vtg w=180.000000n l=50.000000n
.ENDS write_driver