padreal G 
padreal C
padline C
padall C
pck_sp C
pi_sp C
po_sp C
pvddck2_sp C
pvssck2_sp C
ck_buf C
i_buf C
pbuf_c C
pbuf_e C
supplyck_buf C
vssck_con C
vddck_con C
corner_sp C
cornar_sp C