Clock column buffer

TODO: document

GCLKH

GCLKH:BUF.OUT_B0 0.3.0
GCLKH:BUF.OUT_B1 0.5.0
GCLKH:BUF.OUT_B2 0.7.0
GCLKH:BUF.OUT_B3 0.9.0
GCLKH:BUF.OUT_B4 0.11.0
GCLKH:BUF.OUT_B5 0.13.0
GCLKH:BUF.OUT_B6 0.15.0
GCLKH:BUF.OUT_B7 0.17.0
GCLKH:BUF.OUT_T0 0.0.0
GCLKH:BUF.OUT_T1 0.4.0
GCLKH:BUF.OUT_T2 0.6.0
GCLKH:BUF.OUT_T3 0.8.0
GCLKH:BUF.OUT_T4 0.10.0
GCLKH:BUF.OUT_T5 0.12.0
GCLKH:BUF.OUT_T6 0.14.0
GCLKH:BUF.OUT_T7 0.16.0
non-inverted [0]