AR# 121

XC3000/XC4000: Pin sense of internal tristate buffers

Solution

For any of the tbufs in the 3000 and 4000 devices, the T pin is

active high, meaning the tbuf output is tristated if the T pin

is driven high, and the tbuf input appears on the output if the

T pin is driven low.

AR# 121
Date 12/19/2009
Status Archive
Type General Article