[SI-LIST] Re: [SI-LIST]Re:[SI-LIST]Re:HowV-TtablebeenextractedforIBISmodel
- From: ZHENGZHIWEI <zhiweizh@xxxxxxx>
- To: weirsi@xxxxxxxxxx
- Date: Mon, 16 May 2011 10:59:23 +0800 (CST)
Hello all,
From reply, seems one VT table account for only one of Pullup and Pulldown
transistor terminated to one of rails. And simulator tools will merge
affections.
For a falling waveform of VT table terminated to VCC, only account for
Pulldown transistor turning on. No Pullup transistor affection included in
this table, althrough there may have current flow from VCC through Pullup
andPulldown transistors to ground. The simulation tool will calculate this
part of current from other VT tables(is it the falling wavefrom of VT table
that terminated to ground? the timing relativeship between them decide how
tocaculate).
Am I right?
thanks!
zhiwei
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