標題: Resistor value in the "tsmc13rf PDK" regarding auCdl parameter [打印本頁] 作者: deepbluesea 時間: 2009-8-18 05:53 AM 標題: Resistor value in the "tsmc13rf PDK" regarding auCdl parameter The resistor value of "CDL out" netlist is not the real value * W4 P! k/ V4 d0 [
when I use TSMC 0.13rf PDK * e6 \9 w' h$ t . e( d+ ?" `* q! {$ [7 zI use tsmc13rf PDK. 3 D2 q7 G/ P5 X# \1 S& @+ {/ [& D5 gWhen I CDL out from CIW window, the output value for the resistor as below:2 Z# [4 F! n: y% C1 D+ N9 i' U
RR1 res_in res_out 15.34 $[PS] M=1 9 P( R9 x; Z8 M: p PBut the real value is 14.8213 shows on the schematic. & A% n8 @( i1 W! X( K3 Y1 {7 r- G; RWhy on the auCdl CDF parameter they choose the simple value to be output on the netlist? 0 c; k" D$ e4 E& }5 f$ N1 [We want to see the real value, this will comfuse people when they doing verification. 9 y! P7 n. o% p5 ?I can't turn on the "Accuracy" switches when I run Assura lvs.9 e' K6 X( G. m/ K3 s. h
I still pass LVS, but I am just curious why they do that on the CDF parameter. % ~5 y5 N" l9 {/ F2 n2 L$ kAnyone in the TSMC or others can explain why?
