> Hi,
>
> Is anyone looking into my question which is described below?
>
>
> Thanks!
>
> Sandra
>
> This is a multi-part message in MIME format.
>
> --------------404E71479D4
> Content-Type: text/plain; charset=us-ascii
> Content-Transfer-Encoding: 7bit
>
> To whom it may concern:
>
> My question is how to create an .s2i file for a bidirectional tristate
> device connected like this. The input (IN) is connected to GND within
> the chip, the CIN is directed into the chip and is not accessible to me.
> The OUT is the output pin and it is the only one that is accessible to
> me. The OEN line is the output enable which is also internal to the chip
> hence not accessible and it is active low. Hence, the OEN is the only
> signal that can cause a transition at the output pin. I need also need
> the .s2i file to generate an rising and falling curve. I have attached
> the hspice file.
>
>
>
>
> /|
> CIN____/ |____
> \ | |
> \| |
> |
> |\ |
> IN ____| \_____|_____ OUT
> | | /
> ---- |/o
> -- |
> |
> |
> OEN
>
>
>
> Pleae reply to laplan@tellabs.com
>
> --------------404E71479D4
> Content-Type: text/plain; charset=us-ascii; name="fsel.sp"
> Content-Transfer-Encoding: 7bit
> Content-Disposition: inline; filename="fsel.sp"
>
> * Subcircuit pc3b05 PAD I OEN CIN
> *.SUBCKT pc3b05 PAD I OEN CIN
>
> .LIB '/home/tellabf/vlsitool/vlsi_tech_libraries/hspice_vcmn4/vcmn4.lib' TY
> .INCLUDE '/home/tellabf/vlsitool/vlsi_tech_libraries/hspice_vcmn4/vcmn4.inc'
>
> M1 U15_U12_U6_drain U15_oenb VDD VDD P L=.40U
> + W=12.00U
> M2 U15_oenb OEN VDD VDD P L=.40U W=12.00U
> M3 U15_U12_U6_drain U15_oenb VSS VSS N L=.40U W=9.60U
> M4 U15_U12_U7_drain U15_oenb U15_U12_U6_drain VSS N L=.40U
> + W=9.60U
> M5 U15_bulkdriver VDD U15_U12_U7_drain VSS N L=.40U
> + W=9.60U
> M6 U15_bulkdriver U15_U12_U6_drain U15_U12_U10_sour VSS N
> + L=.40U W=9.60U
> M7 U15_U12_U10_sour U26_padinv U15_oenb VSS N L=.40U
> + W=9.60U
> M8 U15_oenb OEN VSS VSS N L=.40U W=9.60U
> M9 U15_n_gate I VSS VSS N L=.40U W=19.20U
> M10 U15_p_gate U15_oenb U15_n_gate VSS N L=.40U W=19.20U
> M11 U15_p_gate I VDD VDD P L=.40U W=24.00U
> M12 U15_n_gate OEN U15_p_gate VDD P L=.40U W=24.00U
> M13 U15_n_gate OEN VSS VSS N L=.40U W=9.60U
> M14 U15_p_gate U15_oenb VDD VDD P L=.40U W=12.00U
> M15 U18_pad5vtol VDD PAD VSS N L=1.00U W=49.95U
> M16 U18_floatbulk U15_bulkdriver VDD U18_floatbulk P L=.50U
> + W=40.00U
> M17 U15_bulkdriver VDD PAD U18_floatbulk P L=.50U
> + W=10.00U
> M18 U16_pfb VDD PAD U18_floatbulk P L=.50U W=10.00U
> M19 U17_nbw VSS VSS VSS N L=.40U W=48.00U
> M20 U17_nfb U18_pad5vtol U17_nbw VSS N L=.40U W=48.00U
> M21 U17_nfb VSS VDD VDD P L=.40U W=6.00U
> M22 U26_padinv U18_pad5vtol VDD VDD P L=.40U W=24.00U
> M23 U18_pad5vtol U26_padinv VDD VDD P L=.50U W=.90U
> M24 CIN U26_padinv VDD VDD P L=.40U W=36.00U
> M25 U26_padinv U18_pad5vtol VSS VSS N L=.40U W=9.60U
> M26 CIN U26_padinv VSS VSS N L=.40U W=19.20U
> M27 U16_pfb PAD U16_M72$5_source U18_floatbulk P L=.50U
> + W=10.00U
> M28 U16_pfb PAD U16_M72$4_source U18_floatbulk P L=.50U
> + W=10.00U
> M29 U16_pfb PAD U16_M72$3_source U18_floatbulk P L=.50U
> + W=10.00U
> M30 U16_pfb PAD U16_M72$2_source U18_floatbulk P L=.50U
> + W=10.00U
> M31 U16_pfb PAD U16_M72$1_source U18_floatbulk P L=.50U
> + W=10.00U
> M32 U16_pfb PAD U16_M72$0_source U18_floatbulk P L=.50U
> + W=10.00U
> M33 U16_M72$5_source VDD VDD U18_floatbulk P L=.50U
> + W=10.00U
> M34 U16_M72$4_source VDD VDD U18_floatbulk P L=.50U
> + W=10.00U
> M35 U16_M72$3_source VDD VDD U18_floatbulk P L=.50U
> + W=10.00U
> M36 U16_M72$2_source VDD VDD U18_floatbulk P L=.50U
> + W=10.00U
> M37 U16_M72$1_source VDD VDD U18_floatbulk P L=.50U
> + W=10.00U
> M38 U16_M72$0_source VDD VDD U18_floatbulk P L=.50U
> + W=10.00U
> M39 U16_U1_drain U15_oenb VSS VSS N L=.40U W=9.60U
> M40 U16_pfb VDD U16_U1_drain VSS N L=.40U W=9.60U
> M41 PAD U17_nfb U19_M62$5_source VSS N L=.50U W=54.00U
> M42 PAD U17_nfb U19_M62$4_source VSS N L=.50U W=54.00U
> M43 PAD U17_nfb U19_M62$3_source VSS N L=.50U W=54.00U
> M44 PAD U17_nfb U19_M62$2_source VSS N L=.50U W=54.00U
> M45 PAD U17_nfb U19_M62$1_source VSS N L=.50U W=54.00U
> M46 PAD U17_nfb U19_M62$0_source VSS N L=.50U W=54.00U
> M47 U19_M62$5_source U15_n_gate VSS VSS N L=.50U
> + W=54.00U
> M48 U19_M62$4_source U15_n_gate VSS VSS N L=.50U
> + W=54.00U
> M49 U19_M62$3_source U15_n_gate VSS VSS N L=.50U
> + W=54.00U
> M50 U19_M62$2_source U15_n_gate VSS VSS N L=.50U
> + W=54.00U
> M51 U19_M62$1_source U15_n_gate VSS VSS N L=.50U
> + W=54.00U
> M52 U19_M62$0_source U15_n_gate VSS VSS N L=.50U
> + W=54.00U
> M53 U21_M61$11_drain U15_p_gate VDD U18_floatbulk P L=.50U
> + W=66.80U
> M54 U21_M61$10_drain U15_p_gate VDD U18_floatbulk P L=.50U
> + W=66.80U
> M55 U21_M61$9_drain U15_p_gate VDD U18_floatbulk P L=.50U
> + W=66.80U
> M56 U21_M61$8_drain U15_p_gate VDD U18_floatbulk P L=.50U
> + W=66.80U
> M57 U21_M61$7_drain U15_p_gate VDD U18_floatbulk P L=.50U
> + W=66.80U
> M58 U21_M61$6_drain U15_p_gate VDD U18_floatbulk P L=.50U
> + W=66.80U
> M59 U21_M61$5_drain U15_p_gate VDD U18_floatbulk P L=.50U
> + W=66.80U
> M60 U21_M61$4_drain U15_p_gate VDD U18_floatbulk P L=.50U
> + W=66.80U
> M61 U21_M61$3_drain U15_p_gate VDD U18_floatbulk P L=.50U
> + W=66.80U
> M62 U21_M61$2_drain U15_p_gate VDD U18_floatbulk P L=.50U
> + W=66.80U
> M63 U21_M61$1_drain U15_p_gate VDD U18_floatbulk P L=.50U
> + W=66.80U
> M64 U21_M61$0_drain U15_p_gate VDD U18_floatbulk P L=.50U
> + W=66.80U
> M65 PAD U16_pfb U21_M61$11_drain U18_floatbulk P L=.50U
> + W=66.80U
> M66 PAD U16_pfb U21_M61$10_drain U18_floatbulk P L=.50U
> + W=66.80U
> M67 PAD U16_pfb U21_M61$9_drain U18_floatbulk P L=.50U
> + W=66.80U
> M68 PAD U16_pfb U21_M61$8_drain U18_floatbulk P L=.50U
> + W=66.80U
> M69 PAD U16_pfb U21_M61$7_drain U18_floatbulk P L=.50U
> + W=66.80U
> M70 PAD U16_pfb U21_M61$6_drain U18_floatbulk P L=.50U
> + W=66.80U
> M71 PAD U16_pfb U21_M61$5_drain U18_floatbulk P L=.50U
> + W=66.80U
> M72 PAD U16_pfb U21_M61$4_drain U18_floatbulk P L=.50U
> + W=66.80U
> M73 PAD U16_pfb U21_M61$3_drain U18_floatbulk P L=.50U
> + W=66.80U
> M74 PAD U16_pfb U21_M61$2_drain U18_floatbulk P L=.50U
> + W=66.80U
> M75 PAD U16_pfb U21_M61$1_drain U18_floatbulk P L=.50U
> + W=66.80U
> M76 PAD U16_pfb U21_M61$0_drain U18_floatbulk P L=.50U
> + W=66.80U
> M79 U25_MNUN3$1_drai U25_R1_r1 VSS VSS N L=.50U
> + W=54.00U
> M80 U25_MNUN3$0_drai U25_R1_r1 VSS VSS N L=.50U
> + W=54.00U
> M81 PAD U25_R2_r2 U25_MNUN3$1_drai VSS N L=.50U
> + W=54.00U
> M82 PAD U25_R2_r2 U25_MNUN3$0_drai VSS N L=.50U
> + W=54.00U
> R77 U25_R1_r1 VSS 1.2000K $[NW]
> R78 VDD U25_R2_r2 1.2000K $[NW]
>
> .END
>
>
> --------------404E71479D4--
>
>
Received on Tue Mar 16 08:46:02 1999
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