From bd57a043d754b5532e6757540bd865ea2dd2ad9a Mon Sep 17 00:00:00 2001 From: Hunter Nichols Date: Mon, 20 Sep 2021 16:51:02 -0700 Subject: [PATCH] Removed reference to lamba in freepdk45 tech file. Fixed issue with transconductance equation. --- technology/freepdk45/tech/tech.py | 2 +- technology/scn4m_subm/tech/tech.py | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/technology/freepdk45/tech/tech.py b/technology/freepdk45/tech/tech.py index f719e481..fd477077 100644 --- a/technology/freepdk45/tech/tech.py +++ b/technology/freepdk45/tech/tech.py @@ -472,7 +472,7 @@ spice["wire_c_per_um"] = spice["wire_unit_c"]*drc["minwidth_m2"] # Unit c by m2 spice["wire_r_per_um"] = spice["wire_unit_r"]/drc["minwidth_m2"] # Unit r per m2 width, Ohms/um units spice["mobility_n"] = 0.045e8 # um^2/(V*s) spice["V_dsat"] = 0.0938 # From CACTI 45nm tech -spice["sa_transconductance"] = (spice["mobility_n"])*spice["cox"]*(parameter["sa_inv_nmos_size"]/_lambda_)*spice["V_dsat"] +spice["sa_transconductance"] = (spice["mobility_n"])*spice["cox"]*(parameter["sa_inv_nmos_size"]/parameter["min_tx_size"])*spice["V_dsat"] ################################################### # Technology Tool Preferences ################################################### diff --git a/technology/scn4m_subm/tech/tech.py b/technology/scn4m_subm/tech/tech.py index bd082460..a8c44996 100644 --- a/technology/scn4m_subm/tech/tech.py +++ b/technology/scn4m_subm/tech/tech.py @@ -418,7 +418,7 @@ spice["wire_c_per_um"] = spice["wire_unit_c"]*drc["minwidth_m2"] # Unit c by m2 spice["wire_r_per_um"] = spice["wire_unit_r"]/drc["minwidth_m2"] # Unit r per m2 width, Ohms/um units spice["mobility_n"] = 444.94e8 # um^2/(V*s) spice["V_dsat"] = 0.256 # From CACTI 180nm tech -spice["sa_transconductance"] = (spice["mobility_n"])*spice["cox"]*(parameter["sa_inv_nmos_size"]/_lambda_)*spice["V_dsat"] +spice["sa_transconductance"] = (spice["mobility_n"])*spice["cox"]*(parameter["sa_inv_nmos_size"]/parameter["min_tx_size"])*spice["V_dsat"] ###################################################