blob: 89ebad1e7105d0d8d42f95a47ebf067b608a5188 [file] [log] [blame]
`celldefine
`suppress_faults
`enable_portfaults
`ifdef TETRAMAX
`define functional
`endif
`ifdef functional
`timescale 1ns / 1ps
`ifndef dont_change_delay_mode // See CDT 66389 for detail on dont_change_delay_mode
`delay_mode_distributed
`endif
`ifndef dont_change_delay_mode // See CDT 66389 for detail on dont_change_delay_mode
`delay_mode_unit
`endif
`else
`timescale 1ns / 1ps
`ifndef dont_change_delay_mode // See CDT 66389 for detail on dont_change_delay_mode
`delay_mode_path
`endif
`endif
module scs8hs_sdfstp_2 ( CLK , D , Q , SCD , SCE , SETB , vpwr , vgnd ) ;
input vpwr , vgnd ;
output Q ;
input CLK , D , SCD , SCE , SETB ;
wire buf_Q , set , mux_out ;
`ifdef functional
not ( set , SETB ) ;
U_MUX_2_1 ( mux_out , D , SCD , SCE ) ;
U_DF_P_S_pg #0.001 ( buf_Q , mux_out , CLK , set , vpwr , vgnd ) ;
`else
reg notifier ;
wire D_delayed , SCD_delayed , SCE_delayed , SETB_delayed , CLK_delayed ;
not ( set , SETB_delayed ) ;
U_MUX_2_1 ( mux_out , D_delayed , SCD_delayed , SCE_delayed ) ;
U_DF_P_S_NO_pg ( buf_Q , mux_out , CLK_delayed , set , notifier , vpwr , vgnd ) ;
wire AWAKE , COND0 , COND1 , COND2 , COND3 , COND4 ;
assign AWAKE = ( vpwr === 1'b1 ) ;
assign COND0 = ( ( SETB_delayed === 1'b1 ) && AWAKE ) ;
assign COND1 = ( ( SCE_delayed === 1'b0 ) && COND0 ) ;
assign COND2 = ( ( SCE_delayed === 1'b1 ) && COND0 ) ;
assign COND3 = ( ( D_delayed !== SCD_delayed ) && COND0 ) ;
assign COND4 = ( ( SETB === 1'b1 ) && AWAKE ) ;
specify
( negedge SETB => ( Q -: SETB ) ) = 0:0:0 ; // delay is tris
( posedge CLK => ( Q : CLK ) ) = ( 0:0:0 , 0:0:0 ) ; // delays are tris , tfall
$recrem ( posedge SETB , posedge CLK , 0:0:0 , 0:0:0 , notifier , AWAKE , AWAKE , SETB_delayed , CLK_delayed ) ;
$setuphold ( posedge CLK , posedge D , 0:0:0 , 0:0:0 , notifier , COND1 , COND1 , CLK_delayed , D_delayed ) ;
$setuphold ( posedge CLK , negedge D , 0:0:0 , 0:0:0 , notifier , COND1 , COND1 , CLK_delayed , D_delayed ) ;
$setuphold ( posedge CLK , posedge SCD , 0:0:0 , 0:0:0 , notifier , COND2 , COND2 , CLK_delayed , SCD_delayed ) ;
$setuphold ( posedge CLK , negedge SCD , 0:0:0 , 0:0:0 , notifier , COND2 , COND2 , CLK_delayed , SCD_delayed ) ;
$setuphold ( posedge CLK , posedge SCE , 0:0:0 , 0:0:0 , notifier , COND3 , COND3 , CLK_delayed , SCE_delayed ) ;
$setuphold ( posedge CLK , negedge SCE , 0:0:0 , 0:0:0 , notifier , COND3 , COND3 , CLK_delayed , SCE_delayed ) ;
$width ( posedge CLK &&& COND4 , 1.0:1.0:1.0 , 0 , notifier ) ;
$width ( negedge CLK &&& COND4 , 1.0:1.0:1.0 , 0 , notifier ) ;
$width ( negedge SETB &&& AWAKE , 1.0:1.0:1.0 , 0 , notifier ) ;
$width ( posedge SETB &&& AWAKE , 1.0:1.0:1.0 , 0 , notifier ) ;
endspecify
`endif
buf ( Q , buf_Q ) ;
endmodule
`endcelldefine
`disable_portfaults
`nosuppress_faults