blob: f890159e50a9254bd950144ece613f03c93c196c [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_sdfrtp_4 ( RESETB , CLK , D , Q , SCD , SCE , vpwr , vgnd ) ;
input vpwr , vgnd ;
output Q ;
input CLK , D , SCD , SCE , RESETB ;
wire buf_Q , reset , mux_out ;
`ifdef functional
not ( reset , RESETB ) ;
U_MUX_2_1 ( mux_out , D , SCD , SCE ) ;
U_DF_P_R_pg #0.001 ( buf_Q , mux_out , CLK , reset , vpwr , vgnd ) ;
`else
reg notifier ;
wire D_delayed , SCD_delayed , SCE_delayed , RESETB_delayed , CLK_delayed ;
not ( reset , RESETB_delayed ) ;
U_MUX_2_1 ( mux_out , D_delayed , SCD_delayed , SCE_delayed ) ;
U_DF_P_R_NO_pg ( buf_Q , mux_out , CLK_delayed , reset , notifier , vpwr , vgnd ) ;
wire AWAKE , COND0 , COND1 , COND2 , COND3 , COND4 ;
assign AWAKE = ( vpwr === 1'b1 ) ;
assign COND0 = ( ( RESETB_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 = ( ( RESETB === 1'b1 ) && AWAKE ) ;
specify
( negedge RESETB => ( Q +: RESETB ) ) = 0:0:0 ; // delay is tris
( posedge CLK => ( Q : CLK ) ) = ( 0:0:0 , 0:0:0 ) ; // delays are tris , tfall
$recrem ( posedge RESETB , posedge CLK , 0:0:0 , 0:0:0 , notifier , AWAKE , AWAKE , RESETB_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 RESETB &&& AWAKE , 1.0:1.0:1.0 , 0 , notifier ) ;
$width ( posedge RESETB &&& AWAKE , 1.0:1.0:1.0 , 0 , notifier ) ;
endspecify
`endif
buf ( Q , buf_Q ) ;
endmodule
`endcelldefine
`disable_portfaults
`nosuppress_faults