NAME

fa from sky130_fd_sc_hd

DESCRIPTION

Full adder.

FUNCTION

VERILOG

"sky130_fd_sc_hd__fa" 
/*
*/


`ifndef SKY130_FD_SC_HD__FA_FUNCTIONAL_V
`define SKY130_FD_SC_HD__FA_FUNCTIONAL_V

/**

`timescale 1ns / 1ps
`default_nettype none

`celldefine
module sky130_fd_sc_hd__fa (
    COUT,
    SUM ,
    A   ,
    B   ,
    CIN
);

    // Module ports
    output COUT;
    output SUM ;
    input  A   ;
    input  B   ;
    input  CIN ;

    // Local signals
    wire or0_out     ;
    wire and0_out    ;
    wire and1_out    ;
    wire and2_out    ;
    wire nor0_out    ;
    wire nor1_out    ;
    wire or1_out_COUT;
    wire or2_out_SUM ;

    //  Name  Output        Other arguments
    or  or0  (or0_out     , CIN, B            );
    and and0 (and0_out    , or0_out, A        );
    and and1 (and1_out    , B, CIN            );
    or  or1  (or1_out_COUT, and1_out, and0_out);
    buf buf0 (COUT        , or1_out_COUT      );
    and and2 (and2_out    , CIN, A, B         );
    nor nor0 (nor0_out    , A, or0_out        );
    nor nor1 (nor1_out    , nor0_out, COUT    );
    or  or2  (or2_out_SUM , nor1_out, and2_out);
    buf buf1 (SUM         , or2_out_SUM       );

endmodule
`endcelldefine

`default_nettype wire
`endif  // SKY130_FD_SC_HD__FA_FUNCTIONAL_V

SPICE

LAYOUT

sky130_fd_sc_hd__fa_1

not to scale 



.subckt sky130_fd_sc_hd__fa_1 A B CIN VGND VNB VPB VPWR COUT SUM
X0 VGND A a_208_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X1 VGND B a_382_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X2 a_1163_413# A VPWR VPB sky130_fd_pr__pfet_01v8_hvt w=420000u l=150000u
X3 a_208_413# B a_76_199# VPB sky130_fd_pr__pfet_01v8_hvt w=420000u l=150000u
X4 a_382_413# A VPWR VPB sky130_fd_pr__pfet_01v8_hvt w=420000u l=150000u
X5 VPWR A a_738_413# VPB sky130_fd_pr__pfet_01v8_hvt w=420000u l=150000u
X6 a_76_199# CIN a_382_413# VPB sky130_fd_pr__pfet_01v8_hvt w=420000u l=150000u
X7 a_738_413# CIN VPWR VPB sky130_fd_pr__pfet_01v8_hvt w=420000u l=150000u
X8 a_995_47# CIN a_1091_413# VPB sky130_fd_pr__pfet_01v8_hvt w=420000u l=150000u
X9 VPWR B a_382_413# VPB sky130_fd_pr__pfet_01v8_hvt w=420000u l=150000u
X10 a_1091_413# B a_1163_413# VPB sky130_fd_pr__pfet_01v8_hvt w=420000u l=150000u
X11 VGND A a_738_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X12 a_382_47# A VGND VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X13 VGND B a_738_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X14 VPWR a_995_47# SUM VPB sky130_fd_pr__pfet_01v8_hvt w=1e+06u l=150000u
X15 a_738_47# CIN VGND VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X16 a_738_47# a_76_199# a_995_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X17 a_76_199# CIN a_382_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X18 a_1091_47# B a_1163_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X19 a_738_413# a_76_199# a_995_47# VPB sky130_fd_pr__pfet_01v8_hvt w=420000u l=150000u
X20 VGND a_995_47# SUM VNB sky130_fd_pr__nfet_01v8 w=650000u l=150000u
X21 VPWR B a_738_413# VPB sky130_fd_pr__pfet_01v8_hvt w=420000u l=150000u
X22 a_1163_47# A VGND VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X23 VPWR A a_208_413# VPB sky130_fd_pr__pfet_01v8_hvt w=420000u l=150000u
X24 COUT a_76_199# VGND VNB sky130_fd_pr__nfet_01v8 w=650000u l=150000u
X25 COUT a_76_199# VPWR VPB sky130_fd_pr__pfet_01v8_hvt w=1e+06u l=150000u
X26 a_208_47# B a_76_199# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X27 a_995_47# CIN a_1091_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
.ends

sky130_fd_sc_hd__fa_2

not to scale 


.subckt sky130_fd_sc_hd__fa_2 A B CIN VGND VNB VPB VPWR COUT SUM
X0 a_80_21# CIN a_473_371# VPB sky130_fd_pr__pfet_01v8_hvt w=630000u l=150000u
X1 a_289_371# B a_80_21# VPB sky130_fd_pr__pfet_01v8_hvt w=630000u l=150000u
X2 a_1086_47# CIN a_1171_369# VPB sky130_fd_pr__pfet_01v8_hvt w=640000u l=150000u
X3 a_829_47# CIN VGND VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X4 VPWR B a_473_371# VPB sky130_fd_pr__pfet_01v8_hvt w=630000u l=150000u
X5 VGND A a_294_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X6 a_80_21# CIN a_473_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X7 VPWR a_80_21# COUT VPB sky130_fd_pr__pfet_01v8_hvt w=1e+06u l=150000u
X8 VGND a_1086_47# SUM VNB sky130_fd_pr__nfet_01v8 w=650000u l=150000u
X9 VGND a_80_21# COUT VNB sky130_fd_pr__nfet_01v8 w=650000u l=150000u
X10 a_1266_47# A VGND VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X11 a_1194_47# B a_1266_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X12 COUT a_80_21# VGND VNB sky130_fd_pr__nfet_01v8 w=650000u l=150000u
X13 VGND B a_829_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X14 a_294_47# B a_80_21# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X15 VPWR a_1086_47# SUM VPB sky130_fd_pr__pfet_01v8_hvt w=1e+06u l=150000u
X16 SUM a_1086_47# VGND VNB sky130_fd_pr__nfet_01v8 w=650000u l=150000u
X17 VGND B a_473_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X18 VPWR A a_289_371# VPB sky130_fd_pr__pfet_01v8_hvt w=630000u l=150000u
X19 a_829_47# a_80_21# a_1086_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X20 VPWR B a_829_369# VPB sky130_fd_pr__pfet_01v8_hvt w=640000u l=150000u
X21 SUM a_1086_47# VPWR VPB sky130_fd_pr__pfet_01v8_hvt w=1e+06u l=150000u
X22 VPWR A a_829_369# VPB sky130_fd_pr__pfet_01v8_hvt w=640000u l=150000u
X23 a_1086_47# CIN a_1194_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X24 a_829_369# a_80_21# a_1086_47# VPB sky130_fd_pr__pfet_01v8_hvt w=640000u l=150000u
X25 a_1266_371# A VPWR VPB sky130_fd_pr__pfet_01v8_hvt w=630000u l=150000u
X26 a_829_369# CIN VPWR VPB sky130_fd_pr__pfet_01v8_hvt w=640000u l=150000u
X27 a_473_371# A VPWR VPB sky130_fd_pr__pfet_01v8_hvt w=630000u l=150000u
X28 a_1171_369# B a_1266_371# VPB sky130_fd_pr__pfet_01v8_hvt w=630000u l=150000u
X29 VGND A a_829_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X30 COUT a_80_21# VPWR VPB sky130_fd_pr__pfet_01v8_hvt w=1e+06u l=150000u
X31 a_473_47# A VGND VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
.ends

sky130_fd_sc_hd__fa_4

not to scale 


.subckt sky130_fd_sc_hd__fa_4 A B CIN VGND VNB VPB VPWR COUT SUM
X0 a_79_21# CIN a_658_369# VPB sky130_fd_pr__pfet_01v8_hvt w=640000u l=150000u
X1 a_456_371# B a_79_21# VPB sky130_fd_pr__pfet_01v8_hvt w=630000u l=150000u
X2 VPWR a_1271_47# SUM VPB sky130_fd_pr__pfet_01v8_hvt w=1e+06u l=150000u
X3 VPWR B a_1014_369# VPB sky130_fd_pr__pfet_01v8_hvt w=640000u l=150000u
X4 a_658_369# A VPWR VPB sky130_fd_pr__pfet_01v8_hvt w=640000u l=150000u
X5 a_1271_47# CIN a_1356_369# VPB sky130_fd_pr__pfet_01v8_hvt w=640000u l=150000u
X6 COUT a_79_21# VGND VNB sky130_fd_pr__nfet_01v8 w=650000u l=150000u
X7 a_1014_369# a_79_21# a_1271_47# VPB sky130_fd_pr__pfet_01v8_hvt w=640000u l=150000u
X8 a_461_47# B a_79_21# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X9 VGND B a_658_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X10 a_1356_369# B a_1451_371# VPB sky130_fd_pr__pfet_01v8_hvt w=630000u l=150000u
X11 a_79_21# CIN a_658_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X12 a_1379_47# B a_1451_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X13 VGND a_1271_47# SUM VNB sky130_fd_pr__nfet_01v8 w=650000u l=150000u
X14 VGND B a_1014_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X15 SUM a_1271_47# VGND VNB sky130_fd_pr__nfet_01v8 w=650000u l=150000u
X16 a_1451_47# A VGND VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X17 VGND A a_1014_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X18 SUM a_1271_47# VGND VNB sky130_fd_pr__nfet_01v8 w=650000u l=150000u
X19 VPWR B a_658_369# VPB sky130_fd_pr__pfet_01v8_hvt w=640000u l=150000u
X20 VGND a_79_21# COUT VNB sky130_fd_pr__nfet_01v8 w=650000u l=150000u
X21 VPWR A a_456_371# VPB sky130_fd_pr__pfet_01v8_hvt w=630000u l=150000u
X22 a_1014_47# a_79_21# a_1271_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X23 a_1014_369# CIN VPWR VPB sky130_fd_pr__pfet_01v8_hvt w=640000u l=150000u
X24 COUT a_79_21# VGND VNB sky130_fd_pr__nfet_01v8 w=650000u l=150000u
X25 SUM a_1271_47# VPWR VPB sky130_fd_pr__pfet_01v8_hvt w=1e+06u l=150000u
X26 VPWR a_79_21# COUT VPB sky130_fd_pr__pfet_01v8_hvt w=1e+06u l=150000u
X27 VGND a_79_21# COUT VNB sky130_fd_pr__nfet_01v8 w=650000u l=150000u
X28 VPWR a_79_21# COUT VPB sky130_fd_pr__pfet_01v8_hvt w=1e+06u l=150000u
X29 VPWR A a_1014_369# VPB sky130_fd_pr__pfet_01v8_hvt w=640000u l=150000u
X30 SUM a_1271_47# VPWR VPB sky130_fd_pr__pfet_01v8_hvt w=1e+06u l=150000u
X31 VGND a_1271_47# SUM VNB sky130_fd_pr__nfet_01v8 w=650000u l=150000u
X32 COUT a_79_21# VPWR VPB sky130_fd_pr__pfet_01v8_hvt w=1e+06u l=150000u
X33 VGND A a_461_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X34 a_1014_47# CIN VGND VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X35 COUT a_79_21# VPWR VPB sky130_fd_pr__pfet_01v8_hvt w=1e+06u l=150000u
X36 a_1451_371# A VPWR VPB sky130_fd_pr__pfet_01v8_hvt w=630000u l=150000u
X37 VPWR a_1271_47# SUM VPB sky130_fd_pr__pfet_01v8_hvt w=1e+06u l=150000u
X38 a_658_47# A VGND VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
X39 a_1271_47# CIN a_1379_47# VNB sky130_fd_pr__nfet_01v8 w=420000u l=150000u
.ends