fahcon Full adder, inverted carry in, inverted carry out.

NAME

fahcon from sky130_fd_sc_ms

DESCRIPTION

Full adder, inverted carry in, inverted carry out.

FUNCTION

VERILOG

"sky130_fd_sc_ms__fahcon"

/*
*/


`ifndef SKY130_FD_SC_MS__FAHCON_FUNCTIONAL_V
`define SKY130_FD_SC_MS__FAHCON_FUNCTIONAL_V

/**

`timescale 1ns / 1ps
`default_nettype none

`celldefine
module sky130_fd_sc_ms__fahcon (
    COUT_N,
    SUM   ,
    A     ,
    B     ,
    CI
);

    // Module ports
    output COUT_N;
    output SUM   ;
    input  A     ;
    input  B     ;
    input  CI    ;

    // Local signals
    wire xor0_out_SUM ;
    wire a_b          ;
    wire a_ci         ;
    wire b_ci         ;
    wire or0_out_coutn;

    //  Name  Output         Other arguments
    xor xor0 (xor0_out_SUM , A, B, CI       );
    buf buf0 (SUM          , xor0_out_SUM   );
    nor nor0 (a_b          , A, B           );
    nor nor1 (a_ci         , A, CI          );
    nor nor2 (b_ci         , B, CI          );
    or  or0  (or0_out_coutn, a_b, a_ci, b_ci);
    buf buf1 (COUT_N       , or0_out_coutn  );

endmodule
`endcelldefine

`default_nettype wire
`endif  // SKY130_FD_SC_MS__FAHCON_FUNCTIONAL_V

SPICE

LAYOUT

sky130_fd_sc_ms__fahcon_1

not to scale



.subckt sky130_fd_sc_ms__fahcon_1 A B CI VGND VNB VPB VPWR COUT_N SUM
X0 a_1264_421# CI VPWR VPB sky130_fd_pr__pfet_01v8 w=1e+06u l=180000u
X1 VPWR a_1744_94# SUM VPB sky130_fd_pr__pfet_01v8 w=1.12e+06u l=180000u
X2 a_372_365# B a_244_368# VNB sky130_fd_pr__nfet_01v8_lvt w=640000u l=150000u
X3 a_244_368# a_336_263# a_374_120# VNB sky130_fd_pr__nfet_01v8_lvt w=640000u l=150000u
X4 a_27_100# a_336_263# a_374_120# VPB sky130_fd_pr__pfet_01v8 w=840000u l=180000u
X5 COUT_N a_372_365# a_1264_421# VPB sky130_fd_pr__pfet_01v8 w=840000u l=180000u
X6 VGND B a_1026_389# VNB sky130_fd_pr__nfet_01v8_lvt w=640000u l=150000u
X7 a_1264_421# CI VGND VNB sky130_fd_pr__nfet_01v8_lvt w=640000u l=150000u
X8 a_1744_94# a_374_120# a_1609_368# VPB sky130_fd_pr__pfet_01v8 w=840000u l=180000u
X9 a_27_100# a_336_263# a_372_365# VNB sky130_fd_pr__nfet_01v8_lvt w=640000u l=150000u
X10 a_27_100# A VGND VNB sky130_fd_pr__nfet_01v8_lvt w=740000u l=150000u
X11 a_374_120# B a_244_368# VPB sky130_fd_pr__pfet_01v8 w=840000u l=180000u
X12 a_1744_94# a_374_120# a_1719_368# VNB sky130_fd_pr__nfet_01v8_lvt w=640000u l=150000u
X13 a_1719_368# a_1609_368# VPWR VPB sky130_fd_pr__pfet_01v8 w=1e+06u l=180000u
X14 a_336_263# B VGND VNB sky130_fd_pr__nfet_01v8_lvt w=740000u l=150000u
X15 a_336_263# B VPWR VPB sky130_fd_pr__pfet_01v8 w=1.12e+06u l=180000u
X16 a_1609_368# a_372_365# a_1744_94# VNB sky130_fd_pr__nfet_01v8_lvt w=640000u l=150000u
X17 a_372_365# B a_27_100# VPB sky130_fd_pr__pfet_01v8 w=840000u l=180000u
X18 a_1026_389# a_374_120# COUT_N VPB sky130_fd_pr__pfet_01v8 w=840000u l=180000u
X19 a_27_100# A VPWR VPB sky130_fd_pr__pfet_01v8 w=1.12e+06u l=180000u
X20 a_1719_368# a_372_365# a_1744_94# VPB sky130_fd_pr__pfet_01v8 w=840000u l=180000u
X21 VGND CI a_1609_368# VNB sky130_fd_pr__nfet_01v8_lvt w=740000u l=150000u
X22 VGND a_1744_94# SUM VNB sky130_fd_pr__nfet_01v8_lvt w=740000u l=150000u
X23 VPWR CI a_1609_368# VPB sky130_fd_pr__pfet_01v8 w=1.12e+06u l=180000u
X24 VPWR a_27_100# a_244_368# VPB sky130_fd_pr__pfet_01v8 w=1e+06u l=180000u
X25 VPWR B a_1026_389# VPB sky130_fd_pr__pfet_01v8 w=1e+06u l=180000u
X26 a_1719_368# a_1609_368# VGND VNB sky130_fd_pr__nfet_01v8_lvt w=640000u l=150000u
X27 VGND a_27_100# a_244_368# VNB sky130_fd_pr__nfet_01v8_lvt w=640000u l=150000u
X28 a_1026_389# a_372_365# COUT_N VNB sky130_fd_pr__nfet_01v8_lvt w=640000u l=150000u
X29 a_374_120# B a_27_100# VNB sky130_fd_pr__nfet_01v8_lvt w=640000u l=150000u
X30 COUT_N a_374_120# a_1264_421# VNB sky130_fd_pr__nfet_01v8_lvt w=640000u l=150000u
X31 a_244_368# a_336_263# a_372_365# VPB sky130_fd_pr__pfet_01v8 w=840000u l=180000u
.ends