{
    "DESIGN_NAME": "multiply_add_64x64",

    "CLOCK_PERIOD": 15,
    "CLOCK_PORT": "clk",
    "CLOCK_NET": "clk",

    "FP_SIZING": "absolute",

    "DESIGN_IS_CORE": 0,
    "FP_PDN_CORE_RING": 0,

    "FP_PIN_ORDER_CFG": "dir::pin_order.cfg",

    "IO_PCT": "0.4",

    "SYNTH_READ_BLACKBOX_LIB": "1",

    "VDD_NETS": ["VPWR"],
    "GND_NETS": ["VGND"],

    "FP_PDN_VWIDTH": 3.1,
    "FP_PDN_HWIDTH": 3.1,
    "FP_PDN_VSPACING": "expr::(5 * $FP_PDN_VWIDTH)",
    "FP_PDN_HSPACING": "expr::(5 * $FP_PDN_VWIDTH)",
    "FP_PDN_VPITCH": 180,
    "FP_PDN_HPITCH": 180,
    "FP_PDN_VOFFSET": 5,
    "FP_PDN_HOFFSET": 5,

    "SYNTH_STRATEGY": "DELAY 4",
    "SYNTH_MAX_FANOUT": "10",

    "RUN_KLAYOUT": "0",

    "GPL_CELL_PADDING": "2",
    "DPL_CELL_PADDING": "1",
    "DIODE_PADDING": "0",

    "pdk::sky130*": {
        "VERILOG_FILES": ["dir::src/multiply_add_64x64.v"],

        "RT_MAX_LAYER": "met4",
        "DIE_AREA": "0 0 550 550",
        "PL_TARGET_DENSITY": "0.70",

        "CTS_CLK_BUFFER_LIST": ["sky130_fd_sc_hd__clkbuf_8", "sky130_fd_sc_hd__clkbuf_4", "sky130_fd_sc_hd__clkbuf_2"],
        "CTS_DISABLE_POST_PROCESSING": "1",
        "CTS_DISTANCE_BETWEEN_BUFFERS": "250"
    },
    "pdk::gf180mcuC": {
        "STD_CELL_LIBRARY": "gf180mcu_fd_sc_mcu7t5v0",

        "VERILOG_FILES": ["dir::src/gf180mcu/multiply_add_64x64.v"],

        "RT_MAX_LAYER": "Metal4",
        "DIE_AREA": "0 0 900 900",
        "PL_TARGET_DENSITY": "0.73",

        "DIODE_INSERTION_STRATEGY": "0"
    },

    "ROUTING_CORES": "24"
}