{ "engine": "stderr Warning: can't find the initialization file spinit.\nstdout ******\nstdout ** ngspice-46 shared library\nstdout ** Creation Date: Apr 14 2026 05:15:29\nstdout ******\nstdout ******\nstdout ** ngspice-46 : Circuit level simulation program\nstdout ** Compiled with KLU Direct Linear Solver\nstdout ** The U. C. Berkeley CAD Group\nstdout ** Copyright 1985-1994, Regents of the University of California.\nstdout ** Copyright 2001-2025, The ngspice team.\nstdout ** Please get your ngspice manual from https://ngspice.sourceforge.io/docs.html\nstdout ** Please file your bug-reports at https://ngspice.sourceforge.io/bugrep.html\nstdout ** Creation Date: Apr 14 2026 05:15:29\nstdout ******", "dll_sha256": "c2c103033190aa0429703ad3333ed997a6dfcfe0795a4120f86c3c6f38c9b1dd", "conditions": { "supply_V": 5, "firmware_clock_Hz": 12000000, "temperature_C": 27, "led_model": "illustrative diode, Is=1e-19 N=2 Rs=2; actual LED unknown", "load_test_VOL_V": 0.45, "RP_each_ohm": 10000, "reset_cap_F": 1e-05, "RST_internal_ohm": 100000 }, "dc": [ { "R_LED_ohm": 120, "pin_sink_demand_mA": 20.850239770041025, "LED_current_mA": 20.395239770041023, "pullup_current_mA": 0.455, "P0_total_all8_on_mA": 166.8019181603282, "within_10mA_pin_limit": false, "within_3p2mA_VOL_test_condition": false, "within_26mA_port_limit": false }, { "R_LED_ohm": 1500, "pin_sink_demand_mA": 2.1963509808069275, "LED_current_mA": 1.7413509808069279, "pullup_current_mA": 0.455, "P0_total_all8_on_mA": 17.57080784645542, "within_10mA_pin_limit": true, "within_3p2mA_VOL_test_condition": true, "within_26mA_port_limit": true } ], "reset": [ { "R_RESET_ohm": 200, "rise_time_ms": 0.001, "valid_RST_high_after_VCC_4V_ms": 0.7090288662814951, "RST_at_end_of_ramp_V": 4.998747717855945, "RST_peak_V": 4.998747717857029, "valid_RST_high_after_ramp_ms": 0.7090288662814951, "note": "Clock startup is not included; high pulse alone does not verify oscillator startup." }, { "R_RESET_ohm": 200, "rise_time_ms": 1.0, "valid_RST_high_after_VCC_4V_ms": 0.4177149902891101, "RST_at_end_of_ramp_V": 3.932896018088, "RST_peak_V": 3.932896018088, "valid_RST_high_after_ramp_ms": 0.2250000000000008, "note": "Clock startup is not included; high pulse alone does not verify oscillator startup." }, { "R_RESET_ohm": 200, "rise_time_ms": 10.0, "valid_RST_high_after_VCC_4V_ms": 0.0, "RST_at_end_of_ramp_V": 0.9913464734480169, "RST_peak_V": 0.9913464734480169, "valid_RST_high_after_ramp_ms": 0.0, "note": "Clock startup is not included; high pulse alone does not verify oscillator startup." }, { "R_RESET_ohm": 200, "rise_time_ms": 100.0, "valid_RST_high_after_VCC_4V_ms": 0.0, "RST_at_end_of_ramp_V": 0.09980039920146222, "RST_peak_V": 0.09980039920157369, "valid_RST_high_after_ramp_ms": 0.0, "note": "Clock startup is not included; high pulse alone does not verify oscillator startup." }, { "R_RESET_ohm": 10000, "rise_time_ms": 0.001, "valid_RST_high_after_VCC_4V_ms": 32.42011584427699, "RST_at_end_of_ramp_V": 4.999972500102619, "RST_peak_V": 4.999972500103704, "valid_RST_high_after_ramp_ms": 32.42011584427699, "note": "Clock startup is not included; high pulse alone does not verify oscillator startup." }, { "R_RESET_ohm": 10000, "rise_time_ms": 1.0, "valid_RST_high_after_VCC_4V_ms": 32.12258896384922, "RST_at_end_of_ramp_V": 4.972600561568876, "RST_peak_V": 4.972600561568876, "valid_RST_high_after_ramp_ms": 31.924999999999716, "note": "Clock startup is not included; high pulse alone does not verify oscillator startup." }, { "R_RESET_ohm": 10000, "rise_time_ms": 10.0, "valid_RST_high_after_VCC_4V_ms": 29.461819985370667, "RST_at_end_of_ramp_V": 4.734812036484992, "RST_peak_V": 4.734812036484992, "valid_RST_high_after_ramp_ms": 27.46500000000139, "note": "Clock startup is not included; high pulse alone does not verify oscillator startup." }, { "R_RESET_ohm": 10000, "rise_time_ms": 100.0, "valid_RST_high_after_VCC_4V_ms": 0.0, "RST_at_end_of_ramp_V": 3.0324041666816237, "RST_peak_V": 3.0324041666816237, "valid_RST_high_after_ramp_ms": 0.0, "note": "Clock startup is not included; high pulse alone does not verify oscillator startup." } ], "dc_sweep": [ { "R_LED_ohm": 120, "VCC_V": 4.5, "VOL_clamp_V": 0.0, "pin_sink_demand_mA": 20.443827449146674, "all8_mA": 163.5506195931734 }, { "R_LED_ohm": 120, "VCC_V": 4.5, "VOL_clamp_V": 0.45, "pin_sink_demand_mA": 16.79445124155745, "all8_mA": 134.3556099324596 }, { "R_LED_ohm": 120, "VCC_V": 5.0, "VOL_clamp_V": 0.0, "pin_sink_demand_mA": 24.51451483068997, "all8_mA": 196.11611864551975 }, { "R_LED_ohm": 120, "VCC_V": 5.0, "VOL_clamp_V": 0.45, "pin_sink_demand_mA": 20.850239770041025, "all8_mA": 166.8019181603282 }, { "R_LED_ohm": 120, "VCC_V": 5.5, "VOL_clamp_V": 0.0, "pin_sink_demand_mA": 28.596847963378483, "all8_mA": 228.77478370702786 }, { "R_LED_ohm": 120, "VCC_V": 5.5, "VOL_clamp_V": 0.45, "pin_sink_demand_mA": 24.92229851122083, "all8_mA": 199.37838808976664 }, { "R_LED_ohm": 1500, "VCC_V": 4.5, "VOL_clamp_V": 0.0, "pin_sink_demand_mA": 2.158713577860033, "all8_mA": 17.269708622880263 }, { "R_LED_ohm": 1500, "VCC_V": 4.5, "VOL_clamp_V": 0.45, "pin_sink_demand_mA": 1.8205925909693097, "all8_mA": 14.564740727754478 }, { "R_LED_ohm": 1500, "VCC_V": 5.0, "VOL_clamp_V": 0.0, "pin_sink_demand_mA": 2.535575125575009, "all8_mA": 20.284601004600074 }, { "R_LED_ohm": 1500, "VCC_V": 5.0, "VOL_clamp_V": 0.45, "pin_sink_demand_mA": 2.1963509808069275, "all8_mA": 17.57080784645542 }, { "R_LED_ohm": 1500, "VCC_V": 5.5, "VOL_clamp_V": 0.0, "pin_sink_demand_mA": 2.9132772654731793, "all8_mA": 23.306218123785435 }, { "R_LED_ohm": 1500, "VCC_V": 5.5, "VOL_clamp_V": 0.45, "pin_sink_demand_mA": 2.5733145687986725, "all8_mA": 20.58651655038938 } ], "manual_reset": { "R_RESET_ohm": 200, "button_on_s": 0.04, "button_hold_s": 0.02, "RST_at_50ms_V": 4.975074874876866, "note": "Assumes oscillator already running; switch Ron=1ohm is an illustrative contact model." } }