CD74HC173PWR

@@ -80,37 +80,37 @@         "number": "3",         "name": "Q0",         "type": "tri_state",-        "description": "Three-state buffered output of flip-flop 0; VOH \u2265 3.84 V and VOL \u2264 0.33 V at IOH = -6 mA / IOL = 6 mA, VCC = 4.5 V, 85 \u00b0C; high-impedance when OE1 or OE2 is HIGH."+        "description": "Three-state buffered output of flip-flop 0; VOH ≥ 3.84 V and VOL ≤ 0.33 V at IOH = -6 mA / IOL = 6 mA, VCC = 4.5 V, 85 °C; high-impedance when OE1 or OE2 is HIGH."       },       {         "number": "4",         "name": "Q1",         "type": "tri_state",-        "description": "Three-state buffered output of flip-flop 1; VOH \u2265 3.84 V and VOL \u2264 0.33 V at IOH = -6 mA / IOL = 6 mA, VCC = 4.5 V, 85 \u00b0C; high-impedance when OE1 or OE2 is HIGH."+        "description": "Three-state buffered output of flip-flop 1; VOH ≥ 3.84 V and VOL ≤ 0.33 V at IOH = -6 mA / IOL = 6 mA, VCC = 4.5 V, 85 °C; high-impedance when OE1 or OE2 is HIGH."       },       {         "number": "5",         "name": "Q2",         "type": "tri_state",-        "description": "Three-state buffered output of flip-flop 2; VOH \u2265 3.84 V and VOL \u2264 0.33 V at IOH = -6 mA / IOL = 6 mA, VCC = 4.5 V, 85 \u00b0C; high-impedance when OE1 or OE2 is HIGH."+        "description": "Three-state buffered output of flip-flop 2; VOH ≥ 3.84 V and VOL ≤ 0.33 V at IOH = -6 mA / IOL = 6 mA, VCC = 4.5 V, 85 °C; high-impedance when OE1 or OE2 is HIGH."       },       {         "number": "6",         "name": "Q3",         "type": "tri_state",-        "description": "Three-state buffered output of flip-flop 3; VOH \u2265 3.84 V and VOL \u2264 0.33 V at IOH = -6 mA / IOL = 6 mA, VCC = 4.5 V, 85 \u00b0C; high-impedance when OE1 or OE2 is HIGH."+        "description": "Three-state buffered output of flip-flop 3; VOH ≥ 3.84 V and VOL ≤ 0.33 V at IOH = -6 mA / IOL = 6 mA, VCC = 4.5 V, 85 °C; high-impedance when OE1 or OE2 is HIGH."       },       {         "number": "7",         "name": "CP",         "type": "input",-        "description": "Clock input (shared by all four flip-flops); data is captured on the positive-going edge; minimum clock pulse width 16 ns at VCC = 4.5 V, 85 \u00b0C."+        "description": "Clock input (shared by all four flip-flops); data is captured on the positive-going edge; minimum clock pulse width 16 ns at VCC = 4.5 V, 85 °C."       },       {         "number": "8",         "name": "GND",         "type": "power_in",-        "description": "Ground supply reference; continuous current through GND pin must not exceed \u00b170 mA absolute maximum."+        "description": "Ground supply reference; continuous current through GND pin must not exceed ±70 mA absolute maximum."       },       {         "number": "9",@@ -128,37 +128,37 @@         "number": "11",         "name": "D3",         "type": "input",-        "description": "Data input for flip-flop 3; sampled on the positive-going clock edge when E1 = LOW and E2 = LOW and MR = LOW; VIH \u2265 3.15 V, VIL \u2264 1.35 V at VCC = 4.5 V."+        "description": "Data input for flip-flop 3; sampled on the positive-going clock edge when E1 = LOW and E2 = LOW and MR = LOW; VIH ≥ 3.15 V, VIL ≤ 1.35 V at VCC = 4.5 V."       },       {         "number": "12",         "name": "D2",         "type": "input",-        "description": "Data input for flip-flop 2; sampled on the positive-going clock edge when E1 = LOW and E2 = LOW and MR = LOW; VIH \u2265 3.15 V, VIL \u2264 1.35 V at VCC = 4.5 V."+        "description": "Data input for flip-flop 2; sampled on the positive-going clock edge when E1 = LOW and E2 = LOW and MR = LOW; VIH ≥ 3.15 V, VIL ≤ 1.35 V at VCC = 4.5 V."       },       {         "number": "13",         "name": "D1",         "type": "input",-        "description": "Data input for flip-flop 1; sampled on the positive-going clock edge when E1 = LOW and E2 = LOW and MR = LOW; VIH \u2265 3.15 V, VIL \u2264 1.35 V at VCC = 4.5 V."+        "description": "Data input for flip-flop 1; sampled on the positive-going clock edge when E1 = LOW and E2 = LOW and MR = LOW; VIH ≥ 3.15 V, VIL ≤ 1.35 V at VCC = 4.5 V."       },       {         "number": "14",         "name": "D0",         "type": "input",-        "description": "Data input for flip-flop 0; sampled on the positive-going clock edge when E1 = LOW and E2 = LOW and MR = LOW; VIH \u2265 3.15 V, VIL \u2264 1.35 V at VCC = 4.5 V."+        "description": "Data input for flip-flop 0; sampled on the positive-going clock edge when E1 = LOW and E2 = LOW and MR = LOW; VIH ≥ 3.15 V, VIL ≤ 1.35 V at VCC = 4.5 V."       },       {         "number": "15",         "name": "MR",         "type": "input",-        "description": "Master reset, active HIGH and asynchronous; forces all Q outputs LOW independent of clock, E1, E2, and D inputs; tpd (MR to output) max 44 ns at VCC = 4.5 V, 85 \u00b0C."+        "description": "Master reset, active HIGH and asynchronous; forces all Q outputs LOW independent of clock, E1, E2, and D inputs; tpd (MR to output) max 44 ns at VCC = 4.5 V, 85 °C."       },       {         "number": "16",         "name": "VCC",         "type": "power_in",-        "description": "Positive supply voltage; HC types 2 V to 6 V, HCT types 4.5 V to 5.5 V; absolute maximum 7 V; decouple with 0.1 \u00b5F ceramic capacitor placed as close to pin as possible."+        "description": "Positive supply voltage; HC types 2 V to 6 V, HCT types 4.5 V to 5.5 V; absolute maximum 7 V; decouple with 0.1 µF ceramic capacitor placed as close to pin as possible."       }     ],     "provenance": {@@ -195,6 +195,46 @@     "viewers": {       "symbol": "viewers/symbol.html",       "footprint": "viewers/footprint.html"-    }+    },+    "models_3d": [+      {+        "file": "cd74hc173pwr.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6.4,+          5.0,+          1.1+        ],+        "zmin_mm": -0.0,+        "centre_offset_mm": 0.0,+        "footprint_binding": "identity",+        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "cd74hc173pwr-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6.4,+          5.0,+          1.1+        ],+        "zmin_mm": -0.0,+        "centre_offset_mm": 0.0,+        "footprint_binding": "identity",+        "sha256": "edba96448b65b39b49d4057ed03fb7e200e9feb1551ed9c25fed6077fac2c805",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      }+    ]   }-}\ No newline at end of file+}