CD4543B BCD-to-7-Segment Latch

@@ -1,8 +1,11 @@ {+  "schema_version": 1,+  "type": "component",   "slug": "cd4543",+  "title": "CD4543B BCD-to-7-Segment Latch",+  "brief": "BCD-to-7-segment latch/decoder/driver for LCD and LED displays, 4000B CMOS.",   "version": "0.1.0",-  "type": "component",-  "description": "BCD-to-7-segment latch/decoder/driver for LCD and LED displays, 4000B CMOS.",+  "license": "CC-BY-SA-4.0",   "tags": [     "logic",     "display-driver",@@ -12,6 +15,168 @@     "ti",     "soic-16"   ],+  "component": {+    "mpn": "CD4543B",+    "manufacturer": "Texas Instruments",+    "package": "SOIC-16",+    "pin_count": 16,+    "category": "Logic",+    "subcategory": "Display Driver",+    "datasheet": "https://www.ti.com/lit/ds/symlink/cd4543b.pdf",+    "parts": {+      "symbol": "cd4543.kicad_sym",+      "footprint": "cd4543.kicad_mod",+      "model_3d": "cd4543.glb",+      "model_3d_step": "cd4543.step"+    },+    "distributor_links": {},+    "pins": [+      {+        "number": "1",+        "name": "LD",+        "type": "input",+        "description": "Latch Disable. When LD=1 the BCD inputs A-D are transparent to the decoder; when LD=0 the last BCD code is stored and the display is frozen. Minimum latch-disable pulse width tWH = 125 ns typ at VDD=5 V."+      },+      {+        "number": "2",+        "name": "C",+        "type": "input",+        "description": "BCD data input, weight 2^2 (bit 2). CMOS input with typ 5 pF input capacitance; VIH/VIL = 3.5/1.5 V at VDD=5 V."+      },+      {+        "number": "3",+        "name": "B",+        "type": "input",+        "description": "BCD data input, weight 2^1 (bit 1). CMOS input, latched by LD."+      },+      {+        "number": "4",+        "name": "D",+        "type": "input",+        "description": "BCD data input, weight 2^3 (MSB). CMOS input, latched by LD."+      },+      {+        "number": "5",+        "name": "A",+        "type": "input",+        "description": "BCD data input, weight 2^0 (LSB). CMOS input, latched by LD."+      },+      {+        "number": "6",+        "name": "PHASE",+        "type": "input",+        "description": "Phase / Ph input. Selects the polarity of the seven-segment outputs. For LCD drive, apply a square wave (common-plane signal). For common-cathode LEDs tie Ph=0; for common-anode LEDs tie Ph=1."+      },+      {+        "number": "7",+        "name": "BLANKING",+        "type": "input",+        "description": "Blanking (BI) input. When BI=1 all seven segment outputs are forced to the inactive state (display blanked). When BI=0 the decoded pattern (XOR'd with Ph) is presented on a-g. Tie to VSS for a pin-compatible replacement of the CD4056B."+      },+      {+        "number": "8",+        "name": "VSS",+        "type": "power_in",+        "description": "Negative supply / ground reference. Voltage range 0 V; all input/output voltages are referenced to VSS."+      },+      {+        "number": "9",+        "name": "a",+        "type": "output",+        "description": "Seven-segment output 'a'. CMOS push-pull driver; capable of driving two low-power TTL loads, two HTL loads, one low-power Schottky load, LCD segment (via square-wave Ph) or LED segment directly. IOL/IOH ~1 mA typ at VDD=5 V."+      },+      {+        "number": "10",+        "name": "b",+        "type": "output",+        "description": "Seven-segment output 'b'. CMOS push-pull segment driver, same characteristics as segment a."+      },+      {+        "number": "11",+        "name": "c",+        "type": "output",+        "description": "Seven-segment output 'c'. CMOS push-pull segment driver."+      },+      {+        "number": "12",+        "name": "d",+        "type": "output",+        "description": "Seven-segment output 'd'. CMOS push-pull segment driver."+      },+      {+        "number": "13",+        "name": "e",+        "type": "output",+        "description": "Seven-segment output 'e'. CMOS push-pull segment driver."+      },+      {+        "number": "14",+        "name": "g",+        "type": "output",+        "description": "Seven-segment output 'g' (center bar). CMOS push-pull segment driver."+      },+      {+        "number": "15",+        "name": "f",+        "type": "output",+        "description": "Seven-segment output 'f'. CMOS push-pull segment driver."+      },+      {+        "number": "16",+        "name": "VDD",+        "type": "power_in",+        "description": "Positive supply. Recommended VDD-VSS = 3 V to 18 V (absolute maximum 20 V). Quiescent IDD 0.04 \u00b5A typ at VDD=5 V."+      }+    ],+    "provenance": {+      "extractor": "ds2sf",+      "datasheet": {+        "url": "https://www.ti.com/lit/ds/symlink/cd4543b.pdf",+        "pages": 20,+        "sha256": "a1121ae23a462a55",+        "source_tier": "mfr"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 16,+        "described": 16,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    }+  },+  "metadata": {+    "specs": {+      "Type": "BCD-to-7-segment latch / decoder / driver",+      "Logic family": "4000B (CMOS)",+      "Display types": "LCD (with phase input) or LED",+      "Features": "Latch, ripple blanking, phase input",+      "Supply voltage": "3 V to 18 V",+      "Operating temperature": "-55 C to 125 C"+    }+  },+  "sections": [+    "hero",+    "viewers",+    "readme",+    "breadcrumbs",+    "info"+  ],+  "discovery_triggers": [+    "BCD to 7-segment",+    "seven-segment driver",+    "LCD digit driver",+    "display decoder"+  ],+  "discovery_pitch": "Latch a BCD digit and drive a 7-segment LED or LCD display, with a phase input for LCD backplane drive.",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  },   "dependencies": {},   "hero": {     "type": "image",@@ -28,10 +193,5 @@     "docs/cd4543-datasheet.pdf",     "viewers/symbol.html",     "viewers/footprint.html"-  ],-  "visibility": "public",-  "author": {-    "name": "Ray",-    "email": "[email protected]"-  }+  ] }\ No newline at end of file