component
74HC123D
Public Made by Adomby adom
Nexperia Monostable Multivibrators, SOIC-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left)
2 files changed
+507−1
package.json+2−1@@ -24,6 +24,7 @@ "docs/hero.png", "docs/74hc123d-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ] }
pads.jsonadded+505@@ -0,0 +1,505 @@+{+ "schema": "adom.pads/1",+ "slug": "74hc123d",+ "footprint": "SOIC-16_3.9x9.9mm_P1.27mm",+ "generated_from": {+ "footprint": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c",+ "pins": "page.json:component.pins",+ "overrides": null+ },+ "pin1": {+ "pad": "1",+ "at": [+ -2.475,+ -4.445+ ],+ "corner": "top-left",+ "source": "silk-marker",+ "derived_from": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c"+ },+ "pad_count": 16,+ "paste_apertures": 0,+ "issues": [],+ "pads": [+ {+ "pad": "1",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ -4.445+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "1",+ "name": "1A",+ "type": "input",+ "description": "Negative-edge triggered input for monostable 1 (Schmitt-trigger input). A HIGH-to-LOW transition on 1A triggers a pulse when 1B is HIGH and 1RD is HIGH.",+ "is_pin1": true,+ "source": {+ "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "2",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ -3.175+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "2",+ "name": "1B",+ "type": "input",+ "description": "Positive-edge triggered input for monostable 1 (Schmitt-trigger input). A LOW-to-HIGH transition on 1B triggers a pulse when 1A is LOW and 1RD is HIGH.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "3",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ -1.905+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "3",+ "name": "1RD",+ "type": "input",+ "description": "Direct reset (active LOW) and positive-edge triggered input for monostable 1. Driving LOW terminates the output pulse; a LOW-to-HIGH transition can also trigger a pulse.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "4",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ -0.635+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "4",+ "name": "1Q",+ "type": "output",+ "description": "Active LOW inverted output of monostable 1. Complement of 1Q; goes HIGH during the timed output pulse.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "5",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ 0.635+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "5",+ "name": "2Q",+ "type": "output",+ "description": "Active HIGH output of monostable 2. Goes HIGH for the programmed pulse width when triggered.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "6",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ 1.905+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "6",+ "name": "2CEXT",+ "type": "passive",+ "description": "External timing capacitor connection for monostable 2. Connect CEXT between this pin and 2REXT/CEXT (pin 7); pulse width = K x REXT x CEXT.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "7",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ 3.175+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "7",+ "name": "2REXT/CEXT",+ "type": "passive",+ "description": "External timing resistor and capacitor connection for monostable 2. REXT ties from this pin to VCC (2 kOhm to 1000 kOhm typical); CEXT ties from this pin to 2CEXT (pin 6).",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "8",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ 4.445+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference (0 V).",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "9",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ 4.445+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "9",+ "name": "2A",+ "type": "input",+ "description": "Negative-edge triggered input for monostable 2 (Schmitt-trigger input). A HIGH-to-LOW transition on 2A triggers a pulse when 2B is HIGH and 2RD is HIGH.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "10",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ 3.175+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "10",+ "name": "2B",+ "type": "input",+ "description": "Positive-edge triggered input for monostable 2 (Schmitt-trigger input). A LOW-to-HIGH transition on 2B triggers a pulse when 2A is LOW and 2RD is HIGH.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "11",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ 1.905+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "11",+ "name": "2RD",+ "type": "input",+ "description": "Direct reset (active LOW) and positive-edge triggered input for monostable 2. Driving LOW terminates the output pulse; a LOW-to-HIGH transition can also trigger a pulse.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "12",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ 0.635+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "12",+ "name": "2Q",+ "type": "output",+ "description": "Active LOW inverted output of monostable 2. Complement of 2Q; goes HIGH during the timed output pulse.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "13",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ -0.635+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "13",+ "name": "1Q",+ "type": "output",+ "description": "Active HIGH output of monostable 1. Goes HIGH for the programmed pulse width when triggered.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "14",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ -1.905+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "14",+ "name": "1CEXT",+ "type": "passive",+ "description": "External timing capacitor connection for monostable 1. Connect CEXT between this pin and 1REXT/CEXT (pin 15); pulse width = K x REXT x CEXT.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "15",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ -3.175+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "15",+ "name": "1REXT/CEXT",+ "type": "passive",+ "description": "External timing resistor and capacitor connection for monostable 1. REXT ties from this pin to VCC (2 kOhm to 1000 kOhm typical); CEXT ties from this pin to 1CEXT (pin 14).",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "16",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ -4.445+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "16",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply voltage. 2.0 V to 6.0 V (74HC123) or 4.5 V to 5.5 V (74HCT123). Absolute maximum 7 V.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ }+ ]+}