component
74HC123PW
Public Made by Adomby adom
Nexperia Monostable Multivibrators, TSSOP-16. Pinout cross-checked by two models against 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/74hc123pw-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": "74hc123pw",+ "footprint": "TSSOP-16_4.4x5mm_P0.65mm",+ "generated_from": {+ "footprint": "TSSOP-16_4.4x5mm_P0.65mm@sha256:fbac79fc5f310754",+ "pins": "page.json:component.pins",+ "overrides": null+ },+ "pin1": {+ "pad": "1",+ "at": [+ -2.8625,+ -2.275+ ],+ "corner": "top-left",+ "source": "silk-marker",+ "derived_from": "TSSOP-16_4.4x5mm_P0.65mm@sha256:fbac79fc5f310754"+ },+ "pad_count": 16,+ "paste_apertures": 0,+ "issues": [],+ "pads": [+ {+ "pad": "1",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.8625,+ -2.275+ ],+ "rot": 0.0,+ "size": [+ 1.475,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "1",+ "name": "1A",+ "type": "input",+ "description": "Negative-edge triggered input for monostable 1 (active-LOW trigger, Schmitt-trigger input).",+ "is_pin1": true,+ "source": {+ "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "2",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.8625,+ -1.625+ ],+ "rot": 0.0,+ "size": [+ 1.475,+ 0.4+ ],+ "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).",+ "is_pin1": false,+ "source": {+ "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "3",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.8625,+ -0.975+ ],+ "rot": 0.0,+ "size": [+ 1.475,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "3",+ "name": "1RD",+ "type": "input",+ "description": "Direct reset input for monostable 1 - active LOW terminates the output pulse; also acts as a positive-edge triggered input.",+ "is_pin1": false,+ "source": {+ "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "4",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.8625,+ -0.325+ ],+ "rot": 0.0,+ "size": [+ 1.475,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "4",+ "name": "1Q_N",+ "type": "output",+ "description": "Active-LOW (inverted) output for monostable 1. Goes LOW during the programmed output pulse.",+ "is_pin1": false,+ "source": {+ "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "5",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.8625,+ 0.325+ ],+ "rot": 0.0,+ "size": [+ 1.475,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "5",+ "name": "2Q",+ "type": "output",+ "description": "Active-HIGH output for monostable 2. Goes HIGH during the programmed output pulse.",+ "is_pin1": false,+ "source": {+ "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "6",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.8625,+ 0.975+ ],+ "rot": 0.0,+ "size": [+ 1.475,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "6",+ "name": "2CEXT",+ "type": "passive",+ "description": "External timing capacitor connection for monostable 2. Together with 2REXT/CEXT sets the output pulse width.",+ "is_pin1": false,+ "source": {+ "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "7",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.8625,+ 1.625+ ],+ "rot": 0.0,+ "size": [+ 1.475,+ 0.4+ ],+ "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 to VCC through the timing resistor; CEXT ties between this pin and 2CEXT.",+ "is_pin1": false,+ "source": {+ "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "8",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.8625,+ 2.275+ ],+ "rot": 0.0,+ "size": [+ 1.475,+ 0.4+ ],+ "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": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "9",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.8625,+ 2.275+ ],+ "rot": 0.0,+ "size": [+ 1.475,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "9",+ "name": "2A",+ "type": "input",+ "description": "Negative-edge triggered input for monostable 2 (active-LOW trigger, Schmitt-trigger input).",+ "is_pin1": false,+ "source": {+ "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "10",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.8625,+ 1.625+ ],+ "rot": 0.0,+ "size": [+ 1.475,+ 0.4+ ],+ "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).",+ "is_pin1": false,+ "source": {+ "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "11",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.8625,+ 0.975+ ],+ "rot": 0.0,+ "size": [+ 1.475,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "11",+ "name": "2RD",+ "type": "input",+ "description": "Direct reset input for monostable 2 - active LOW terminates the output pulse; also acts as a positive-edge triggered input.",+ "is_pin1": false,+ "source": {+ "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "12",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.8625,+ 0.325+ ],+ "rot": 0.0,+ "size": [+ 1.475,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "12",+ "name": "2Q_N",+ "type": "output",+ "description": "Active-LOW (inverted) output for monostable 2. Goes LOW during the programmed output pulse.",+ "is_pin1": false,+ "source": {+ "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "13",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.8625,+ -0.325+ ],+ "rot": 0.0,+ "size": [+ 1.475,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "13",+ "name": "1Q",+ "type": "output",+ "description": "Active-HIGH output for monostable 1. Goes HIGH during the programmed output pulse.",+ "is_pin1": false,+ "source": {+ "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "14",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.8625,+ -0.975+ ],+ "rot": 0.0,+ "size": [+ 1.475,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "14",+ "name": "1CEXT",+ "type": "passive",+ "description": "External timing capacitor connection for monostable 1. Together with 1REXT/CEXT sets the output pulse width.",+ "is_pin1": false,+ "source": {+ "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "15",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.8625,+ -1.625+ ],+ "rot": 0.0,+ "size": [+ 1.475,+ 0.4+ ],+ "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 to VCC through the timing resistor; CEXT ties between this pin and 1CEXT.",+ "is_pin1": false,+ "source": {+ "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "16",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.8625,+ -2.275+ ],+ "rot": 0.0,+ "size": [+ 1.475,+ 0.4+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "16",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply voltage. Operating range 2.0 V to 6.0 V (74HC123) or 4.5 V to 5.5 V (74HCT123).",+ "is_pin1": false,+ "source": {+ "geometry": "TSSOP-16_4.4x5mm_P0.65mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ }+ ]+}