component
74HC164D
Public Made by Adomby adom
Shenzhen Fuman Shifting Register, SOP-14. 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
+447−1
package.json+2−1@@ -24,6 +24,7 @@ "docs/hero.png", "docs/74hc164d-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ] }
pads.jsonadded+445@@ -0,0 +1,445 @@+{+ "schema": "adom.pads/1",+ "slug": "74hc164d",+ "footprint": "SOIC-14_3.9x8.7mm_P1.27mm",+ "generated_from": {+ "footprint": "SOIC-14_3.9x8.7mm_P1.27mm@sha256:a885b619b22880c9",+ "pins": "page.json:component.pins",+ "overrides": null+ },+ "pin1": {+ "pad": "1",+ "at": [+ -2.475,+ -3.81+ ],+ "corner": "top-left",+ "source": "silk-marker",+ "derived_from": "SOIC-14_3.9x8.7mm_P1.27mm@sha256:a885b619b22880c9"+ },+ "pad_count": 14,+ "paste_apertures": 0,+ "issues": [],+ "pads": [+ {+ "pad": "1",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ -3.81+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "1",+ "name": "A",+ "type": "input",+ "description": "Gated serial data input A. ANDed with input B to feed the first flip-flop; a low on either A or B inhibits new data entry and forces the first stage low on the next CLK rising edge.",+ "is_pin1": true,+ "source": {+ "geometry": "SOIC-14_3.9x8.7mm_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,+ -2.54+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "2",+ "name": "B",+ "type": "input",+ "description": "Gated serial data input B. ANDed with input A; must be high to permit A to control the first flip-flop.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-14_3.9x8.7mm_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,+ -1.27+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "3",+ "name": "QA",+ "type": "output",+ "description": "Shift register stage 1 parallel output. Updated on the rising edge of CLK.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-14_3.9x8.7mm_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,+ 0.0+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "4",+ "name": "QB",+ "type": "output",+ "description": "Shift register stage 2 parallel output.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-14_3.9x8.7mm_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,+ 1.27+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "5",+ "name": "QC",+ "type": "output",+ "description": "Shift register stage 3 parallel output.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-14_3.9x8.7mm_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,+ 2.54+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "6",+ "name": "QD",+ "type": "output",+ "description": "Shift register stage 4 parallel output.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-14_3.9x8.7mm_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,+ 3.81+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "7",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference. 0 V return for VDD.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-14_3.9x8.7mm_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,+ 3.81+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "8",+ "name": "CLOCK",+ "type": "input",+ "description": "Shift clock input. Data at A/B is captured on the low-to-high transition of CLK; fmax up to ~25 MHz at VCC=4.5 V (74HC).",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-14_3.9x8.7mm_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,+ 2.54+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "9",+ "name": "CLEAR",+ "type": "input",+ "description": "Asynchronous active-low master clear. When low, all Q outputs are forced low independent of CLK.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-14_3.9x8.7mm_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,+ 1.27+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "10",+ "name": "QE",+ "type": "output",+ "description": "Shift register stage 5 parallel output.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-14_3.9x8.7mm_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,+ 0.0+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "11",+ "name": "QF",+ "type": "output",+ "description": "Shift register stage 6 parallel output.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-14_3.9x8.7mm_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,+ -1.27+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "12",+ "name": "QG",+ "type": "output",+ "description": "Shift register stage 7 parallel output.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-14_3.9x8.7mm_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,+ -2.54+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "13",+ "name": "QH",+ "type": "output",+ "description": "Shift register stage 8 (final) parallel output. Typically used as the serial-out to cascade additional 74HC164 devices.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-14_3.9x8.7mm_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,+ -3.81+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "14",+ "name": "VDD",+ "type": "power_in",+ "description": "Positive supply voltage. Recommended 2 V to 6 V (nominal 5 V); absolute max 7 V.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-14_3.9x8.7mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ }+ ]+}