component
SN74LVC74ADR
Public Made by Adomby adom
Texas Instruments Flip Flops, SOIC-14. Pinout settled in review by an AI reviewer against the manufacturer's datasheet, KiCad symbol/footprint/3D.
← Commit history
page.json+59−53@@ -50,7 +50,7 @@ "pins": [ { "number": "1",- "name": "1CLR",+ "name": "~{1CLR}", "type": "input", "description": "Channel 1 clear input; pulling it low sets the 1Q output low." },@@ -68,7 +68,7 @@ }, { "number": "4",- "name": "1PRE",+ "name": "~{1PRE}", "type": "input", "description": "Channel 1 preset input; pulling it low sets the 1Q output high." },@@ -80,7 +80,7 @@ }, { "number": "6",- "name": "1Q̄",+ "name": "~{1Q}", "type": "output", "description": "Channel 1 inverted output." },@@ -92,7 +92,7 @@ }, { "number": "8",- "name": "2Q̄",+ "name": "~{2Q}", "type": "output", "description": "Channel 2 inverted output." },@@ -104,7 +104,7 @@ }, { "number": "10",- "name": "2PRE",+ "name": "~{2PRE}", "type": "input", "description": "Channel 2 preset input; pulling it low sets the 2Q output high." },@@ -122,7 +122,7 @@ }, { "number": "13",- "name": "2CLR",+ "name": "~{2CLR}", "type": "input", "description": "Channel 2 clear input; pulling it low sets the 2Q output low." },@@ -147,6 +147,12 @@ "described": 14, "cites_pages": true, "refuses_to_fabricate": true+ },+ "correction": {+ "at": "2026-11-06",+ "what": "6 of 14 pins corrected",+ "how": "pinout replaced from review decision: ray (review) (); the previous pinout came from an earlier extraction",+ "symbol": "regenerated from the corrected pinout" } }, "viewers": {@@ -342,7 +348,7 @@ "name": "Storage temperature", "symbol": "Tstg", "kind": "absolute_maximum",- "unit": "°C",+ "unit": "\u00b0C", "min": -65, "typ": null, "max": 150,@@ -378,7 +384,7 @@ "name": "High-level input voltage", "symbol": "VIH", "kind": "recommended_operating",- "unit": "× VCC",+ "unit": "\u00d7 VCC", "min": 0.65, "typ": null, "max": null,@@ -414,7 +420,7 @@ "name": "Low-level input voltage", "symbol": "VIL", "kind": "recommended_operating",- "unit": "× VCC",+ "unit": "\u00d7 VCC", "min": null, "typ": null, "max": 0.35,@@ -568,7 +574,7 @@ }, { "name": "Input transition rise or fall rate",- "symbol": "Δt/Δv",+ "symbol": "\u0394t/\u0394v", "kind": "recommended_operating", "unit": "ns/V", "min": null,@@ -582,7 +588,7 @@ "name": "Operating free-air temperature (SN74LVC74A)", "symbol": "TA", "kind": "recommended_operating",- "unit": "°C",+ "unit": "\u00b0C", "min": -40, "typ": null, "max": 125,@@ -598,7 +604,7 @@ "min": 1.2, "typ": null, "max": null,- "conditions": "IOH = –4 mA, VCC = 1.65 V, TA = –40°C to 125°C (SN74LVC74A only)",+ "conditions": "IOH = \u20134 mA, VCC = 1.65 V, TA = \u201340\u00b0C to 125\u00b0C (SN74LVC74A only)", "source_page": 5, "source": "datasheet" },@@ -610,7 +616,7 @@ "min": 1.7, "typ": null, "max": null,- "conditions": "IOH = –8 mA, VCC = 2.3 V, TA = –40°C to 125°C (SN74LVC74A only)",+ "conditions": "IOH = \u20138 mA, VCC = 2.3 V, TA = \u201340\u00b0C to 125\u00b0C (SN74LVC74A only)", "source_page": 5, "source": "datasheet" },@@ -622,7 +628,7 @@ "min": 2.2, "typ": null, "max": null,- "conditions": "IOH = –12 mA, VCC = 2.7 V",+ "conditions": "IOH = \u201312 mA, VCC = 2.7 V", "source_page": 5, "source": "datasheet" },@@ -634,7 +640,7 @@ "min": 2.4, "typ": null, "max": null,- "conditions": "IOH = –12 mA, VCC = 3 V",+ "conditions": "IOH = \u201312 mA, VCC = 3 V", "source_page": 5, "source": "datasheet" },@@ -646,7 +652,7 @@ "min": null, "typ": null, "max": 0.2,- "conditions": "IOL = 100 µA, VCC = 1.65 V to 3.6 V, TA = –40°C to 125°C (SN74LVC74A only)",+ "conditions": "IOL = 100 \u00b5A, VCC = 1.65 V to 3.6 V, TA = \u201340\u00b0C to 125\u00b0C (SN74LVC74A only)", "source_page": 5, "source": "datasheet" },@@ -658,7 +664,7 @@ "min": null, "typ": null, "max": 0.45,- "conditions": "IOL = 4 mA, VCC = 1.65 V, TA = –40°C to 125°C (SN74LVC74A only)",+ "conditions": "IOL = 4 mA, VCC = 1.65 V, TA = \u201340\u00b0C to 125\u00b0C (SN74LVC74A only)", "source_page": 5, "source": "datasheet" },@@ -670,7 +676,7 @@ "min": null, "typ": null, "max": 0.7,- "conditions": "IOL = 8 mA, VCC = 2.3 V, TA = –40°C to 125°C (SN74LVC74A only)",+ "conditions": "IOL = 8 mA, VCC = 2.3 V, TA = \u201340\u00b0C to 125\u00b0C (SN74LVC74A only)", "source_page": 5, "source": "datasheet" },@@ -702,7 +708,7 @@ "name": "Input current", "symbol": "II", "kind": "electrical",- "unit": "µA",+ "unit": "\u00b5A", "min": -5, "typ": null, "max": 5,@@ -714,7 +720,7 @@ "name": "Supply current", "symbol": "ICC", "kind": "electrical",- "unit": "µA",+ "unit": "\u00b5A", "min": null, "typ": null, "max": 10,@@ -724,13 +730,13 @@ }, { "name": "Change in supply current",- "symbol": "ΔICC",+ "symbol": "\u0394ICC", "kind": "electrical",- "unit": "µA",+ "unit": "\u00b5A", "min": null, "typ": null, "max": 500,- "conditions": "One input at VCC – 0.6 V, other inputs at VCC or GND, VCC = 2.7 V to 3.6 V",+ "conditions": "One input at VCC \u2013 0.6 V, other inputs at VCC or GND, VCC = 2.7 V to 3.6 V", "source_page": 5, "source": "datasheet" },@@ -742,7 +748,7 @@ "min": 150, "typ": null, "max": null,- "conditions": "TA = –40°C to 85°C and VCC = 3.3 V ± 0.3 V",+ "conditions": "TA = \u201340\u00b0C to 85\u00b0C and VCC = 3.3 V \u00b1 0.3 V", "source_page": 7, "source": "datasheet" },@@ -754,7 +760,7 @@ "min": 100, "typ": null, "max": null,- "conditions": "TA = –40°C to 125°C, VCC = 3.3 V ± 0.3 V",+ "conditions": "TA = \u201340\u00b0C to 125\u00b0C, VCC = 3.3 V \u00b1 0.3 V", "source_page": 7, "source": "datasheet" },@@ -766,7 +772,7 @@ "min": 83, "typ": null, "max": null,- "conditions": "TA = –40°C to 125°C, VCC = 2.7 V",+ "conditions": "TA = \u201340\u00b0C to 125\u00b0C, VCC = 2.7 V", "source_page": 7, "source": "datasheet" },@@ -795,19 +801,19 @@ "source": "datasheet" }, {- "name": "Setup time before CLK↑, Data",+ "name": "Setup time before CLK\u2191, Data", "symbol": "tsu", "kind": "timing", "unit": "ns", "min": 3, "typ": null, "max": null,- "conditions": "TA = –40°C to 85°C and VCC = 3.3 V ± 0.3 V",+ "conditions": "TA = \u201340\u00b0C to 85\u00b0C and VCC = 3.3 V \u00b1 0.3 V", "source_page": 7, "source": "datasheet" }, {- "name": "Hold time, data after CLK↑",+ "name": "Hold time, data after CLK\u2191", "symbol": "th", "kind": "timing", "unit": "ns",@@ -819,50 +825,50 @@ "source": "datasheet" }, {- "name": "Propagation delay time, CLK to Q or Q̅",+ "name": "Propagation delay time, CLK to Q or Q\u0305", "symbol": "tpd", "kind": "timing", "unit": "ns", "min": null, "typ": null, "max": 6,- "conditions": "TA = –40°C to 125°C, VCC = 2.7 V",+ "conditions": "TA = \u201340\u00b0C to 125\u00b0C, VCC = 2.7 V", "source_page": 8, "source": "datasheet" }, {- "name": "Propagation delay time, CLK to Q or Q̅",+ "name": "Propagation delay time, CLK to Q or Q\u0305", "symbol": "tpd", "kind": "timing", "unit": "ns", "min": null, "typ": null, "max": 5.2,- "conditions": "TA = –40°C to 125°C, VCC = 3.3 V ± 0.3 V",+ "conditions": "TA = \u201340\u00b0C to 125\u00b0C, VCC = 3.3 V \u00b1 0.3 V", "source_page": 8, "source": "datasheet" }, {- "name": "Propagation delay time, PRE or CLR to Q or Q̅",+ "name": "Propagation delay time, PRE or CLR to Q or Q\u0305", "symbol": "tpd", "kind": "timing", "unit": "ns", "min": null, "typ": null, "max": 6.4,- "conditions": "TA = –40°C to 125°C, VCC = 2.7 V",+ "conditions": "TA = \u201340\u00b0C to 125\u00b0C, VCC = 2.7 V", "source_page": 8, "source": "datasheet" }, {- "name": "Propagation delay time, PRE or CLR to Q or Q̅",+ "name": "Propagation delay time, PRE or CLR to Q or Q\u0305", "symbol": "tpd", "kind": "timing", "unit": "ns", "min": null, "typ": null, "max": 5.4,- "conditions": "TA = –40°C to 125°C, VCC = 3.3 V ± 0.3 V",+ "conditions": "TA = \u201340\u00b0C to 125\u00b0C, VCC = 3.3 V \u00b1 0.3 V", "source_page": 8, "source": "datasheet" },@@ -874,15 +880,15 @@ "min": null, "typ": null, "max": 1,- "conditions": "TA = –40°C to 85°C and VCC = 3.3 V ± 0.3 V",+ "conditions": "TA = \u201340\u00b0C to 85\u00b0C and VCC = 3.3 V \u00b1 0.3 V", "source_page": 8, "source": "datasheet" }, { "name": "Junction-to-ambient thermal resistance (D, SOIC)",- "symbol": "RθJA",+ "symbol": "R\u03b8JA", "kind": "thermal",- "unit": "°C/W",+ "unit": "\u00b0C/W", "min": null, "typ": 127.8, "max": null,@@ -892,9 +898,9 @@ }, { "name": "Junction-to-case (top) thermal resistance (D, SOIC)",- "symbol": "RθJC(top)",+ "symbol": "R\u03b8JC(top)", "kind": "thermal",- "unit": "°C/W",+ "unit": "\u00b0C/W", "min": null, "typ": 54.8, "max": null,@@ -904,9 +910,9 @@ }, { "name": "Junction-to-board thermal resistance (D, SOIC)",- "symbol": "RθJB",+ "symbol": "R\u03b8JB", "kind": "thermal",- "unit": "°C/W",+ "unit": "\u00b0C/W", "min": null, "typ": 48, "max": null,@@ -916,9 +922,9 @@ }, { "name": "Junction-to-top characterization parameter (D, SOIC)",- "symbol": "ψJT",+ "symbol": "\u03c8JT", "kind": "thermal",- "unit": "°C/W",+ "unit": "\u00b0C/W", "min": null, "typ": 20.3, "max": null,@@ -928,9 +934,9 @@ }, { "name": "Junction-to-board characterization parameter (D, SOIC)",- "symbol": "ψJB",+ "symbol": "\u03c8JB", "kind": "thermal",- "unit": "°C/W",+ "unit": "\u00b0C/W", "min": null, "typ": 47.7, "max": null,@@ -946,7 +952,7 @@ "min": null, "typ": 5, "max": null,- "conditions": "VI = VCC or GND, VCC = 3.3 V, TA = 25°C",+ "conditions": "VI = VCC or GND, VCC = 3.3 V, TA = 25\u00b0C", "source_page": 6, "source": "datasheet" }@@ -990,7 +996,7 @@ "sn74lvc74adr-hero.overlay.json", "sn74lvc74adr-etched.glb" ],- "visibility": "public",- "description": "Texas Instruments Flip Flops, SOIC-14. Pinout settled in review by an AI reviewer against the manufacturer's datasheet, KiCad symbol/footprint/3D.",- "org": "adom"-}+ "visibility": {+ "public": true+ }+}