component
SN74HC154 4-to-16 Decoder
Public Made by Adomby adom
4-to-16 line decoder/demultiplexer with 16 active-low outputs.
← Commit history
page.json+215−8@@ -1,8 +1,11 @@ {+ "schema_version": 1,+ "type": "component", "slug": "sn74hc154",+ "title": "SN74HC154 4-to-16 Decoder",+ "brief": "4-to-16 line decoder/demultiplexer with 16 active-low outputs.", "version": "0.1.0",- "type": "component",- "description": "4-to-16 line decoder/demultiplexer with 16 active-low outputs.",+ "license": "CC-BY-SA-4.0", "tags": [ "logic", "decoder",@@ -11,6 +14,215 @@ "ti", "soic-24" ],+ "component": {+ "mpn": "SN74HC154",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-24",+ "pin_count": 24,+ "category": "Logic",+ "subcategory": "Decoder / Demultiplexer",+ "datasheet": "https://www.ti.com/lit/ds/symlink/cd74hc154.pdf",+ "parts": {+ "symbol": "sn74hc154.kicad_sym",+ "footprint": "sn74hc154.kicad_mod",+ "model_3d": "sn74hc154.glb"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "Y0",+ "type": "output",+ "description": "Active-low decoder output 0. Driven low when E1=E2=L and A[3:0]=0000; otherwise high."+ },+ {+ "number": "2",+ "name": "Y1",+ "type": "output",+ "description": "Active-low decoder output 1. Driven low when E1=E2=L and A[3:0]=0001."+ },+ {+ "number": "3",+ "name": "Y2",+ "type": "output",+ "description": "Active-low decoder output 2. Driven low when E1=E2=L and A[3:0]=0010."+ },+ {+ "number": "4",+ "name": "Y3",+ "type": "output",+ "description": "Active-low decoder output 3. Driven low when E1=E2=L and A[3:0]=0011."+ },+ {+ "number": "5",+ "name": "Y4",+ "type": "output",+ "description": "Active-low decoder output 4. Driven low when E1=E2=L and A[3:0]=0100."+ },+ {+ "number": "6",+ "name": "Y5",+ "type": "output",+ "description": "Active-low decoder output 5. Driven low when E1=E2=L and A[3:0]=0101."+ },+ {+ "number": "7",+ "name": "Y6",+ "type": "output",+ "description": "Active-low decoder output 6. Driven low when E1=E2=L and A[3:0]=0110."+ },+ {+ "number": "8",+ "name": "Y7",+ "type": "output",+ "description": "Active-low decoder output 7. Driven low when E1=E2=L and A[3:0]=0111."+ },+ {+ "number": "9",+ "name": "Y8",+ "type": "output",+ "description": "Active-low decoder output 8. Driven low when E1=E2=L and A[3:0]=1000."+ },+ {+ "number": "10",+ "name": "Y9",+ "type": "output",+ "description": "Active-low decoder output 9. Driven low when E1=E2=L and A[3:0]=1001."+ },+ {+ "number": "11",+ "name": "Y10",+ "type": "output",+ "description": "Active-low decoder output 10. Driven low when E1=E2=L and A[3:0]=1010."+ },+ {+ "number": "12",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference (0 V)."+ },+ {+ "number": "13",+ "name": "Y11",+ "type": "output",+ "description": "Active-low decoder output 11. Driven low when E1=E2=L and A[3:0]=1011."+ },+ {+ "number": "14",+ "name": "Y12",+ "type": "output",+ "description": "Active-low decoder output 12. Driven low when E1=E2=L and A[3:0]=1100."+ },+ {+ "number": "15",+ "name": "Y13",+ "type": "output",+ "description": "Active-low decoder output 13. Driven low when E1=E2=L and A[3:0]=1101."+ },+ {+ "number": "16",+ "name": "Y14",+ "type": "output",+ "description": "Active-low decoder output 14. Driven low when E1=E2=L and A[3:0]=1110."+ },+ {+ "number": "17",+ "name": "Y15",+ "type": "output",+ "description": "Active-low decoder output 15. Driven low when E1=E2=L and A[3:0]=1111."+ },+ {+ "number": "18",+ "name": "E1",+ "type": "input",+ "description": "Active-low enable 1. Both E1 and E2 must be low for a selected output to go low; a high on E1 forces all outputs high. Can be used as data input in demultiplex mode while E2 is held low."+ },+ {+ "number": "19",+ "name": "E2",+ "type": "input",+ "description": "Active-low enable 2. Both E1 and E2 must be low for a selected output to go low; a high on E2 forces all outputs high. Can be used as data input in demultiplex mode while E1 is held low."+ },+ {+ "number": "20",+ "name": "A3",+ "type": "input",+ "description": "Address input bit 3 (MSB) of the 4-bit select code A[3:0] that chooses which of Y0-Y15 is asserted."+ },+ {+ "number": "21",+ "name": "A2",+ "type": "input",+ "description": "Address input bit 2 of the 4-bit select code A[3:0]."+ },+ {+ "number": "22",+ "name": "A1",+ "type": "input",+ "description": "Address input bit 1 of the 4-bit select code A[3:0]."+ },+ {+ "number": "23",+ "name": "A0",+ "type": "input",+ "description": "Address input bit 0 (LSB) of the 4-bit select code A[3:0]."+ },+ {+ "number": "24",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply. HC: 2 V to 6 V. HCT: 4.5 V to 5.5 V."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/cd74hc154.pdf",+ "pages": 14,+ "sha256": "280e5cce6eb56861",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 24,+ "described": 24,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Type": "4-to-16 decoder / demultiplexer",+ "Logic family": "74HC (CMOS)",+ "Outputs": "16, active-low, one-of-sixteen",+ "Supply voltage": "2 V to 6 V",+ "Propagation delay": "20 ns typ at 5 V",+ "Operating temperature": "-40 C to 85 C"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "4-to-16 decoder",+ "1-of-16 decoder",+ "demultiplexer",+ "large address decode"+ ],+ "discovery_pitch": "Decode a 4-bit address to one of sixteen active-low outputs, for large memory maps and keypad or display scanning.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -26,10 +238,5 @@ "docs/sn74hc154-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }