group
74HC02 Quad 2-Input NOR Gate
Public Made by Adomby adom
6 interchangeable 74HC02 parts (quad 2-input nor gate) from 5 manufacturer(s), 74HC family.
← Commit history
74hc02-gates: class group page from component-ocean logic-ics
2 files changed
+98−72
README.md+28@@ -1,3 +1,31 @@ # 74HC02 Quad 2-Input NOR Gate 6 interchangeable 74HC02 parts (quad 2-input nor gate) from 5 manufacturer(s), 74HC family.++Anything on this page is the same logical part: function code **02** (Quad 2-Input NOR Gate) in the **74HC** family. Pick by package and manufacturer.++## Members++| Part page | Manufacturer | Package |+|---|---|---|+| [74HC02D](https://wiki.adom.inc/ray/74hc02d) | Nexperia | SOIC-14 |+| [74HC02DRG](https://wiki.adom.inc/ray/74hc02drg) | n/a | |+| [74HC02M](https://wiki.adom.inc/ray/74hc02m) | HGSEMI | SOIC-14 |+| [AIP74HC02SA14-TR](https://wiki.adom.inc/ray/aip74hc02sa14-tr) | Wuxi I-core Elec | |+| [MC74HC02ADR2G](https://wiki.adom.inc/ray/mc74hc02adr2g) | Onsemi (Motorola legacy) | |+| [SN74HC02](https://wiki.adom.inc/ray/sn74hc02) | Texas Instruments | |++## The 74HC family++The workhorse CMOS family. Wide supply range, full rail-to-rail outputs, CMOS input thresholds (Vih ≈ 0.7·Vcc). Sometimes marketed as MM74HC by Onsemi/Fairchild and MC74HC by Onsemi.++| | |+|---|---|+| Supply range | 2.0 to 6.0 V (typ. 5.0 V) |+| Input threshold | CMOS |+| 5 V tolerant inputs | no |+| Speed class | fast |++## Provenance++Grouped by component-ocean's logic-ics parser (`definitions/logic-ics/`), which resolves each vendor MPN to a family_id. Membership is recomputed from the published pages; it is not hand-curated.
page.json+70−72@@ -1,75 +1,73 @@ {- "schema_version": 1,- "slug": "74hc02-gates",- "type": "component",- "kind": "group",- "version": "0.1.0",- "title": "74HC02 Quad 2-Input NOR Gate",- "brief": "6 interchangeable 74HC02 parts (quad 2-input nor gate) from 5 manufacturer(s), 74HC family.",- "because": "CLASS group page: the shared home for every 74HC02. A designer who needs a quad 2-input nor gate in the 74HC family searches for 74HC02, not for a vendor's ordering code; the 6 MPN pages below are functionally substitutable and differ only in manufacturer and package. Derived from component-ocean's logic-ics definitions.",- "hero": {- "type": "billboard",- "headline": "74HC02 Quad 2-Input NOR Gate",- "subhead": "6 interchangeable parts, one logical function."+ "schema_version": 1,+ "slug": "74hc02-gates",+ "type": "component",+ "kind": "group",+ "version": "0.1.0",+ "title": "74HC02 Quad 2-Input NOR Gate",+ "brief": "6 interchangeable 74HC02 parts (quad 2-input nor gate) from 5 manufacturer(s), 74HC family.",+ "because": "CLASS group page: the shared home for every 74HC02. A designer who needs a quad 2-input nor gate in the 74HC family searches for 74HC02, not for a vendor's ordering code; the 6 MPN pages below are functionally substitutable and differ only in manufacturer and package. Derived from component-ocean's logic-ics definitions.",+ "hero": {+ "type": "billboard",+ "headline": "74HC02 Quad 2-Input NOR Gate",+ "subhead": "6 interchangeable parts, one logical function."+ },+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ },+ "tags": [+ "logic",+ "74hc",+ "gate"+ ],+ "license": "proprietary",+ "visibility": {+ "public": true+ },+ "sample_prompts": [],+ "discovery_triggers": [+ "74HC02",+ "74hc02",+ "74HC02 Quad 2-Input NOR Gate"+ ],+ "discovery_pitch": "Every 74HC02 on the wiki, cross-vendor, as one substitutable class.",+ "metadata": {+ "group_tier": "class",+ "member_count": 6,+ "family_id": "74HC02",+ "logic_family": "74HC",+ "function_code": "02",+ "function_class": "Gate"+ },+ "component": {+ "mpn": "74HC02",+ "manufacturer": "",+ "package": "",+ "pin_count": null,+ "category": "Logic ICs",+ "subcategory": "Gate",+ "body_size": null,+ "parts": {},+ "distributor_links": {},+ "logic": {+ "family_id": "74HC02",+ "logic_family": "74HC",+ "function_code": "02",+ "function_class": "Gate",+ "function_name": "Quad 2-Input NOR Gate" },- "tags": [- "logic",- "74hc",- "gate"- ],- "license": "proprietary",- "visibility": {- "public": true- },- "sample_prompts": [],- "discovery_triggers": [- "74HC02",- "74hc02",- "74HC02 Quad 2-Input NOR Gate"- ],- "discovery_pitch": "Every 74HC02 on the wiki, cross-vendor, as one substitutable class.",- "metadata": {- "group_tier": "class",- "member_count": 6,- "family_id": "74HC02",- "logic_family": "74HC",- "function_code": "02",- "function_class": "Gate"- },- "component": {- "mpn": "74HC02",- "manufacturer": "",- "package": "",- "pin_count": null,- "category": "Logic ICs",- "subcategory": "Gate",- "body_size": null,- "parts": {},- "distributor_links": {},- "logic": {- "family_id": "74HC02",- "logic_family": "74HC",- "function_code": "02",- "function_class": "Gate",- "function_name": "Quad 2-Input NOR Gate"- },- "group": {- "tier": "class",- "member_count": 6,- "members": [- "74HC02D",- "74HC02DRG",- "74HC02M",- "AIP74HC02SA14-TR",- "MC74HC02ADR2G",- "SN74HC02"- ]- }- },- "author": {- "name": "Ray",- "email": "[email protected]"- },- "created_at": "2026-09-11T14:25:54.027Z",- "updated_at": "2026-09-11T14:25:54.027Z"+ "group": {+ "tier": "class",+ "member_count": 6,+ "members": [+ "74HC02D",+ "74HC02DRG",+ "74HC02M",+ "AIP74HC02SA14-TR",+ "MC74HC02ADR2G",+ "SN74HC02"+ ]+ }+ } }