group
74HC74 Dual D Flip-Flop with Set/Reset
Public Made by Adomby adom
4 interchangeable 74HC74 parts (dual d flip-flop with set/reset) from 3 manufacturer(s), 74HC family.
← Commit history
74hc74-flip-flops: class group page from component-ocean logic-ics
2 files changed
+94−70
README.md+26@@ -1,3 +1,29 @@ # 74HC74 Dual D Flip-Flop with Set/Reset 4 interchangeable 74HC74 parts (dual d flip-flop with set/reset) from 2 manufacturer(s), 74HC family.++Anything on this page is the same logical part: function code **74** (Dual D Flip-Flop with Set/Reset) in the **74HC** family. Pick by package and manufacturer.++## Members++| Part page | Manufacturer | Package |+|---|---|---|+| [74HC74D](https://wiki.adom.inc/ray/74hc74d) | n/a | |+| [MC74HC74ADR2G](https://wiki.adom.inc/ray/mc74hc74adr2g) | Onsemi (Motorola legacy) | |+| [SN74HC74](https://wiki.adom.inc/ray/sn74hc74) | Texas Instruments | |+| [SN74HC74PWR](https://wiki.adom.inc/ray/sn74hc74pwr) | 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+68−70@@ -1,73 +1,71 @@ {- "schema_version": 1,- "slug": "74hc74-flip-flops",- "type": "component",- "kind": "group",- "version": "0.1.0",- "title": "74HC74 Dual D Flip-Flop with Set/Reset",- "brief": "4 interchangeable 74HC74 parts (dual d flip-flop with set/reset) from 2 manufacturer(s), 74HC family.",- "because": "CLASS group page: the shared home for every 74HC74. A designer who needs a dual d flip-flop with set/reset in the 74HC family searches for 74HC74, not for a vendor's ordering code; the 4 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": "74HC74 Dual D Flip-Flop with Set/Reset",- "subhead": "4 interchangeable parts, one logical function."+ "schema_version": 1,+ "slug": "74hc74-flip-flops",+ "type": "component",+ "kind": "group",+ "version": "0.1.0",+ "title": "74HC74 Dual D Flip-Flop with Set/Reset",+ "brief": "4 interchangeable 74HC74 parts (dual d flip-flop with set/reset) from 2 manufacturer(s), 74HC family.",+ "because": "CLASS group page: the shared home for every 74HC74. A designer who needs a dual d flip-flop with set/reset in the 74HC family searches for 74HC74, not for a vendor's ordering code; the 4 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": "74HC74 Dual D Flip-Flop with Set/Reset",+ "subhead": "4 interchangeable parts, one logical function."+ },+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ },+ "tags": [+ "logic",+ "74hc",+ "flip-flop"+ ],+ "license": "proprietary",+ "visibility": {+ "public": true+ },+ "sample_prompts": [],+ "discovery_triggers": [+ "74HC74",+ "74hc74",+ "74HC74 Dual D Flip-Flop with Set/Reset"+ ],+ "discovery_pitch": "Every 74HC74 on the wiki, cross-vendor, as one substitutable class.",+ "metadata": {+ "group_tier": "class",+ "member_count": 4,+ "family_id": "74HC74",+ "logic_family": "74HC",+ "function_code": "74",+ "function_class": "Flip-Flop"+ },+ "component": {+ "mpn": "74HC74",+ "manufacturer": "",+ "package": "",+ "pin_count": null,+ "category": "Logic ICs",+ "subcategory": "Flip-Flop",+ "body_size": null,+ "parts": {},+ "distributor_links": {},+ "logic": {+ "family_id": "74HC74",+ "logic_family": "74HC",+ "function_code": "74",+ "function_class": "Flip-Flop",+ "function_name": "Dual D Flip-Flop with Set/Reset" },- "tags": [- "logic",- "74hc",- "flip-flop"- ],- "license": "proprietary",- "visibility": {- "public": true- },- "sample_prompts": [],- "discovery_triggers": [- "74HC74",- "74hc74",- "74HC74 Dual D Flip-Flop with Set/Reset"- ],- "discovery_pitch": "Every 74HC74 on the wiki, cross-vendor, as one substitutable class.",- "metadata": {- "group_tier": "class",- "member_count": 4,- "family_id": "74HC74",- "logic_family": "74HC",- "function_code": "74",- "function_class": "Flip-Flop"- },- "component": {- "mpn": "74HC74",- "manufacturer": "",- "package": "",- "pin_count": null,- "category": "Logic ICs",- "subcategory": "Flip-Flop",- "body_size": null,- "parts": {},- "distributor_links": {},- "logic": {- "family_id": "74HC74",- "logic_family": "74HC",- "function_code": "74",- "function_class": "Flip-Flop",- "function_name": "Dual D Flip-Flop with Set/Reset"- },- "group": {- "tier": "class",- "member_count": 4,- "members": [- "74HC74D",- "MC74HC74ADR2G",- "SN74HC74",- "SN74HC74PWR"- ]- }- },- "author": {- "name": "Ray",- "email": "[email protected]"- },- "created_at": "2026-09-11T14:37:51.066Z",- "updated_at": "2026-09-11T14:37:51.066Z"+ "group": {+ "tier": "class",+ "member_count": 4,+ "members": [+ "74HC74D",+ "MC74HC74ADR2G",+ "SN74HC74",+ "SN74HC74PWR"+ ]+ }+ } }