group
74HC4040 12-Bit Binary Counter
Public Made by Adomby adom
2 interchangeable 74HC4040 parts (12-bit binary counter) from 2 manufacturer(s), 74HC family.
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74hc4040-counters: class group page from component-ocean logic-ics
2 files changed
+90−68
README.md+24@@ -1,3 +1,27 @@ # 74HC4040 12-Bit Binary Counter 2 interchangeable 74HC4040 parts (12-bit binary counter) from 2 manufacturer(s), 74HC family.++Anything on this page is the same logical part: function code **4040** (12-Bit Binary Counter) in the **74HC** family. Pick by package and manufacturer.++## Members++| Part page | Manufacturer | Package |+|---|---|---|+| [MC74HC4040ADTR2G](https://wiki.adom.inc/ray/mc74hc4040adtr2g) | Onsemi (Motorola legacy) | |+| [SN74HC4040](https://wiki.adom.inc/ray/sn74hc4040) | 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+66−68@@ -1,71 +1,69 @@ {- "schema_version": 1,- "slug": "74hc4040-counters",- "type": "component",- "kind": "group",- "version": "0.1.0",- "title": "74HC4040 12-Bit Binary Counter",- "brief": "2 interchangeable 74HC4040 parts (12-bit binary counter) from 2 manufacturer(s), 74HC family.",- "because": "CLASS group page: the shared home for every 74HC4040. A designer who needs a 12-bit binary counter in the 74HC family searches for 74HC4040, not for a vendor's ordering code; the 2 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": "74HC4040 12-Bit Binary Counter",- "subhead": "2 interchangeable parts, one logical function."+ "schema_version": 1,+ "slug": "74hc4040-counters",+ "type": "component",+ "kind": "group",+ "version": "0.1.0",+ "title": "74HC4040 12-Bit Binary Counter",+ "brief": "2 interchangeable 74HC4040 parts (12-bit binary counter) from 2 manufacturer(s), 74HC family.",+ "because": "CLASS group page: the shared home for every 74HC4040. A designer who needs a 12-bit binary counter in the 74HC family searches for 74HC4040, not for a vendor's ordering code; the 2 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": "74HC4040 12-Bit Binary Counter",+ "subhead": "2 interchangeable parts, one logical function."+ },+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ },+ "tags": [+ "logic",+ "74hc",+ "counter"+ ],+ "license": "proprietary",+ "visibility": {+ "public": true+ },+ "sample_prompts": [],+ "discovery_triggers": [+ "74HC4040",+ "74hc4040",+ "74HC4040 12-Bit Binary Counter"+ ],+ "discovery_pitch": "Every 74HC4040 on the wiki, cross-vendor, as one substitutable class.",+ "metadata": {+ "group_tier": "class",+ "member_count": 2,+ "family_id": "74HC4040",+ "logic_family": "74HC",+ "function_code": "4040",+ "function_class": "Counter"+ },+ "component": {+ "mpn": "74HC4040",+ "manufacturer": "",+ "package": "",+ "pin_count": null,+ "category": "Logic ICs",+ "subcategory": "Counter",+ "body_size": null,+ "parts": {},+ "distributor_links": {},+ "logic": {+ "family_id": "74HC4040",+ "logic_family": "74HC",+ "function_code": "4040",+ "function_class": "Counter",+ "function_name": "12-Bit Binary Counter" },- "tags": [- "logic",- "74hc",- "counter"- ],- "license": "proprietary",- "visibility": {- "public": true- },- "sample_prompts": [],- "discovery_triggers": [- "74HC4040",- "74hc4040",- "74HC4040 12-Bit Binary Counter"- ],- "discovery_pitch": "Every 74HC4040 on the wiki, cross-vendor, as one substitutable class.",- "metadata": {- "group_tier": "class",- "member_count": 2,- "family_id": "74HC4040",- "logic_family": "74HC",- "function_code": "4040",- "function_class": "Counter"- },- "component": {- "mpn": "74HC4040",- "manufacturer": "",- "package": "",- "pin_count": null,- "category": "Logic ICs",- "subcategory": "Counter",- "body_size": null,- "parts": {},- "distributor_links": {},- "logic": {- "family_id": "74HC4040",- "logic_family": "74HC",- "function_code": "4040",- "function_class": "Counter",- "function_name": "12-Bit Binary Counter"- },- "group": {- "tier": "class",- "member_count": 2,- "members": [- "MC74HC4040ADTR2G",- "SN74HC4040"- ]- }- },- "author": {- "name": "Ray",- "email": "[email protected]"- },- "created_at": "2026-09-11T14:35:33.456Z",- "updated_at": "2026-09-11T14:35:33.456Z"+ "group": {+ "tier": "class",+ "member_count": 2,+ "members": [+ "MC74HC4040ADTR2G",+ "SN74HC4040"+ ]+ }+ } }