group
74HCT244 Octal Buffer/Driver, Non-Inverting, 3-State
Public Made by Adomby adom
4 interchangeable 74HCT244 parts (octal buffer/driver, non-inverting, 3-state) from 4 manufacturer(s), 74HCT family.
← Commit history
74hct244-buffers: class group page from component-ocean logic-ics
2 files changed
+94−70
README.md+26@@ -1,3 +1,29 @@ # 74HCT244 Octal Buffer/Driver, Non-Inverting, 3-State 4 interchangeable 74HCT244 parts (octal buffer/driver, non-inverting, 3-state) from 3 manufacturer(s), 74HCT family.++Anything on this page is the same logical part: function code **244** (Octal Buffer/Driver, Non-Inverting, 3-State) in the **74HCT** family. Pick by package and manufacturer.++## Members++| Part page | Manufacturer | Package |+|---|---|---|+| [74HCT244PW](https://wiki.adom.inc/ray/74hct244pw) | n/a | |+| [AIP74HCT244TA20-TR](https://wiki.adom.inc/ray/aip74hct244ta20-tr) | Wuxi I-core Elec | |+| [MC74HCT244ADTR2G](https://wiki.adom.inc/ray/mc74hct244adtr2g) | Onsemi (Motorola legacy) | |+| [SN74HCT244PWR](https://wiki.adom.inc/ray/sn74hct244pwr) | Texas Instruments | |++## The 74HCT family++74HC with TTL-compatible input thresholds (Vih ≈ 2.0V at Vcc=5V). Used to interface 5V TTL outputs to CMOS-style logic. Otherwise identical to 74HC.++| | |+|---|---|+| Supply range | 4.5 to 5.5 V (typ. 5.0 V) |+| Input threshold | TTL |+| 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": "74hct244-buffers",- "type": "component",- "kind": "group",- "version": "0.1.0",- "title": "74HCT244 Octal Buffer/Driver, Non-Inverting, 3-State",- "brief": "4 interchangeable 74HCT244 parts (octal buffer/driver, non-inverting, 3-state) from 3 manufacturer(s), 74HCT family.",- "because": "CLASS group page: the shared home for every 74HCT244. A designer who needs a octal buffer/driver, non-inverting, 3-state in the 74HCT family searches for 74HCT244, 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": "74HCT244 Octal Buffer/Driver, Non-Inverting, 3-State",- "subhead": "4 interchangeable parts, one logical function."+ "schema_version": 1,+ "slug": "74hct244-buffers",+ "type": "component",+ "kind": "group",+ "version": "0.1.0",+ "title": "74HCT244 Octal Buffer/Driver, Non-Inverting, 3-State",+ "brief": "4 interchangeable 74HCT244 parts (octal buffer/driver, non-inverting, 3-state) from 3 manufacturer(s), 74HCT family.",+ "because": "CLASS group page: the shared home for every 74HCT244. A designer who needs a octal buffer/driver, non-inverting, 3-state in the 74HCT family searches for 74HCT244, 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": "74HCT244 Octal Buffer/Driver, Non-Inverting, 3-State",+ "subhead": "4 interchangeable parts, one logical function."+ },+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ },+ "tags": [+ "logic",+ "74hct",+ "buffer"+ ],+ "license": "proprietary",+ "visibility": {+ "public": true+ },+ "sample_prompts": [],+ "discovery_triggers": [+ "74HCT244",+ "74hct244",+ "74HCT244 Octal Buffer/Driver, Non-Inverting, 3-State"+ ],+ "discovery_pitch": "Every 74HCT244 on the wiki, cross-vendor, as one substitutable class.",+ "metadata": {+ "group_tier": "class",+ "member_count": 4,+ "family_id": "74HCT244",+ "logic_family": "74HCT",+ "function_code": "244",+ "function_class": "Buffer"+ },+ "component": {+ "mpn": "74HCT244",+ "manufacturer": "",+ "package": "",+ "pin_count": null,+ "category": "Logic ICs",+ "subcategory": "Buffer",+ "body_size": null,+ "parts": {},+ "distributor_links": {},+ "logic": {+ "family_id": "74HCT244",+ "logic_family": "74HCT",+ "function_code": "244",+ "function_class": "Buffer",+ "function_name": "Octal Buffer/Driver, Non-Inverting, 3-State" },- "tags": [- "logic",- "74hct",- "buffer"- ],- "license": "proprietary",- "visibility": {- "public": true- },- "sample_prompts": [],- "discovery_triggers": [- "74HCT244",- "74hct244",- "74HCT244 Octal Buffer/Driver, Non-Inverting, 3-State"- ],- "discovery_pitch": "Every 74HCT244 on the wiki, cross-vendor, as one substitutable class.",- "metadata": {- "group_tier": "class",- "member_count": 4,- "family_id": "74HCT244",- "logic_family": "74HCT",- "function_code": "244",- "function_class": "Buffer"- },- "component": {- "mpn": "74HCT244",- "manufacturer": "",- "package": "",- "pin_count": null,- "category": "Logic ICs",- "subcategory": "Buffer",- "body_size": null,- "parts": {},- "distributor_links": {},- "logic": {- "family_id": "74HCT244",- "logic_family": "74HCT",- "function_code": "244",- "function_class": "Buffer",- "function_name": "Octal Buffer/Driver, Non-Inverting, 3-State"- },- "group": {- "tier": "class",- "member_count": 4,- "members": [- "74HCT244PW",- "AIP74HCT244TA20-TR",- "MC74HCT244ADTR2G",- "SN74HCT244PWR"- ]- }- },- "author": {- "name": "Ray",- "email": "[email protected]"- },- "created_at": "2026-09-11T14:38:24.986Z",- "updated_at": "2026-09-11T14:38:24.986Z"+ "group": {+ "tier": "class",+ "member_count": 4,+ "members": [+ "74HCT244PW",+ "AIP74HCT244TA20-TR",+ "MC74HCT244ADTR2G",+ "SN74HCT244PWR"+ ]+ }+ } }