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SN74LVC841APWR
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Texas Instruments Latches, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+60@@ -0,0 +1,60 @@+# SN74LVC841APWR++**Texas Instruments** · Latches · TSSOP-24++SN74LVC841APWR from Texas Instruments, in a TSSOP-24. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | OE | input | Buffered active-low output enable; when high it places all ten outputs in the high-impedance state, and it should be tied to VCC through a pullup resistor to keep the outputs high-Z during power up and power down. |+| 2 | 1D | input | Noninverting data input to latch 1, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices. |+| 3 | 2D | input | Noninverting data input to latch 2, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices. |+| 4 | 3D | input | Noninverting data input to latch 3, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices. |+| 5 | 4D | input | Noninverting data input to latch 4, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices. |+| 6 | 5D | input | Noninverting data input to latch 5, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices. |+| 7 | 6D | input | Noninverting data input to latch 6, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices. |+| 8 | 7D | input | Noninverting data input to latch 7, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices. |+| 9 | 8D | input | Noninverting data input to latch 8, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices. |+| 10 | 9D | input | Noninverting data input to latch 9, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices. |+| 11 | 10D | input | Noninverting data input to latch 10, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices. |+| 12 | GND | power_in | Ground reference for the device. |+| 13 | LE | input | Latch enable: when high the latches are transparent so Q follows D; when low the latches hold the last data (LE falling edge sets the setup and hold timing references). |+| 14 | 10Q | tri_state | Noninverting 3-state output of latch 10, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high. |+| 15 | 9Q | tri_state | Noninverting 3-state output of latch 9, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high. |+| 16 | 8Q | tri_state | Noninverting 3-state output of latch 8, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high. |+| 17 | 7Q | tri_state | Noninverting 3-state output of latch 7, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high. |+| 18 | 6Q | tri_state | Noninverting 3-state output of latch 6, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high. |+| 19 | 5Q | tri_state | Noninverting 3-state output of latch 5, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high. |+| 20 | 4Q | tri_state | Noninverting 3-state output of latch 4, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high. |+| 21 | 3Q | tri_state | Noninverting 3-state output of latch 3, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high. |+| 22 | 2Q | tri_state | Noninverting 3-state output of latch 2, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high. |+| 23 | 1Q | tri_state | Noninverting 3-state output of latch 1, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high. |+| 24 | VCC | power_in | Supply voltage, 1.65 V to 3.6 V operating (data retention down to 1.5 V). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-24 |+| Category | Logic |+| Pins | 24 |++## CAD (KiCad official)++- Symbol: `SN74LVC841APWR`+- Footprint: `Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm`+- 3D model: TSSOP-24 (KiCad packages3D, STEP)+- 3D model files: `sn74lvc841apwr-etched.step` / `sn74lvc841apwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74lvc841apwr.step` / `sn74lvc841apwr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/sn74lvc841a.pdf) (18 pp, sha256 `65bbaf5fefc827e4`, retrieved 2026-10-08, tier: manufacturer)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/sn74lvc841apwr-datasheet.pdf)
page.jsonadded+296@@ -0,0 +1,296 @@+{+ "slug": "sn74lvc841apwr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Latches, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "logic",+ "sn74lvc841apwr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "sn74lvc841apwr.kicad_sym",+ "sn74lvc841apwr.kicad_mod",+ "sn74lvc841apwr.glb",+ "sn74lvc841apwr.step",+ "sn74lvc841apwr.lbr",+ "docs/hero.png",+ "docs/sn74lvc841apwr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "sn74lvc841apwr-hero.glb",+ "sn74lvc841apwr-hero.overlay.json"+ ],+ "component": {+ "mpn": "SN74LVC841APWR",+ "manufacturer": "Texas Instruments",+ "package": "TSSOP-24",+ "pin_count": 24,+ "category": "Logic",+ "subcategory": "Latches",+ "datasheet": "https://www.ti.com/lit/ds/symlink/sn74lvc841a.pdf",+ "parts": {+ "symbol": "sn74lvc841apwr.kicad_sym",+ "footprint": "sn74lvc841apwr.kicad_mod",+ "model_3d": "sn74lvc841apwr-hero.glb",+ "model_3d_plain": "sn74lvc841apwr.glb",+ "model_3d_step": "sn74lvc841apwr-etched.step",+ "model_3d_step_plain": "sn74lvc841apwr.step",+ "lbr": "sn74lvc841apwr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2869177",+ "digikey": "296-8553-2-ND",+ "mouser": "595-SN74LVC841APWR"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T16:49:08Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-8553-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-SN74LVC841APWR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "OE",+ "type": "input",+ "description": "Buffered active-low output enable; when high it places all ten outputs in the high-impedance state, and it should be tied to VCC through a pullup resistor to keep the outputs high-Z during power up and power down."+ },+ {+ "number": "2",+ "name": "1D",+ "type": "input",+ "description": "Noninverting data input to latch 1, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices."+ },+ {+ "number": "3",+ "name": "2D",+ "type": "input",+ "description": "Noninverting data input to latch 2, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices."+ },+ {+ "number": "4",+ "name": "3D",+ "type": "input",+ "description": "Noninverting data input to latch 3, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices."+ },+ {+ "number": "5",+ "name": "4D",+ "type": "input",+ "description": "Noninverting data input to latch 4, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices."+ },+ {+ "number": "6",+ "name": "5D",+ "type": "input",+ "description": "Noninverting data input to latch 5, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices."+ },+ {+ "number": "7",+ "name": "6D",+ "type": "input",+ "description": "Noninverting data input to latch 6, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices."+ },+ {+ "number": "8",+ "name": "7D",+ "type": "input",+ "description": "Noninverting data input to latch 7, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices."+ },+ {+ "number": "9",+ "name": "8D",+ "type": "input",+ "description": "Noninverting data input to latch 8, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices."+ },+ {+ "number": "10",+ "name": "9D",+ "type": "input",+ "description": "Noninverting data input to latch 9, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices."+ },+ {+ "number": "11",+ "name": "10D",+ "type": "input",+ "description": "Noninverting data input to latch 10, accepting up to 5.5 V so it can be driven from 3.3 V or 5 V devices."+ },+ {+ "number": "12",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference for the device."+ },+ {+ "number": "13",+ "name": "LE",+ "type": "input",+ "description": "Latch enable: when high the latches are transparent so Q follows D; when low the latches hold the last data (LE falling edge sets the setup and hold timing references)."+ },+ {+ "number": "14",+ "name": "10Q",+ "type": "tri_state",+ "description": "Noninverting 3-state output of latch 10, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high."+ },+ {+ "number": "15",+ "name": "9Q",+ "type": "tri_state",+ "description": "Noninverting 3-state output of latch 9, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high."+ },+ {+ "number": "16",+ "name": "8Q",+ "type": "tri_state",+ "description": "Noninverting 3-state output of latch 8, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high."+ },+ {+ "number": "17",+ "name": "7Q",+ "type": "tri_state",+ "description": "Noninverting 3-state output of latch 7, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high."+ },+ {+ "number": "18",+ "name": "6Q",+ "type": "tri_state",+ "description": "Noninverting 3-state output of latch 6, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high."+ },+ {+ "number": "19",+ "name": "5Q",+ "type": "tri_state",+ "description": "Noninverting 3-state output of latch 5, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high."+ },+ {+ "number": "20",+ "name": "4Q",+ "type": "tri_state",+ "description": "Noninverting 3-state output of latch 4, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high."+ },+ {+ "number": "21",+ "name": "3Q",+ "type": "tri_state",+ "description": "Noninverting 3-state output of latch 3, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high."+ },+ {+ "number": "22",+ "name": "2Q",+ "type": "tri_state",+ "description": "Noninverting 3-state output of latch 2, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high."+ },+ {+ "number": "23",+ "name": "1Q",+ "type": "tri_state",+ "description": "Noninverting 3-state output of latch 1, rated IOH -24 mA and IOL 24 mA at VCC = 3 V, and high-impedance when OE is high."+ },+ {+ "number": "24",+ "name": "VCC",+ "type": "power_in",+ "description": "Supply voltage, 1.65 V to 3.6 V operating (data retention down to 1.5 V)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The datasheet gives the TSSOP top view as a list of names without an explicit pin-by-pin table. Pin ; The datasheet does not give a pinout separately for the SN74LVC841APWR variant. The PW (TSSOP-24) pi"+ ],+ "pages_sent": 18,+ "cost_usd": 0.0787,+ "at": "2026-10-08T16:48:39"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/sn74lvc841a.pdf",+ "pages": 18,+ "sha256": "65bbaf5fefc827e4",+ "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"+ },+ "models_3d": [+ {+ "file": "sn74lvc841apwr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 7.8,+ 0.97+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "706322f42d9793ebf28d5b80100a68bfa8769998a00b78acadf7af937fc1454f",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "sn74lvc841apwr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 7.8,+ 0.97+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "0f96a2c68e5f3e9fc6fbdb9994b83661c132ecc9a74de42885f7dea374d0255b",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}