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LMK00804BQWRGTRQ1
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Texas Instruments Clock Buffers, Drivers, VQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+54@@ -0,0 +1,54 @@+# LMK00804BQWRGTRQ1++**Texas Instruments** · Clock Buffers, Drivers · VQFN-16-EP(3x3)++LMK00804BQWRGTRQ1 from Texas Instruments, in a VQFN-16-EP(3x3). 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 | GND | power_in | Power supply ground |+| 2 | NC | unconnected | No connect pin; do not connect to GND |+| 3 | VDD | power_in | Power supply input terminal; supply voltage 3.135 to 3.465 V nominal 3.3 V |+| 4 | CLK_EN | input | Synchronous clock enable input; 0 forces outputs to logic low state, 1 enables outputs with LVCMOS/LVTTL levels |+| 5 | CLK_P | input | Noninverting differential clock input with internal 51-kΩ pulldown resistor to GND; accepts LVPECL, LVDS, HCSL, SSTL, LVHSTL or LVCMOS/LVTTL |+| 6 | CLK_N | input | Inverting differential clock input with internal 51-kΩ pullup resistor to VDD and 51-kΩ pulldown to GND; internally biased to VDD/2 when floating |+| 7 | CLK_SEL | input | Clock select input; 0 selects LVCMOS_CLK (pin 8), 1 selects CLK_P/CLK_N (pins 5, 6) |+| 8 | LVCMOS_CLK | input | Single-ended clock input with internal 51-kΩ pulldown resistor to GND; accepts LVCMOS/LVTTL levels |+| 9 | GND | power_in | Power supply ground |+| 10 | Q3 | output | Single-ended clock output with LVCMOS/LVTTL levels at 7-Ω impedance; maximum frequency 350 MHz |+| 11 | VDDO | power_in | Output power supply terminal; supply voltage 3.135 to 3.465 V, 2.375 to 2.625 V, 1.71 to 1.89 V, or 1.425 to 1.575 V |+| 12 | Q2 | output | Single-ended clock output with LVCMOS/LVTTL levels at 7-Ω impedance; maximum frequency 350 MHz |+| 13 | GND | power_in | Power supply ground |+| 14 | Q1 | output | Single-ended clock output with LVCMOS/LVTTL levels at 7-Ω impedance; maximum frequency 350 MHz |+| 15 | VDDO | power_in | Output power supply terminal; supply voltage 3.135 to 3.465 V, 2.375 to 2.625 V, 1.71 to 1.89 V, or 1.425 to 1.575 V |+| 16 | Q0 | output | Single-ended clock output with LVCMOS/LVTTL levels at 7-Ω impedance; maximum frequency 350 MHz |+| 17 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-16-EP(3x3) |+| Category | RTC/Clock Chip |+| Pins | 17 |++## CAD (KiCad official)++- Symbol: `LMK00804BQWRGTRQ1`+- Footprint: `Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm`+- 3D model: VQFN-16-EP(3x3) (KiCad packages3D, STEP)+- 3D model files: `lmk00804bqwrgtrq1-etched.step` / `lmk00804bqwrgtrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lmk00804bqwrgtrq1.step` / `lmk00804bqwrgtrq1.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/cn/lit/gpn/lmk00804b-q1) (29 pp, sha256 `b58ecb79387c6fb9`, retrieved 2026-10-05, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (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/lmk00804bqwrgtrq1-datasheet.pdf)
page.jsonadded+214@@ -0,0 +1,214 @@+{+ "slug": "lmk00804bqwrgtrq1",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Clock Buffers, Drivers, VQFN-16-EP(3x3). 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do not connect to GND"+ },+ {+ "number": "3",+ "name": "VDD",+ "type": "power_in",+ "description": "Power supply input terminal; supply voltage 3.135 to 3.465 V nominal 3.3 V"+ },+ {+ "number": "4",+ "name": "CLK_EN",+ "type": "input",+ "description": "Synchronous clock enable input; 0 forces outputs to logic low state, 1 enables outputs with LVCMOS/LVTTL levels"+ },+ {+ "number": "5",+ "name": "CLK_P",+ "type": "input",+ "description": "Noninverting differential clock input with internal 51-kΩ pulldown resistor to GND; accepts LVPECL, LVDS, HCSL, SSTL, LVHSTL or LVCMOS/LVTTL"+ },+ {+ "number": "6",+ "name": "CLK_N",+ "type": "input",+ "description": "Inverting differential clock input with internal 51-kΩ pullup resistor to VDD and 51-kΩ pulldown to GND; internally biased to VDD/2 when floating"+ },+ {+ "number": "7",+ "name": "CLK_SEL",+ "type": "input",+ "description": "Clock select input; 0 selects LVCMOS_CLK (pin 8), 1 selects CLK_P/CLK_N (pins 5, 6)"+ },+ {+ "number": "8",+ "name": "LVCMOS_CLK",+ "type": "input",+ "description": "Single-ended clock input with internal 51-kΩ pulldown resistor to GND; accepts LVCMOS/LVTTL levels"+ },+ {+ "number": "9",+ "name": "GND",+ "type": "power_in",+ "description": "Power supply ground"+ },+ {+ "number": "10",+ "name": "Q3",+ "type": "output",+ "description": "Single-ended clock output with LVCMOS/LVTTL levels at 7-Ω impedance; maximum frequency 350 MHz"+ },+ {+ "number": "11",+ "name": "VDDO",+ "type": "power_in",+ "description": "Output power supply terminal; supply voltage 3.135 to 3.465 V, 2.375 to 2.625 V, 1.71 to 1.89 V, or 1.425 to 1.575 V"+ },+ {+ "number": "12",+ "name": "Q2",+ "type": "output",+ "description": "Single-ended clock output with LVCMOS/LVTTL levels at 7-Ω impedance; maximum frequency 350 MHz"+ },+ {+ "number": "13",+ "name": "GND",+ "type": "power_in",+ "description": "Power supply ground"+ },+ {+ "number": "14",+ "name": "Q1",+ "type": "output",+ "description": "Single-ended clock output with LVCMOS/LVTTL levels at 7-Ω impedance; maximum frequency 350 MHz"+ },+ {+ "number": "15",+ "name": "VDDO",+ "type": "power_in",+ "description": "Output power supply terminal; supply voltage 3.135 to 3.465 V, 2.375 to 2.625 V, 1.71 to 1.89 V, or 1.425 to 1.575 V"+ },+ {+ "number": "16",+ "name": "Q0",+ "type": "output",+ "description": "Single-ended clock output with LVCMOS/LVTTL levels at 7-Ω impedance; maximum frequency 350 MHz"+ },+ {+ "number": "17",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "exposed pad 17 added from the footprint"+ ],+ "pages_sent": 9,+ "cost_usd": 0.1023,+ "at": "2026-10-05T20:25:18"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lmk00804b-q1",+ "pages": 29,+ "sha256": "b58ecb79387c6fb9",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 17,+ "described": 17,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}