component
LMH1981MTX
Public Made by Adomby adom
Texas Instruments Clock Generators, PLLs, Frequency Synthesizers, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+50@@ -0,0 +1,50 @@+# LMH1981MTX++**Texas Instruments** · Clock Generators, PLLs, Frequency Synthesizers · TSSOP-14++LMH1981MTX from Texas Instruments, in a TSSOP-14. 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 | REXT | input | External resistor connection for bias current setting |+| 2 | GND | power_in | Ground reference |+| 3 | VCC1 | power_in | Supply voltage input, nominal 3.3V or 5V |+| 4 | VIN | power_in | Video input for composite/component analog signals |+| 5 | GND | power_in | Ground reference |+| 6 | VCC2 | power_in | Supply voltage input, nominal 3.3V or 5V |+| 7 | HSOUT | output | Horizontal Sync output with low jitter on leading edge |+| 8 | VSOUT | output | Vertical Sync output |+| 9 | VFOUT | output | Video Format output as 11-bit serial binary horizontal line count |+| 10 | GND | power_in | Ground reference |+| 11 | VCC3 | power_in | Supply voltage input, nominal 3.3V or 5V |+| 12 | CSOUT | output | Composite Sync output |+| 13 | BPOUT | output | Burst/Back Porch Timing output |+| 14 | OEOUT | output | Odd/Even Field output |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-14 |+| Category | Clock/Timing |+| Pins | 14 |++## CAD (KiCad official)++- Symbol: `LMH1981MTX`+- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`+- 3D model: TSSOP-14 (KiCad packages3D, STEP)+- 3D model files: `lmh1981mtx-etched.step` / `lmh1981mtx-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lmh1981mtx.step` / `lmh1981mtx.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/lmh1981) (28 pp, sha256 `e5fbb9ad7587bc0c`, retrieved 2026-10-07, tier: lcsc)+- **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/lmh1981mtx-datasheet.pdf)
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