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.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLMH1981MTX
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lmh1981mtx.step/lmh1981mtx.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (28 pp, sha256
e5fbb9ad7587bc0c, retrieved 2026-10-07, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).