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CAHCT1G125QDCKRQ1
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Texas Instruments Buffers, Drivers, Receivers, Transceivers, SC-70-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+42@@ -0,0 +1,42 @@+# CAHCT1G125QDCKRQ1++**Texas Instruments** · Buffers, Drivers, Receivers, Transceivers · SC-70-5++CAHCT1G125QDCKRQ1 from Texas Instruments, in a SC-70-5. 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 | Output Enable input; when high, output Y is placed in high-impedance state; when low, output Y follows input A logic level. |+| 2 | A | input | Input A; data input to the single-channel buffer gate. |+| 3 | GND | power_in | Ground pin; connection to ground (negative supply). |+| 4 | Y | tri_state | Output Y; tri-state output that follows input A when OE is low, or enters high-impedance state when OE is high. |+| 5 | VCC | power_in | Power supply pin; connection to positive supply voltage in the range 3 V to 5.5 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SC-70-5 |+| Category | Logic |+| Pins | 5 |++## CAD (KiCad official)++- Symbol: `CAHCT1G125QDCKRQ1`+- Footprint: `Package_TO_SOT_SMD:SOT-353_SC-70-5`+- 3D model: SC-70-5 (KiCad packages3D, STEP)+- 3D model files: `cahct1g125qdckrq1-etched.step` / `cahct1g125qdckrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cahct1g125qdckrq1.step` / `cahct1g125qdckrq1.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/sn74ahct1g125-q1) (26 pp, sha256 `7f18a83f05c6aa9c`, retrieved 2026-09-24, 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 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/cahct1g125qdckrq1-datasheet.pdf)
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