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SN74AVC2T45DCUR
Public Made by Adomby adom
Texas Instruments Buffers, Drivers, Receivers, Transceivers, VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# SN74AVC2T45DCUR++**Texas Instruments** · Buffers, Drivers, Receivers, Transceivers · VSSOP-8++SN74AVC2T45DCUR from Texas Instruments, in a VSSOP-8. 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 | VCCA | power_in | Supply voltage for the A port; A-side I/O output levels track VCCA, which the recommended operating conditions specify as 1.2 V to 3.6 V. |+| 2 | A1 | bidirectional | Input or output depending on the DIR state; the output level is referenced to VCCA. |+| 3 | A2 | bidirectional | Input or output depending on the DIR state; the output level is referenced to VCCA. |+| 4 | GND | power_in | Device ground; if either VCC input is tied to GND, both ports are placed in the high-impedance state. |+| 5 | DIR | input | Direction control input connected to GND or VCCA; DIR low transfers data from the B bus to the A bus and DIR high transfers data from the A bus to the B bus. |+| 6 | B2 | bidirectional | Input or output depending on the DIR state; the output level is referenced to VCCB. |+| 7 | B1 | bidirectional | Input or output depending on the DIR state; the output level is referenced to VCCB. |+| 8 | VCCB | power_in | Supply voltage for the B port; B-side I/O output levels track VCCB, which the recommended operating conditions specify as 1.2 V to 3.6 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VSSOP-8 |+| Category | Logic |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `SN74AVC2T45DCUR`+- Footprint: `Package_SO:VSSOP-8_2.3x2mm_P0.5mm`+- 3D model: VSSOP-8 (KiCad packages3D, STEP)+- 3D model files: `sn74avc2t45dcur-etched.step` / `sn74avc2t45dcur-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74avc2t45dcur.step` / `sn74avc2t45dcur.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/sn74avc2t45) (38 pp, sha256 `cf78258faf01cf90`, retrieved 2026-10-08, 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-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/sn74avc2t45dcur-datasheet.pdf)
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