SN74LVC1T45QDCKRQ1

@@ -0,0 +1,48 @@+# SN74LVC1T45QDCKRQ1++**Texas Instruments** · Translators / Level Shifters · SC-70-6++SN74LVC1T45QDCKRQ1 from Texas Instruments, in a SC-70-6. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VCCA | power_in | SYSTEM-1 (A-port) supply voltage, 1.65 V to 5.5 V. Sets the A-port I/O rail and is the reference for the DIR input. If VCCA is at GND, both ports are placed in the high-impedance state. |+| 2 | GND | power_in | Device ground reference (0 V) for both supply rails. |+| 3 | A | bidirectional | A-port data I/O. Output level and input threshold are referenced to VCCA (1.65 V-5.5 V). Drives up to ±24 mA at 3.3 V. Data direction relative to B is set by DIR. |+| 4 | B | bidirectional | B-port data I/O. Output level and input threshold are referenced to VCCB (1.65 V-5.5 V). Drives up to ±24 mA at 3.3 V. Data direction relative to A is set by DIR. |+| 5 | DIR | input | Direction control input, referenced to VCCA. DIR = High selects A→B (A is input, B is output); DIR = Low selects B→A (B is input, A is output). |+| 6 | VCCB | power_in | SYSTEM-2 (B-port) supply voltage, 1.65 V to 5.5 V. Sets the B-port I/O rail. If VCCB is at GND, both ports are placed in the high-impedance state. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SC-70-6 |+| Category | Logic |+| Pins | 6 |++## Ordering variants++Same part, different packaging or reel option.++- `SN74LVC1T45QDCKRQ1`+- `SN74LVC1T45QDCKRQ1DCKT`++## CAD (KiCad official)++- Symbol: `SN74LVC1T45QDCKRQ1`+- Footprint: `Package_TO_SOT_SMD:SOT-363_SC-70-6`+- 3D model: SC-70-6 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/sn74lvc1t45qdckrq1.pdf) (29 pp, sha256 `dde2d43289f87195`, retrieved 2026-08-17, tier: manufacturer)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/sn74lvc1t45qdckrq1-datasheet.pdf)

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