SN74LVC1T45DBVT

@@ -0,0 +1,51 @@+# SN74LVC1T45DBVT++**Texas Instruments** · Buffer/Driver/Transceiver · SOT-23-6++SN74LVC1T45DBVT from Texas Instruments, in a SOT-23-6. 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 supply voltage for the A port (1.65V to 5.5V). Sets the A-port output level and the DIR input threshold. Absolute max 6.5V. |+| 2 | GND | power_in | Device ground reference (0V). |+| 3 | A | bidirectional | A-port data I/O. Output level referenced to VCCA; input threshold also on VCCA side. Drives up to ±24mA at 3.3V. High-impedance when the port is disabled (opposite direction selected) or during VCC-isolation. |+| 4 | B | bidirectional | B-port data I/O. Output level referenced to VCCB; input threshold also on VCCB side. Drives up to ±24mA at 3.3V. High-impedance when the port is disabled or during VCC-isolation. |+| 5 | DIR | input | Direction-control input, referenced to VCCA. DIR=low (GND) enables B→A transmission (A is output); DIR=high (VCCA) enables A→B transmission (B is output). Must be driven high or low; must not float. |+| 6 | VCCB | power_in | SYSTEM-2 supply voltage for the B port (1.65V to 5.5V). Sets the B-port output level and B-port input threshold. Absolute max 6.5V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-6 |+| Category | Logic |+| Pins | 6 |++## Ordering variants++- `SN74LVC1T45DBVTDBVR`+- `SN74LVC1T45DBVT`+- `SN74LVC1T45DBVTDCKR`+- `SN74LVC1T45DBVTDCKT`+- `SN74LVC1T45DBVTDRLR`+- `SN74LVC1T45DBVTDPKR`+- `SN74LVC1T45DBVTYZPR`++## CAD (KiCad official)++- Symbol: `SN74LVC1T45DBVT`+- Footprint: `Package_TO_SOT_SMD:SOT-23-6`+- 3D model: SOT-23-6 (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/sn74lvc1t45.pdf) (42 pp, sha256 `e6fbd84001613995`, 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/sn74lvc1t45dbvt-datasheet.pdf)

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