PCA9306DCUR

@@ -0,0 +1,52 @@+# PCA9306DCUR++**Texas Instruments** · Translators / Level Shifters · VSSOP-8++PCA9306DCUR from Texas Instruments, in a VSSOP-8. 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 | GND | power_in | Ground reference, 0 V. |+| 2 | VREF1 | power_in | Low-voltage-side reference supply voltage for SCL1 and SDA1. Operating range 1.2 V to 3.3 V (absolute max 7 V). |+| 3 | SCL1 | bidirectional | Serial clock, low-voltage side. Open-drain I2C clock line referenced to VREF1. Requires external pull-up resistor to VREF1. |+| 4 | SDA1 | bidirectional | Serial data, low-voltage side. Open-drain I2C data line referenced to VREF1. Requires external pull-up resistor. |+| 5 | SDA2 | bidirectional | Serial data, high-voltage side. Open-drain I2C data line referenced to VREF2 side supply. Requires external pull-up resistor. |+| 6 | SCL2 | bidirectional | Serial clock, high-voltage side. Open-drain I2C clock line referenced to VREF2 side supply. Requires external pull-up resistor. |+| 7 | VREF2 | power_in | High-voltage-side reference supply voltage for SCL2 and SDA2. Operating range 1.8 V to 5.5 V (absolute max 7 V). |+| 8 | EN | input | Switch enable input. EN high enables the translator (SCL1=SCL2, SDA1=SDA2); EN low disconnects the switches, placing SCL/SDA in high-impedance state. Operating range 0 to 5 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VSSOP-8 |+| Category | Logic |+| Pins | 8 |++## Ordering variants++- `PCA9306DCURDCUR`+- `PCA9306DCURDCUT`+- `PCA9306DCURDCTR`+- `PCA9306DCURDCTT`+- `PCA9306DCURDQER`+- `PCA9306DCURYZTR`++## CAD (KiCad official)++- Symbol: `PCA9306DCUR`+- Footprint: `Package_SO:VSSOP-8_2.3x2mm_P0.5mm`+- 3D model: VSSOP-8 (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/pca9306dcur.pdf) (22 pp, sha256 `ca7a67f9c82d010b`, 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/pca9306dcur-datasheet.pdf)

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