LSF0108PWR

@@ -0,0 +1,64 @@+# LSF0108PWR++**Texas Instruments** · Translators / Level Shifters · TSSOP-20++LSF0108PWR from Texas Instruments, in a TSSOP-20. 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 for the device. |+| 2 | Vref_A | power_in | Reference supply voltage for the low-voltage (A) side. Operational range 0.65 V to (Vref_B - 0.6 V), max 5.5 V. Sets the A-side pass-FET bias level. |+| 3 | A1 | bidirectional | Auto-bidirectional data port channel 1, A-side (low-voltage side). Connects through internal pass-FET switch to B1. Operating I/O range 0 to 5.5 V. |+| 4 | A2 | bidirectional | Auto-bidirectional data port channel 2, A-side. Connects through internal pass-FET switch to B2. |+| 5 | A3 | bidirectional | Auto-bidirectional data port channel 3, A-side. Connects through internal pass-FET switch to B3. |+| 6 | A4 | bidirectional | Auto-bidirectional data port channel 4, A-side. Connects through internal pass-FET switch to B4. |+| 7 | A5 | bidirectional | Auto-bidirectional data port channel 5, A-side. Connects through internal pass-FET switch to B5. |+| 8 | A6 | bidirectional | Auto-bidirectional data port channel 6, A-side. Connects through internal pass-FET switch to B6. |+| 9 | A7 | bidirectional | Auto-bidirectional data port channel 7, A-side. Connects through internal pass-FET switch to B7. |+| 10 | A8 | bidirectional | Auto-bidirectional data port channel 8, A-side. Connects through internal pass-FET switch to B8. |+| 11 | B8 | bidirectional | Auto-bidirectional data port channel 8, B-side (high-voltage side). Connects through internal pass-FET switch to A8. |+| 12 | B7 | bidirectional | Auto-bidirectional data port channel 7, B-side. Connects through internal pass-FET switch to A7. |+| 13 | B6 | bidirectional | Auto-bidirectional data port channel 6, B-side. Connects through internal pass-FET switch to A6. |+| 14 | B5 | bidirectional | Auto-bidirectional data port channel 5, B-side. Connects through internal pass-FET switch to A5. |+| 15 | B4 | bidirectional | Auto-bidirectional data port channel 4, B-side. Connects through internal pass-FET switch to A4. |+| 16 | B3 | bidirectional | Auto-bidirectional data port channel 3, B-side. Connects through internal pass-FET switch to A3. |+| 17 | B2 | bidirectional | Auto-bidirectional data port channel 2, B-side. Connects through internal pass-FET switch to A2. |+| 18 | B1 | bidirectional | Auto-bidirectional data port channel 1, B-side. Connects through internal pass-FET switch to A1. |+| 19 | Vref_B | power_in | Reference supply voltage for the high-voltage (B) side. Must be between Vref_A + 0.6 V and 5.5 V. Sets the B-side pass-FET bias level. |+| 20 | EN | input | Enable input; when high enables the pass-FET switches, when low forces I/O pins to high impedance. Connect to Vref_B through a ~200 kΩ bias resistor. Switch-mode enable voltage is 1.5 V to 5.5 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-20 |+| Category | Logic |+| Pins | 20 |++## Ordering variants++- `LSF0108PWRPW`+- `LSF0108PWRPWR`+- `LSF0108PWRDGS`+- `LSF0108PWRDGSR`+- `LSF0108PWRRKS`+- `LSF0108PWRRKSR`++## CAD (KiCad official)++- Symbol: `LSF0108PWR`+- Footprint: `Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm`+- 3D model: TSSOP-20 (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/lsf0108.pdf) (36 pp, sha256 `9ebaeb18807278a1`, 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/lsf0108pwr-datasheet.pdf)

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