SN74LVC125APWR

@@ -0,0 +1,59 @@+# SN74LVC125APWR++**Texas Instruments** · Buffer/Driver/Transceiver · TSSOP-14++SN74LVC125APWR from Texas Instruments, in a TSSOP-14. 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 | 1OE | input | Active-low output enable for buffer 1. When high, output 1Y is placed in a high-impedance (Hi-Z) state. VIH threshold is 2V at VCC=2.7-3.6V; inputs tolerate up to 5.5V. |+| 2 | 1A | input | Data input for buffer 1. CMOS logic input, 5.5V tolerant. Drives 1Y when 1OE is low. |+| 3 | 1Y | tri_state | 3-state output for buffer 1. Drives IOH up to -24 mA / IOL up to 24 mA at VCC=3V; Hi-Z when 1OE is high. |+| 4 | 2OE | input | Active-low output enable for buffer 2. When high, output 2Y is placed in a high-impedance state. |+| 5 | 2A | input | Data input for buffer 2. CMOS logic input, 5.5V tolerant. |+| 6 | 2Y | tri_state | 3-state output for buffer 2. Hi-Z when 2OE is high. |+| 7 | GND | power_in | Ground reference (0 V). Return for VCC supply and all logic signals. |+| 8 | 3Y | tri_state | 3-state output for buffer 3. Hi-Z when 3OE is high. |+| 9 | 3A | input | Data input for buffer 3. CMOS logic input, 5.5V tolerant. |+| 10 | 3OE | input | Active-low output enable for buffer 3. When high, output 3Y is placed in a high-impedance state. |+| 11 | 4Y | tri_state | 3-state output for buffer 4. Hi-Z when 4OE is high. |+| 12 | 4A | input | Data input for buffer 4. CMOS logic input, 5.5V tolerant. |+| 13 | 4OE | input | Active-low output enable for buffer 4. When high, output 4Y is placed in a high-impedance state. |+| 14 | VCC | power_in | Positive supply. Operating range 1.65V to 3.6V. Decouple with a 100 nF ceramic capacitor to GND close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-14 |+| Category | Logic |+| Pins | 14 |++## Ordering variants++- `SN74LVC125APWRPW`+- `SN74LVC125APWRPWR`+- `SN74LVC125APWRD`+- `SN74LVC125APWRDB`+- `SN74LVC125APWRNS`+- `SN74LVC125APWRBQA`+- `SN74LVC125APWRRGY`++## CAD (KiCad official)++- Symbol: `SN74LVC125APWR`+- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`+- 3D model: TSSOP-14 (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/sn74lvc125a.pdf) (40 pp, sha256 `e5f2475398050a7d`, 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/sn74lvc125apwr-datasheet.pdf)

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