SN74AHC1G125DCKR

@@ -0,0 +1,48 @@+# SN74AHC1G125DCKR++**Texas Instruments** · Buffer/Driver/Transceiver · SC-70-5++SN74AHC1G125DCKR from Texas Instruments, in a SC-70-5. 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 | OE | input | Active-low output enable. When OE is low, the buffer passes A to Y; when OE is high, the Y output is placed in the high-impedance (3-state) condition. Input voltage range 0 V to 5.5 V; VIH = 2.1 V min at VCC = 3 V, 3.85 V min at VCC = 5.5 V. |+| 2 | A | input | Buffer data input. Data at A is passed through to Y when OE is low. Input voltage range 0 V to 5.5 V; input leakage ±1 µA max. Unused inputs must be tied to VCC or GND. |+| 3 | GND | power_in | Device ground reference (0 V). Return for VCC supply and all logic signals. |+| 4 | Y | tri_state | 3-state buffer output. Drives the buffered A signal when OE is low; high-impedance when OE is high. ±8 mA drive at VCC = 4.5 V (±4 mA at 3 V, ±50 µA at 2 V). Off-state leakage (IOZ) ±2.5 µA max. |+| 5 | VCC | power_in | Positive supply voltage. Recommended operating range 2 V to 5.5 V. Supply current ICC = 10 µA max (1 µA typ at 25 °C). Bypass with a local decoupling capacitor to GND. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SC-70-5 |+| Category | Logic |+| Pins | 5 |++## Ordering variants++- `SN74AHC1G125DCKRDCKR`+- `SN74AHC1G125DCKRDCKT`+- `SN74AHC1G125DCKRDBVR`+- `SN74AHC1G125DCKRDBVT`+- `SN74AHC1G125DCKRDRLR`++## CAD (KiCad official)++- Symbol: `SN74AHC1G125DCKR`+- Footprint: `Package_TO_SOT_SMD:SOT-353_SC-70-5`+- 3D model: SC-70-5 (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/sn74ahc1g125.pdf) (27 pp, sha256 `052d22c81db989f4`, 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/sn74ahc1g125dckr-datasheet.pdf)

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