AM26C31IDR

@@ -0,0 +1,65 @@+# AM26C31IDR++**Texas Instruments** · Buffer/Driver/Transceiver · SOIC-16++AM26C31IDR from Texas Instruments, in a SOIC-16. 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 | 1A | input | Driver 1 single-ended input. TTL/CMOS-compatible logic input (VIH ≥ 2 V, VIL ≤ 0.8 V) that drives the differential 1Y/1Z output pair. |+| 2 | 1Y | tri_state | Driver 1 non-inverting differential output. 3-state output capable of ±20 mA drive into a 100 Ω line; forced to high-impedance when the driver is disabled via the enable pins. |+| 3 | 1Z | tri_state | Driver 1 inverted differential output. 3-state complementary output paired with 1Y; goes high-impedance when disabled. |+| 4 | G | input | Active-high output enable, common to all four drivers. When G=H and G-bar=L, all Y/Z outputs are active; otherwise outputs are placed in the high-impedance state. |+| 5 | 2Z | tri_state | Driver 2 inverted differential output. 3-state complementary output paired with 2Y. |+| 6 | 2Y | tri_state | Driver 2 non-inverting differential output. 3-state output paired with 2Z; capable of ±20 mA into a 100 Ω line. |+| 7 | 2A | input | Driver 2 single-ended TTL/CMOS input driving the differential 2Y/2Z output pair. |+| 8 | GND | power_in | Device ground reference (0 V). All voltages are referenced to this network ground terminal. |+| 9 | 3A | input | Driver 3 single-ended TTL/CMOS input driving the differential 3Y/3Z output pair. |+| 10 | 3Y | tri_state | Driver 3 non-inverting differential output. 3-state output paired with 3Z. |+| 11 | 3Z | tri_state | Driver 3 inverted differential output. 3-state complementary output paired with 3Y. |+| 12 | G | input | Active-low output enable (G-bar), common to all four drivers. Must be LOW (and G HIGH) for outputs to be active; otherwise outputs go to high-impedance. |+| 13 | 4Z | tri_state | Driver 4 inverted differential output. 3-state complementary output paired with 4Y. |+| 14 | 4Y | tri_state | Driver 4 non-inverting differential output. 3-state output paired with 4Z. |+| 15 | 4A | input | Driver 4 single-ended TTL/CMOS input driving the differential 4Y/4Z output pair. |+| 16 | VCC | power_in | Positive supply voltage, 4.5 V to 5.5 V (5 V nominal). ICC ≈ 100 µA typical; bypass to GND with a 0.1 µF capacitor close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16 |+| Category | Logic |+| Pins | 16 |++## Ordering variants++- `AM26C31IDRD`+- `AM26C31IDRIDR`+- `AM26C31IDRIDG4`+- `AM26C31IDRDR`+- `AM26C31IDRDB`+- `AM26C31IDRPW`+- `AM26C31IDRNS`+- `AM26C31IDRN`+- `AM26C31IDRJ`+- `AM26C31IDRW`+- `AM26C31IDRFK`++## CAD (KiCad official)++- Symbol: `AM26C31IDR`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (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/am26c31.pdf) (39 pp, sha256 `c5ab343a1319884d`, 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/am26c31idr-datasheet.pdf)

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