SN74HC32 Quad OR Gate

@@ -0,0 +1,62 @@+# SN74HC32++**Texas Instruments** · Logic Gate · SOIC-14++The SN74HC32 contains four independent 2-input OR gates in the 74HC CMOS logic family. Each output goes high when either input is high, useful for combining interrupt or status lines and general glue logic.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | 1A | input | Channel 1, Input A. Logic input for the first 2-input OR gate. VIH >= 4.2 V and VIL <= 1.8 V at VCC = 6 V. |+| 2 | 1B | input | Channel 1, Input B. Second logic input for OR gate 1. Buffered CMOS input; VIH/VIL scale with VCC per Recommended Operating Conditions. |+| 3 | 1Y | output | Channel 1, Output Y. 1Y = 1A + 1B. Drives up to 10 LSTTL loads; VOH >= 5.48 V and VOL <= 0.33 V at VCC = 6 V. |+| 4 | 2A | input | Channel 2, Input A. Logic input for the second 2-input OR gate. |+| 5 | 2B | input | Channel 2, Input B. Second logic input for OR gate 2. |+| 6 | 2Y | output | Channel 2, Output Y. 2Y = 2A + 2B. |+| 7 | GND | power_in | Ground reference (0 V) for the device. Connect to system ground with a low-inductance return. |+| 8 | 3Y | output | Channel 3, Output Y. 3Y = 3A + 3B. |+| 9 | 3A | input | Channel 3, Input A. Logic input for the third 2-input OR gate. |+| 10 | 3B | input | Channel 3, Input B. Second logic input for OR gate 3. |+| 11 | 4Y | output | Channel 4, Output Y. 4Y = 4A + 4B. |+| 12 | 4A | input | Channel 4, Input A. Logic input for the fourth 2-input OR gate. |+| 13 | 4B | input | Channel 4, Input B. Second logic input for OR gate 4. |+| 14 | VCC | power_in | Positive supply. Operating range 2 V to 6 V (5 V nominal); absolute maximum 7 V. Bypass with a 0.1 uF ceramic capacitor to GND close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Type | Quad 2-input OR gate |+| Logic family | 74HC (CMOS) |+| Supply voltage | 2 V to 6 V |+| Output current | +-5.2 mA at VCC = 4.5 V |+| Propagation delay | 9 ns typ at 5 V |+| Operating temperature | -40 C to 85 C |++## Ordering variants++- `SN74HC32D`+- `SN74HC32DB`+- `SN74HC32N`+- `SN74HC32NS`+- `SN74HC32PW`+- `SN74HC32J`+- `SN74HC32W`+- `SN74HC32FK`++## CAD (KiCad official)++- Symbol: `sn74hc32.kicad_sym`+- Footprint: `sn74hc32.kicad_mod`+- 3D model: SOIC-14 body from KiCad `Package_SO/SOIC-14_3.9x8.7mm_P1.27mm`.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/sn74hc32.pdf) (38 pp, sha256 `f64e03a2a4c72baf`, 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/sn74hc32-datasheet.pdf)

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