MC74ACT14DR2G

@@ -0,0 +1,62 @@+# MC74ACT14DR2G++**onsemi** · Inverters · SOIC-14++MC74ACT14DR2G from onsemi, in a SOIC-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 | 1A | input | Schmitt-trigger input to inverter 1. TTL-compatible input thresholds: Vt+ = 2.0 V max, Vt- = 0.8 V min at VCC = 4.5-5.5 V, providing ~1.2 V typical hysteresis. |+| 2 | 1Y | output | Inverted CMOS output of gate 1 (Y = /A). Sources/sinks up to 24 mA; VOH >= 4.4 V and VOL <= 0.44 V at VCC = 4.5 V. |+| 3 | 2A | input | Schmitt-trigger input to inverter 2. Same TTL-compatible thresholds and hysteresis as 1A. |+| 4 | 2Y | output | Inverted CMOS output of gate 2 (Y = /A). +/-24 mA drive capability. |+| 5 | 3A | input | Schmitt-trigger input to inverter 3. |+| 6 | 3Y | output | Inverted CMOS output of gate 3 (Y = /A). +/-24 mA drive. |+| 7 | GND | power_in | Ground reference (0 V) for the device. All input/output voltages are referenced to this pin. |+| 8 | 4Y | output | Inverted CMOS output of gate 4 (Y = /A). +/-24 mA drive. |+| 9 | 4A | input | Schmitt-trigger input to inverter 4. |+| 10 | 5Y | output | Inverted CMOS output of gate 5 (Y = /A). +/-24 mA drive. |+| 11 | 5A | input | Schmitt-trigger input to inverter 5. |+| 12 | 6Y | output | Inverted CMOS output of gate 6 (Y = /A). +/-24 mA drive. |+| 13 | 6A | input | Schmitt-trigger input to inverter 6. |+| 14 | VCC | power_in | Positive supply. Recommended VCC = 4.5-5.5 V for the ACT14 (TTL-input) variant; absolute max -0.5 V to +7.0 V. Bypass locally with a 0.1 uF ceramic to GND. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | SOIC-14 |+| Category | Logic |+| Pins | 14 |++## Ordering variants++- `MC74ACT14DR2GD`+- `MC74ACT14DR2GDG`+- `MC74ACT14DR2GDR2`+- `MC74ACT14DR2GDR2G`+- `MC74ACT14DR2GN`+- `MC74ACT14DR2GNG`+- `MC74ACT14DR2GDTR2`+- `MC74ACT14DR2GDTR2G`+- `MC74ACT14DR2GMEL`+- `MC74ACT14DR2GMELG`++## CAD (KiCad official)++- Symbol: `MC74ACT14DR2G`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOIC-14 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/mc74act14-d.pdf) (8 pp, sha256 `df4f1a83cbbb5fc0`, 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/mc74act14dr2g-datasheet.pdf)

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