cd74hc238m96

@@ -0,0 +1,61 @@+# CD74HC238M96++**Texas Instruments** · Signal Switches / Encoders & Decoders / Multiplexers · SOIC-16++CD74HC238M96 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 | A0 | input | Address input bit 0. Binary-weighted select input; combined with A1 and A2 selects one of eight outputs Y0-Y7. CMOS input, VIH ≥ 0.7·VCC, VIL ≤ 0.2·VCC. |+| 2 | A1 | input | Address input bit 1. Binary-weighted select input; combined with A0 and A2 selects one of eight outputs Y0-Y7. CMOS input, VIH ≥ 0.7·VCC, VIL ≤ 0.2·VCC. |+| 3 | A2 | input | Address input bit 2 (MSB). Binary-weighted select input; combined with A0 and A1 selects one of eight outputs Y0-Y7. CMOS input, VIH ≥ 0.7·VCC, VIL ≤ 0.2·VCC. |+| 4 | E1 | input | Enable input 1, active LOW. All outputs Y0-Y7 are LOW unless E1 = LOW, E2 = LOW, and E3 = HIGH. |+| 5 | E2 | input | Enable input 2, active LOW. All outputs Y0-Y7 are LOW unless E1 = LOW, E2 = LOW, and E3 = HIGH. |+| 6 | E3 | input | Enable input 3, active HIGH. All outputs Y0-Y7 are LOW unless E1 = LOW, E2 = LOW, and E3 = HIGH. |+| 7 | Y7 | output | Decoded output 7 (A2=1, A1=1, A0=1). Active-HIGH when enabled; otherwise LOW. Push-pull CMOS output, IOL/IOH = ±7.8 mA at VCC = 6 V. |+| 8 | GND | power_in | Ground reference (0 V). Connect to system ground. |+| 9 | Y6 | output | Decoded output 6 (A2=1, A1=1, A0=0). Active-HIGH when enabled; otherwise LOW. Push-pull CMOS output, IOL/IOH = ±7.8 mA at VCC = 6 V. |+| 10 | Y5 | output | Decoded output 5 (A2=1, A1=0, A0=1). Active-HIGH when enabled; otherwise LOW. Push-pull CMOS output, IOL/IOH = ±7.8 mA at VCC = 6 V. |+| 11 | Y4 | output | Decoded output 4 (A2=1, A1=0, A0=0). Active-HIGH when enabled; otherwise LOW. Push-pull CMOS output, IOL/IOH = ±7.8 mA at VCC = 6 V. |+| 12 | Y3 | output | Decoded output 3 (A2=0, A1=1, A0=1). Active-HIGH when enabled; otherwise LOW. Push-pull CMOS output, IOL/IOH = ±7.8 mA at VCC = 6 V. |+| 13 | Y2 | output | Decoded output 2 (A2=0, A1=1, A0=0). Active-HIGH when enabled; otherwise LOW. Push-pull CMOS output, IOL/IOH = ±7.8 mA at VCC = 6 V. |+| 14 | Y1 | output | Decoded output 1 (A2=0, A1=0, A0=1). Active-HIGH when enabled; otherwise LOW. Push-pull CMOS output, IOL/IOH = ±7.8 mA at VCC = 6 V. |+| 15 | Y0 | output | Decoded output 0 (A2=0, A1=0, A0=0). Active-HIGH when enabled; otherwise LOW. Push-pull CMOS output, IOL/IOH = ±7.8 mA at VCC = 6 V. |+| 16 | VCC | power_in | Positive supply voltage, 2 V to 6 V (recommended). Decouple with 0.1 µF ceramic capacitor to GND placed close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16 |+| Category | Logic |+| Pins | 16 |++## Ordering variants++- `CD74HC238M96`+- `CD74HC238M96M`+- `CD74HC238M96MT`+- `CD74HC238M96PW`+- `CD74HC238M96PWR`+- `CD74HC238M96E`+- `CD74HC238M96N`++## CAD (KiCad official)++- Symbol: `CD74HC238M96`+- 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/cd74hc238m96.pdf) (None pp, sha256 `d26b9a1e252903de`, 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/cd74hc238m96-datasheet.pdf)

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