# SN74AC32PWR

**Texas Instruments** · Logic ICs · TSSOP-14

SN74AC32PWR from Texas Instruments, in a TSSOP-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1A | input | Gate 1 input A of the 2-input OR gate; unused inputs must be tied to VCC or GND. |
| 2 | 1B | input | Gate 1 input B of the 2-input OR gate; unused inputs must be tied to VCC or GND. |
| 3 | 1Y | output | Gate 1 output, Y = A + B. |
| 4 | 2A | input | Gate 2 input A of the 2-input OR gate; unused inputs must be tied to VCC or GND. |
| 5 | 2B | input | Gate 2 input B of the 2-input OR gate; unused inputs must be tied to VCC or GND. |
| 6 | 2Y | output | Gate 2 output, Y = A + B. |
| 7 | GND | power_in | Ground pin. |
| 8 | 3Y | output | Gate 3 output, Y = A + B. |
| 9 | 3A | input | Gate 3 input A of the 2-input OR gate; unused inputs must be tied to VCC or GND. |
| 10 | 3B | input | Gate 3 input B of the 2-input OR gate; unused inputs must be tied to VCC or GND. |
| 11 | 4Y | output | Gate 4 output, Y = A + B. |
| 12 | 4A | input | Gate 4 input A of the 2-input OR gate; unused inputs must be tied to VCC or GND. |
| 13 | 4B | input | Gate 4 input B of the 2-input OR gate; unused inputs must be tied to VCC or GND. |
| 14 | VCC | power_in | Power pin; supply voltage 2 V to 6 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-14 |
| Category | Logic ICs |
| Pins | 14 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply voltage range | VCC | -0.5 |  | 7 | V |  | 5 |
| Input voltage range | VI | -0.5 |  |  | V | max printed as VCC + 0.5 V | 5 |
| Output voltage range | VO | -0.5 |  |  | V | max printed as VCC + 0.5 V | 5 |
| Input clamp current | IIK | -20 |  | 20 | mA | VI < 0 or VI > VCC | 5 |
| Output clamp current | IOK | -20 |  | 20 | mA | VO < 0 or VO > VCC | 5 |
| Continuous output current | IO | -50 |  | 50 | mA | VO = 0 to VCC | 5 |
| Continuous current through VCC or GND | IO | -200 |  | 200 | mA |  | 5 |
| Storage temperature range | Tstg | -65 |  | 150 | °C |  | 5 |
| Supply voltage | VCC | 2 |  | 6 | V |  | 5 |
| High-level input voltage | VIH | 2.1 |  |  | V | VCC = 3 V | 5 |
| High-level input voltage | VIH | 3.15 |  |  | V | VCC = 4.5 V | 5 |
| High-level input voltage | VIH | 3.85 |  |  | V | VCC = 5.5 V | 5 |
| Low-level input voltage | VIL |  |  | 0.9 | V | VCC = 3 V | 5 |
| Low-level input voltage | VIL |  |  | 1.35 | V | VCC = 4.5 V | 5 |
| Low-level input voltage | VIL |  |  | 1.65 | V | VCC = 5.5 V | 5 |
| Input voltage | VI | 0 |  |  | V | max = VCC | 5 |
| Output voltage | VO | 0 |  |  | V | max = VCC | 5 |
| High-level output current | IOH |  |  | -12 | mA | VCC = 3 V | 5 |
| High-level output current | IOH |  |  | -24 | mA | VCC = 4.5 V | 5 |
| Low-level output current | IOL |  |  | 12 | mA | VCC = 3 V | 5 |
| Low-level output current | IOL |  |  | 24 | mA | VCC = 4.5 V | 5 |
| Input transition rise or fall rate | ∆t/∆v |  |  | 8 | ns/V |  | 5 |
| Operating free-air temperature | TA | -55 |  | 125 | °C |  | 5 |
| High-level output voltage | VOH | 2.9 |  |  | V | IOH = -50µA, VCC = 3 V | 6 |
| High-level output voltage | VOH | 4.4 |  |  | V | IOH = -50µA, VCC = 4.5 V | 6 |
| High-level output voltage | VOH | 5.4 |  |  | V | IOH = -50µA, VCC = 5.5 V | 6 |
| High-level output voltage | VOH | 2.4 |  |  | V | IOH = -12mA, VCC = 3 V | 6 |
| High-level output voltage | VOH | 3.7 |  |  | V | IOH = -24mA, VCC = 4.5 V | 6 |
| High-level output voltage | VOH | 4.7 |  |  | V | IOH = -24mA, VCC = 5.5 V | 6 |
| Low-level output voltage | VOL |  | 0.002 | 0.1 | V | IOL = 50 µA, VCC = 3 V, TA = 25°C typ | 6 |
| Low-level output voltage | VOL |  | 0.001 | 0.1 | V | IOL = 50 µA, VCC = 4.5 V, TA = 25°C typ | 6 |
| Low-level output voltage | VOL |  | 0.36 | 0.5 | V | IOL = 12mA, VCC = 3 V, TA = 25°C typ | 6 |
| Input current | II | -1 |  | 1 | µA | A or B ports, VI = VCC or GND, VCC = 5.5 V | 6 |
| Quiescent supply current | ICC |  | 2 | 40 | µA | VI = VCC or GND, IO = 0, VCC = 5.5 V | 6 |
| Propagation delay low-to-high, VCC = 3.3V ± 0.3V | tPLH | 1 | 7 | 12 | ns | A or B to Y, VCC = 3.3 V ± 0.3 V | 7 |
| Propagation delay high-to-low, VCC = 3.3V ± 0.3V | tPHL | 1 | 7 | 11.5 | ns | A or B to Y, VCC = 3.3 V ± 0.3 V | 7 |
| Propagation delay low-to-high, VCC = 5V ± 0.5V | tPLH | 1 | 5.5 | 9 | ns | A or B to Y, VCC = 5 V ± 0.5 V | 7 |
| Propagation delay high-to-low, VCC = 5V ± 0.5V | tPHL | 1 | 5 | 8.5 | ns | A or B to Y, VCC = 5 V ± 0.5 V | 7 |
| Junction-to-ambient thermal resistance (PW, TSSOP) | RθJA |  | 145.7 |  | °C/W | PW (TSSOP) 14-pin package | 6 |

## CAD (KiCad official)

- Symbol: `SN74AC32PWR`
- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`
- 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files: `sn74ac32pwr-etched.step` / `sn74ac32pwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74ac32pwr.step` / `sn74ac32pwr.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/sn74ac32.pdf) (39 pp, sha256 `812fdbbf4f81846e`, retrieved 2026-10-17, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `off` (skipped (clean text read)), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/sn74ac32pwr-datasheet.pdf)