# SN74HCS02PWR

**Texas Instruments** · Gates · TSSOP-14

SN74HCS02PWR 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 | 1Y | output | Channel 1 output Y of the quad 2-input NOR gate. |
| 2 | 1A | input | Channel 1 Schmitt-trigger input A. |
| 3 | 1B | input | Channel 1 Schmitt-trigger input B. |
| 4 | 2Y | output | Channel 2 output Y of the quad 2-input NOR gate. |
| 5 | 2A | input | Channel 2 Schmitt-trigger input A. |
| 6 | 2B | input | Channel 2 Schmitt-trigger input B. |
| 7 | GND | power_in | Ground. |
| 8 | 3A | input | Channel 3 Schmitt-trigger input A. |
| 9 | 3B | input | Channel 3 Schmitt-trigger input B. |
| 10 | 3Y | output | Channel 3 output Y of the quad 2-input NOR gate. |
| 11 | 4A | input | Channel 4 Schmitt-trigger input A. |
| 12 | 4B | input | Channel 4 Schmitt-trigger input B. |
| 13 | 4Y | output | Channel 4 output Y of the quad 2-input NOR gate. |
| 14 | VCC | power_in | Positive supply, recommended operating range 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 | VCC | -0.5 |  | 7 | V |  | 4 |
| Input clamp current | IIK | -20 |  | 20 | mA | VI < -0.5 or VI > VCC + 0.5 | 4 |
| Output clamp current | IOK | -20 |  | 20 | mA | VO < -0.5 or VO > VCC + 0.5 | 4 |
| Continuous output current | IO | -35 |  | 35 | mA | VO = 0 to VCC | 4 |
| Continuous current through VCC or GND |  | -70 |  | 70 | mA |  | 4 |
| Junction temperature | TJ |  |  | 150 | °C |  | 4 |
| Storage temperature | Tstg | -65 |  | 150 | °C |  | 4 |
| ESD HBM | V(ESD) | -4000 |  | 4000 | V | Human-body model (HBM), ANSI/ESDA/JEDEC JS-001 | 4 |
| ESD CDM | V(ESD) | -1500 |  | 1500 | V | Charged-device model (CDM), JESD22-C101 | 4 |
| Supply voltage | VCC | 2 |  | 6 | V |  | 4 |
| Input voltage | VI | 0 |  |  | V | max = VCC | 4 |
| Output voltage | VO | 0 |  |  | V | max = VCC | 4 |
| Ambient temperature | TA | -40 |  | 125 | °C |  | 4 |
| Positive switching threshold | VT+ | 1.13 | 1.26 | 1.37 | V | VCC = 2V | 4 |
| Positive switching threshold | VT+ | 2.31 | 2.47 | 2.66 | V | VCC = 4.5V | 4 |
| Positive switching threshold | VT+ | 2.99 | 3.18 | 3.44 | V | VCC = 6V | 4 |
| Negative switching threshold | VT- | 0.55 | 0.62 | 0.71 | V | VCC = 2V | 4 |
| Negative switching threshold | VT- | 1.21 | 1.36 | 1.5 | V | VCC = 4.5V | 4 |
| Negative switching threshold | VT- | 1.56 | 1.79 | 1.99 | V | VCC = 6V | 4 |
| Hysteresis VT+ - VT- | ΔVT | 0.54 | 0.64 | 0.71 | V | VCC = 2V | 5 |
| Hysteresis VT+ - VT- | ΔVT | 0.94 | 1.11 | 1.27 | V | VCC = 4.5V | 5 |
| Hysteresis VT+ - VT- | ΔVT | 1.2 | 1.38 | 1.57 | V | VCC = 6V | 5 |
| High-level output voltage | VOH | 4 | 4.3 |  | V | VI = VIH or VIL, IOH = -6mA, VCC = 4.5V | 5 |
| High-level output voltage | VOH | 5.4 | 5.75 |  | V | VI = VIH or VIL, IOH = -7.8mA, VCC = 6V | 5 |
| Low-level output voltage | VOL |  | 0.002 | 0.1 | V | VI = VIH or VIL, IOL = 20µA, VCC = 2V to 6V | 5 |
| Low-level output voltage | VOL |  | 0.18 | 0.3 | V | VI = VIH or VIL, IOL = 4mA, VCC = 4.5V | 5 |
| Low-level output voltage | VOL |  | 0.22 | 0.33 | V | VI = VIH or VIL, IOL = 7.8mA, VCC = 6V | 5 |
| Input leakage current | II | -1000 | 100 | 1000 | nA | VI = VCC or 0, VCC = 6V | 5 |
| Supply current | ICC |  | 0.1 | 2 | µA | VI = VCC or 0, IO = 0, VCC = 6V | 5 |
| Propagation delay A or B to Y | tpd |  | 16 | 36 | ns | VCC = 2V | 5 |
| Propagation delay A or B to Y | tpd |  | 7 | 13 | ns | VCC = 4.5V | 5 |
| Propagation delay A or B to Y | tpd |  | 6 | 12 | ns | VCC = 6V | 5 |
| Transition time Y | tt |  | 7.7 | 13 | ns | VCC = 2V | 5 |
| Transition time Y | tt |  | 4 | 6.1 | ns | VCC = 4.5V | 5 |
| Transition time Y | tt |  | 3.5 | 5.1 | ns | VCC = 6V | 5 |
| Input capacitance | Ci |  | 5 |  | pF | VCC = 2V to 6V | 5 |
| Power dissipation capacitance per gate | Cpd |  | 10 |  | pF | No load, VCC = 2V to 6V | 5 |

## CAD (KiCad official)

- Symbol: `SN74HCS02PWR`
- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`
- 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files: `sn74hcs02pwr-etched.step` / `sn74hcs02pwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74hcs02pwr.step` / `sn74hcs02pwr.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/sn74hcs02.pdf) (30 pp, sha256 `e4ac5e76460cea7e`, retrieved 2026-10-22, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-sonnet-5-5` (agreed), 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/sn74hcs02pwr-datasheet.pdf)