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Contents

README

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SN74HCS02DR

Texas Instruments · Logic Gates · SOIC-14

SN74HCS02DR from Texas Instruments, in a SOIC-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 NOR gate output Y.
2 1A input Channel 1 NOR gate input A, a Schmitt-trigger input that tolerates slow or noisy input signals.
3 1B input Channel 1 NOR gate input B, a Schmitt-trigger input that tolerates slow or noisy input signals.
4 2Y output Channel 2 NOR gate output Y.
5 2A input Channel 2 NOR gate input A, a Schmitt-trigger input that tolerates slow or noisy input signals.
6 2B input Channel 2 NOR gate input B, a Schmitt-trigger input that tolerates slow or noisy input signals.
7 GND power_in Ground reference for the device.
8 3A input Channel 3 NOR gate input A, a Schmitt-trigger input that tolerates slow or noisy input signals.
9 3B input Channel 3 NOR gate input B, a Schmitt-trigger input that tolerates slow or noisy input signals.
10 3Y output Channel 3 NOR gate output Y.
11 4A input Channel 4 NOR gate input A, a Schmitt-trigger input that tolerates slow or noisy input signals.
12 4B input Channel 4 NOR gate input B, a Schmitt-trigger input that tolerates slow or noisy input signals.
13 4Y output Channel 4 NOR gate output Y.
14 VCC power_in Positive supply; the datasheet's recommended VCC range is 2 V to 6 V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-14
Category Logic
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
Supply voltage VCC 2 6 V Over operating free-air temperature range 4
Input voltage VI 0 V Over operating free-air temperature range; max printed as VCC 4
Output voltage VO 0 V Over operating free-air temperature range; max printed as VCC 4
Ambient temperature TA -40 125 °C Over operating free-air temperature range 4
Positive switching threshold VT+ 1.13 1.26 1.37 V VCC = 2 V 4
Positive switching threshold VT+ 2.31 2.47 2.66 V VCC = 4.5 V 4
Positive switching threshold VT+ 2.99 3.18 3.44 V VCC = 6 V 4
Negative switching threshold VT- 0.55 0.62 0.71 V VCC = 2 V 4
Negative switching threshold VT- 1.21 1.36 1.5 V VCC = 4.5 V 4
Negative switching threshold VT- 1.56 1.79 1.99 V VCC = 6 V 4
Hysteresis (VT+ - VT-) ΔVT 0.54 0.64 0.71 V VCC = 2 V 5
Hysteresis (VT+ - VT-) ΔVT 0.94 1.11 1.27 V VCC = 4.5 V 5
Hysteresis (VT+ - VT-) ΔVT 1.2 1.38 1.57 V VCC = 6 V 5
High-level output voltage VOH 4 4.3 V VI = VIH or VIL; IOH = -6 mA; VCC = 4.5 V 5
High-level output voltage VOH 5.4 5.75 V VI = VIH or VIL; IOH = -7.8 mA; VCC = 6 V 5
Low-level output voltage VOL 0.002 0.1 V VI = VIH or VIL; IOL = 20 µA; VCC = 2 V to 6 V 5
Low-level output voltage VOL 0.18 0.3 V VI = VIH or VIL; IOL = 4 mA; VCC = 4.5 V 5
Low-level output voltage VOL 0.22 0.33 V VI = VIH or VIL; IOL = 7.8 mA; VCC = 6 V 5
Input leakage current II -1000 100 1000 nA VI = VCC or 0; VCC = 6 V 5
Supply current ICC 0.1 2 µA VI = VCC or 0, IO = 0; VCC = 6 V 5
Propagation delay tpd 16 36 ns From A or B to Y; VCC = 2 V 5
Propagation delay tpd 7 13 ns From A or B to Y; VCC = 4.5 V 5
Propagation delay tpd 6 12 ns From A or B to Y; VCC = 6 V 5
Transition time tt 7.7 13 ns To Y; VCC = 2 V 5
Transition time tt 4 6.1 ns To Y; VCC = 4.5 V 5
Transition time tt 3.5 5.1 ns To Y; VCC = 6 V 5

CAD (KiCad official)

  • Symbol: SN74HCS02DR
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: sn74hcs02dr-etched.step / sn74hcs02dr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74hcs02dr.step / sn74hcs02dr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (27 pp, sha256 0cccf73423d443c1, retrieved 2026-10-17, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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