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SN74LS04D

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Texas Instruments Inverters, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN74LS04D

Texas Instruments · Inverters · SOIC-14

SN74LS04D 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 1A input Inverter 1 input, with VIH min 2 V, VIL max 0.8 V and 7 V maximum input voltage for the SN74LS04.
2 1Y output Inverter 1 output, Y = A inverted, rated for IOL 8 mA and IOH -0.4 mA on the SN74LS04.
3 2A input Inverter 2 input, with VIH min 2 V, VIL max 0.8 V and 7 V maximum input voltage for the SN74LS04.
4 2Y output Inverter 2 output, Y = A inverted, rated for IOL 8 mA and IOH -0.4 mA on the SN74LS04.
5 3A input Inverter 3 input, with VIH min 2 V, VIL max 0.8 V and 7 V maximum input voltage for the SN74LS04.
6 3Y output Inverter 3 output, Y = A inverted, rated for IOL 8 mA and IOH -0.4 mA on the SN74LS04.
7 GND power_in Ground terminal; all supply voltage values are specified with respect to it.
8 4Y output Inverter 4 output, Y = A inverted, rated for IOL 8 mA and IOH -0.4 mA on the SN74LS04.
9 4A input Inverter 4 input, with VIH min 2 V, VIL max 0.8 V and 7 V maximum input voltage for the SN74LS04.
10 5Y output Inverter 5 output, Y = A inverted, rated for IOL 8 mA and IOH -0.4 mA on the SN74LS04.
11 5A input Inverter 5 input, with VIH min 2 V, VIL max 0.8 V and 7 V maximum input voltage for the SN74LS04.
12 6Y output Inverter 6 output, Y = A inverted, rated for IOL 8 mA and IOH -0.4 mA on the SN74LS04.
13 6A input Inverter 6 input, with VIH min 2 V, VIL max 0.8 V and 7 V maximum input voltage for the SN74LS04.
14 VCC power_in Supply voltage, recommended 4.75 V to 5.25 V for the SN74LS04 (absolute maximum 7 V).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-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 4.75 5 5.25 V SN74LS04 6
High-level input voltage VIH 2 V SN74LS04 6
Low-level input voltage VIL 0.8 V SN74LS04 6
High-level output current IOH -0.4 mA SN74LS04 6
Low-level output current IOL 8 mA SN74LS04 6
Operating free-air temperature TA 0 70 °C SN74LS04 6
Input clamp voltage VIK -1.5 V VCC = MIN, II = −18 mA 6
High-level output voltage VOH 2.7 3.4 V VCC = MIN, VIL = MAX, IOH = −0.4 mA 6
Low-level output voltage VOL 0.25 0.4 V VCC = MIN, VIH = 2 V, IOL = 4 mA 6
Input current at max input voltage II 0.1 mA VCC = MAX, VI = 7 V 6
High-level input current IIH 20 µA VCC = MAX, VI = 2.7 V 6
Low-level input current IIL -0.4 mA VCC = MAX, VI = 0.4 V 6
Short-circuit output current IOS -20 -100 mA VCC = MAX 6
Supply current, outputs high ICCH 1.2 2.4 mA VCC = MAX, VI = 0 V 6
Supply current, outputs low ICCL 3.6 6.6 mA VCC = MAX, VI = 4.5 V 6
Propagation delay, low-to-high tPLH 9 15 ns A to Y, RL = 2 kΩ, CL = 15 pF, VCC = 5 V, TA = 25°C 6
Propagation delay, high-to-low tPHL 10 15 ns A to Y, RL = 2 kΩ, CL = 15 pF, VCC = 5 V, TA = 25°C 6
Supply voltage VCC 7 V see Note 1 5
Input voltage VI 7 V 'LS04 5
Storage temperature range Tstg -65 150 °C 5
Package thermal impedance θJA 86 °C/W D package, see Note 2 5

CAD (KiCad official)

  • Symbol: SN74LS04D
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: sn74ls04d-etched.step / sn74ls04d-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ls04d.step / sn74ls04d.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (26 pp, sha256 bedc835335292443, retrieved 2026-10-23, 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