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SN74AHC139DR

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Texas Instruments Signal Switches, Multiplexers, Decoders, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN74AHC139DR

Texas Instruments · Signal Switches, Multiplexers, Decoders · SOIC-16

SN74AHC139DR from Texas Instruments, in a SOIC-16. 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 1G input Channel 1 output enable, active low.
2 1A0 input Channel 1 address select 0.
3 1A1 input Channel 1 address select 1.
4 1Y0 output Channel 1 output 0.
5 1Y1 output Channel 1 output 1.
6 1Y2 output Channel 1 output 2.
7 1Y3 output Channel 1 output 3.
8 GND power_in Ground reference for the device.
9 2Y3 output Channel 2 output 3.
10 2Y2 output Channel 2 output 2.
11 2Y1 output Channel 2 output 1.
12 2Y0 output Channel 2 output 0.
13 2A1 input Channel 2 address select 1.
14 2A0 input Channel 2 address select 0.
15 2G input Channel 2 output enable, active low.
16 VCC power_in Positive supply, operating range 2 V to 5.5 V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-16
Category Logic
Pins 16

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
High-level output voltage VOH 1.9 2 V IOH = -50 µA, VCC = 2 V, TA = 25°C 5
High-level output voltage VOH 2.9 3 V IOH = -50 µA, VCC = 3 V, TA = 25°C 5
High-level output voltage VOH 4.4 4.5 V IOH = -50 µA, VCC = 4.5 V, TA = 25°C 5
High-level output voltage VOH 1.9 V IOH = -50 µA, VCC = 2 V, TA = -40°C TO 125°C 5
High-level output voltage VOH 2.9 V IOH = -50 µA, VCC = 3 V, TA = -40°C TO 125°C 5
High-level output voltage VOH 4.4 V IOH = -50 µA, VCC = 4.5 V, TA = -40°C TO 125°C 5
High-level output voltage VOH 2.58 V IOH = -4 mA, VCC = 3 V, TA = 25°C 5
High-level output voltage VOH 2.48 V IOH = -4 mA, VCC = 3 V, TA = -40°C TO 125°C 5
High-level output voltage VOH 3.94 V IOH = -8 mA, VCC = 4.5 V, TA = 25°C 5
High-level output voltage VOH 3.8 V IOH = -8 mA, VCC = 4.5 V, TA = -40°C TO 125°C 5
Low-level output voltage VOL 0.1 V IOL = 50 µA, VCC = 2 V, TA = 25°C 5
Low-level output voltage VOL 0.36 V IOH = 4 mA, VCC = 3 V, TA = 25°C 5
Low-level output voltage VOL 0.5 V IOH = 4 mA, VCC = 3 V, TA = -40°C TO 125°C 5
Input leakage current II 0.1 µA VI = 5.5 V or GND, VCC = 0 V to 5.5 V, TA = 25°C 5
Input leakage current II -1 1 µA VI = 5.5 V or GND, VCC = 0 V to 5.5 V, TA = -40°C TO 125°C 5
Quiescent supply current ICC 40 µA VI = VCC or GND, IO = 0, VCC = 5.5 V, TA = -40°C TO 125°C 5
Quiescent supply current ICC 4 µA VI = VCC or GND, IO = 0, VCC = 5.5 V, TA = 25°C 5
Input capacitance Ci 10 pF VI = VCC or GND, VCC = 5 V, TA = -40°C TO 125°C 5
Input capacitance Ci 2 pF VI = VCC or GND, VCC = 5 V, TA = 25°C 5
Supply voltage VCC 2 5.5 V 4
High-level input voltage VIH 1.5 V VCC = 2 V 4
High-level input voltage VIH 2.1 V VCC = 3 V 4
High-level input voltage VIH 3.85 V VCC = 5.5 V 4
Low-level input voltage VIL 0.5 V VCC = 2 V 4
Low-level input voltage VIL 0.9 V VCC = 3 V 4
Low-level input voltage VIL 1.65 V VCC = 5.5 V 4
Input voltage VI 0 5.5 V 4
Output voltage VO 0 V 4
High-level output current IOH -50 µA VCC = 2 V 4
High-level output current IOH -4 mA VCC = 3.3 V ± 0.3 V 4
High-level output current IOH -8 mA VCC = 5 V ± 0.5 V 4
Low-level output current IOL 50 µA VCC = 2 V 4
Low-level output current IOL 4 mA VCC = 3.3 V ± 0.3 V 4
Low-level output current IOL 8 mA VCC = 5 V ± 0.5 V 4
Input transition rise or fall rate Δt/Δv 100 ns/V VCC = 3.3 V ± 0.3 V 4
Input transition rise or fall rate Δt/Δv 20 ns/V VCC = 5 V ± 0.5 V 4
Operating free-air temperature TA -40 125 °C 4
Supply voltage VCC -0.5 7 V 4
Input voltage VI -0.5 7 V 4
Output voltage VO -0.5 V upper limit printed as VCC + 0.5 V 4
Input clamp current IIK -20 mA VI < 0 4
Output clamp current IOK -20 20 mA VO < 0 or VO > VCC 4
Continuous output current IO -25 25 mA VO = 0 to VCC 4
Continuous current through VCC or GND -75 75 mA 4
Storage temperature Tstg -65 150 °C 4
Junction-to-ambient thermal resistance RθJA 73 °C/W D (SOIC) package 5

CAD (KiCad official)

  • Symbol: SN74AHC139DR
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: sn74ahc139dr-etched.step / sn74ahc139dr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ahc139dr.step / sn74ahc139dr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (37 pp, sha256 44a38419673a4abe, retrieved 2026-10-27, 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