component
74AHC139D
Public Made by Adomby adom
Nexperia Signal Switches, Multiplexers, Decoders, SO-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdown74AHC139D
Nexperia · Signal Switches, Multiplexers, Decoders · SO-16
74AHC139D from Nexperia, in a SO-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 | 1E | input | Enable input for decoder 1, active LOW; when this input is HIGH all outputs 1Y0 to 1Y3 are forced HIGH. |
| 2 | 1A0 | input | Binary-weighted address input (LSB) for decoder 1, decoded to mutually exclusive outputs 1Y0 to 1Y3. |
| 3 | 1A1 | input | Binary-weighted address input (MSB) for decoder 1, decoded to mutually exclusive outputs 1Y0 to 1Y3. |
| 4 | 1Y0 | output | Decoder 1 mutually exclusive output 0; output current limited to -25 mA to +25 mA per the limiting values. |
| 5 | 1Y1 | output | Decoder 1 mutually exclusive output 1; output current limited to -25 mA to +25 mA per the limiting values. |
| 6 | 1Y2 | output | Decoder 1 mutually exclusive output 2; output current limited to -25 mA to +25 mA per the limiting values. |
| 7 | 1Y3 | output | Decoder 1 mutually exclusive output 3; output current limited to -25 mA to +25 mA per the limiting values. |
| 8 | GND | power_in | Ground (0 V) reference for all voltages on the device. |
| 9 | 2Y3 | output | Decoder 2 mutually exclusive output 3; output current limited to -25 mA to +25 mA per the limiting values. |
| 10 | 2Y2 | output | Decoder 2 mutually exclusive output 2; output current limited to -25 mA to +25 mA per the limiting values. |
| 11 | 2Y1 | output | Decoder 2 mutually exclusive output 1; output current limited to -25 mA to +25 mA per the limiting values. |
| 12 | 2Y0 | output | Decoder 2 mutually exclusive output 0; output current limited to -25 mA to +25 mA per the limiting values. |
| 13 | 2A1 | input | Binary-weighted address input (MSB) for decoder 2, decoded to mutually exclusive outputs 2Y0 to 2Y3. |
| 14 | 2A0 | input | Binary-weighted address input (LSB) for decoder 2, decoded to mutually exclusive outputs 2Y0 to 2Y3. |
| 15 | 2E | input | Enable input for decoder 2, active LOW; when this input is HIGH all outputs 2Y0 to 2Y3 are forced HIGH. |
| 16 | VCC | power_in | Supply voltage; 2.0 V to 5.5 V for 74AHC139 and 4.5 V to 5.5 V for 74AHCT139 per the recommended operating conditions. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SO-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 |
|---|---|---|---|---|---|---|---|
| Static: HIGH-level input voltage, VCC = 2.0 V | VIH | 1.5 | V | VCC = 2.0 V; Tamb -40 °C to +125 °C | 5 | ||
| Static: HIGH-level input voltage, VCC = 3.0 V | VIH | 2.1 | V | VCC = 3.0 V; Tamb -40 °C to +125 °C | 5 | ||
| Static: HIGH-level input voltage, VCC = 5.5 V | VIH | 3.85 | V | VCC = 5.5 V; Tamb -40 °C to +125 °C | 5 | ||
| Static: LOW-level input voltage, VCC = 2.0 V | VIL | 0.5 | V | VCC = 2.0 V; Tamb -40 °C to +125 °C | 5 | ||
| Static: LOW-level input voltage, VCC = 3.0 V | VIL | 0.9 | V | VCC = 3.0 V; Tamb -40 °C to +125 °C | 5 | ||
| Static: LOW-level input voltage, VCC = 5.5 V | VIL | 1.65 | V | VCC = 5.5 V; Tamb -40 °C to +125 °C | 5 | ||
| Static: HIGH-level output voltage, IO = -50 μA, VCC = 2.0 V | VOH | 1.9 | 2 | V | VI = VIH or VIL; IO = -50 μA; VCC = 2.0 V; Tamb -40 °C to +125 °C | 5 | |
| Static: HIGH-level output voltage, IO = -50 μA, VCC = 3.0 V | VOH | 2.9 | 3 | V | VI = VIH or VIL; IO = -50 μA; VCC = 3.0 V; Tamb -40 °C to +125 °C | 5 | |
| Static: HIGH-level output voltage, IO = -50 μA, VCC = 4.5 V | VOH | 4.4 | 4.5 | V | VI = VIH or VIL; IO = -50 μA; VCC = 4.5 V; Tamb -40 °C to +125 °C | 5 | |
| Static: HIGH-level output voltage, IO = -4.0 mA, VCC = 3.0 V | VOH | 2.4 | V | VI = VIH or VIL; IO = -4.0 mA; VCC = 3.0 V; Tamb -40 °C to +125 °C | 5 | ||
| Static: HIGH-level output voltage, IO = -8.0 mA, VCC = 4.5 V | VOH | 3.7 | V | VI = VIH or VIL; IO = -8.0 mA; VCC = 4.5 V; Tamb -40 °C to +125 °C | 5 | ||
| Static: LOW-level output voltage, IO = 50 μA, VCC = 2.0 V | VOL | 0 | 0.1 | V | VI = VIH or VIL; IO = 50 μA; VCC = 2.0 V; Tamb -40 °C to +125 °C | 5 | |
| Static: LOW-level output voltage, IO = 50 μA, VCC = 3.0 V | VOL | 0 | 0.1 | V | VI = VIH or VIL; IO = 50 μA; VCC = 3.0 V; Tamb -40 °C to +125 °C | 5 | |
| Static: LOW-level output voltage, IO = 50 μA, VCC = 4.5 V | VOL | 0 | 0.1 | V | VI = VIH or VIL; IO = 50 μA; VCC = 4.5 V; Tamb -40 °C to +125 °C | 5 | |
| Static: LOW-level output voltage, IO = 4.0 mA, VCC = 3.0 V | VOL | 0.55 | V | VI = VIH or VIL; IO = 4.0 mA; VCC = 3.0 V; Tamb -40 °C to +125 °C | 5 | ||
| Static: LOW-level output voltage, IO = 8.0 mA, VCC = 4.5 V | VOL | 0.55 | V | VI = VIH or VIL; IO = 8.0 mA; VCC = 4.5 V; Tamb -40 °C to +125 °C | 5 | ||
| Static: input leakage current | II | 2 | μA | VI = 5.5 V or GND; VCC = 0 V to 5.5 V; Tamb -40 °C to +125 °C | 5 | ||
| Static: supply current | ICC | 80 | μA | VI = VCC or GND; IO = 0 A; VCC = 5.5 V; Tamb -40 °C to +125 °C | 5 | ||
| Static: input capacitance | CI | 3 | 10 | pF | VI = VCC or GND; Tamb -40 °C to +125 °C | 5 | |
| Dynamic: propagation delay nAn to nYn, CL = 15 pF | tpd | 1 | 5.5 | 14 | ns | VCC = 3.0 V to 3.6 V; CL = 15 pF; nAn to nYn; Tamb -40 °C to +125 °C | 7 |
| Dynamic: propagation delay nAn to nYn, CL = 50 pF | tpd | 1 | 7.9 | 18.5 | ns | VCC = 3.0 V to 3.6 V; CL = 50 pF; nAn to nYn; Tamb -40 °C to +125 °C | 7 |
| Dynamic: propagation delay nAn to nYn, CL = 15 pF | tpd | 1 | 3.9 | 9 | ns | VCC = 4.5 V to 5.5 V; CL = 15 pF; nAn to nYn; Tamb -40 °C to +125 °C | 7 |
| Dynamic: propagation delay nAn to nYn, CL = 50 pF | tpd | 1 | 5.6 | 11.5 | ns | VCC = 4.5 V to 5.5 V; CL = 50 pF; nAn to nYn; Tamb -40 °C to +125 °C | 7 |
| Dynamic: propagation delay nE to nYn, CL = 15 pF | tpd | 1 | 4.8 | 11.5 | ns | VCC = 3.0 V to 3.6 V; CL = 15 pF; nE to nYn; Tamb -40 °C to +125 °C | 7 |
| Dynamic: propagation delay nE to nYn, CL = 50 pF | tpd | 1 | 6.9 | 16 | ns | VCC = 3.0 V to 3.6 V; CL = 50 pF; nE to nYn; Tamb -40 °C to +125 °C | 7 |
| Dynamic: propagation delay nE to nYn, CL = 15 pF | tpd | 1 | 3.4 | 8 | ns | VCC = 4.5 V to 5.5 V; CL = 15 pF; nE to nYn; Tamb -40 °C to +125 °C | 7 |
| Dynamic: propagation delay nE to nYn, CL = 50 pF | tpd | 1 | 4.9 | 10.5 | ns | VCC = 4.5 V to 5.5 V; CL = 50 pF; nE to nYn; Tamb -40 °C to +125 °C | 7 |
| Supply voltage | VCC | 2 | 5 | 5.5 | V | 74AHC139 | 4 |
| Input voltage | VI | 0 | 5.5 | V | 4 | ||
| Output voltage | VO | 0 | V | max = VCC | 4 | ||
| Ambient temperature | Tamb | -40 | 25 | 125 | °C | 4 | |
| Input transition rise and fall rate | Δt/ΔV | 100 | ns/V | VCC = 3.0 V to 3.6 V | 4 | ||
| Input transition rise and fall rate | Δt/ΔV | 20 | ns/V | VCC = 4.5 V to 5.5 V | 4 | ||
| Supply voltage (absolute maximum) | VCC | -0.5 | 7 | V | 4 | ||
| Input voltage (absolute maximum) | VI | -0.5 | 7 | V | 4 | ||
| Input clamping current | IIK | -20 | mA | VI < -0.5 V | 4 | ||
| Output clamping current | IOK | -20 | 20 | mA | VO < -0.5 V or VO > VCC + 0.5 V | 4 | |
| Output current | IO | -25 | 25 | mA | VO = -0.5 V to (VCC + 0.5 V) | 4 | |
| Supply current | ICC | 75 | mA | 4 | |||
| Ground current | IGND | -75 | mA | 4 | |||
| Storage temperature | Tstg | -65 | 150 | °C | 4 | ||
| Total power dissipation | Ptot | 500 | mW | Tamb = -40 °C to +125 °C | 4 |
CAD (KiCad official)
- Symbol:
74AHC139D - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SO-16 (KiCad packages3D, STEP)
- 3D model files:
74ahc139d-etched.step/74ahc139d-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74ahc139d.step/74ahc139d.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (14 pp, sha256
fc7e24dfc738e83f, retrieved 2026-10-21, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).