component
74AHC139PW
Public Made by Adomby adom
Nexperia Signal Switches, Multiplexers, Decoders, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
74AHC139PW
Nexperia · Signal Switches, Multiplexers, Decoders · TSSOP-16
74AHC139PW from Nexperia, in a TSSOP-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 | Active-LOW enable input for decoder 1; when it is HIGH, all decoder 1 outputs (1Y0 to 1Y3) are forced HIGH. |
| 2 | 1A0 | input | Binary-weighted address input for decoder 1, used with 1A1 to select one of outputs 1Y0 to 1Y3. |
| 3 | 1A1 | input | Binary-weighted address input for decoder 1, used with 1A0 to select one of outputs 1Y0 to 1Y3. |
| 4 | 1Y0 | output | Mutually exclusive decoder 1 output, driven LOW when selected with 1E LOW and the matching address code. |
| 5 | 1Y1 | output | Mutually exclusive decoder 1 output, driven LOW when selected with 1E LOW and the matching address code. |
| 6 | 1Y2 | output | Mutually exclusive decoder 1 output, driven LOW when selected with 1E LOW and the matching address code. |
| 7 | 1Y3 | output | Mutually exclusive decoder 1 output, driven LOW when selected with 1E LOW and the matching address code. |
| 8 | GND | power_in | Ground reference pin (0 V) for the device. |
| 9 | 2Y3 | output | Mutually exclusive decoder 2 output, driven LOW when selected with 2E LOW and the matching address code. |
| 10 | 2Y2 | output | Mutually exclusive decoder 2 output, driven LOW when selected with 2E LOW and the matching address code. |
| 11 | 2Y1 | output | Mutually exclusive decoder 2 output, driven LOW when selected with 2E LOW and the matching address code. |
| 12 | 2Y0 | output | Mutually exclusive decoder 2 output, driven LOW when selected with 2E LOW and the matching address code. |
| 13 | 2A1 | input | Binary-weighted address input for decoder 2, used with 2A0 to select one of outputs 2Y0 to 2Y3. |
| 14 | 2A0 | input | Binary-weighted address input for decoder 2, used with 2A1 to select one of outputs 2Y0 to 2Y3. |
| 15 | 2E | input | Active-LOW enable input for decoder 2; when it is HIGH, all decoder 2 outputs (2Y0 to 2Y3) are forced HIGH. |
| 16 | VCC | power_in | Supply voltage pin for the device, referenced to GND. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | TSSOP-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 |
|---|---|---|---|---|---|---|---|
| Supply voltage | VCC | -0.5 | 7 | V | 4 | ||
| Input voltage | 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 | ||
| Supply voltage (74AHC139) | VCC | 2 | 5 | 5.5 | V | 4 | |
| Input voltage (74AHC139) | VI | 0 | 5.5 | V | 4 | ||
| Output voltage (74AHC139) | VO | 0 | V | 4 | |||
| Ambient temperature (74AHC139) | Tamb | -40 | 25 | 125 | °C | 4 | |
| Input transition rise and fall rate (74AHC139) | Δt/ΔV | 100 | ns/V | VCC = 3.0 V to 3.6 V | 4 | ||
| Input transition rise and fall rate (74AHC139) | Δt/ΔV | 20 | ns/V | VCC = 4.5 V to 5.5 V | 4 | ||
| HIGH-level input voltage | VIH | 1.5 | V | VCC = 2.0 V; Tamb = 25 °C | 5 | ||
| HIGH-level input voltage | VIH | 2.1 | V | VCC = 3.0 V; Tamb = 25 °C | 5 | ||
| HIGH-level input voltage | VIH | 3.85 | V | VCC = 5.5 V; Tamb = 25 °C | 5 | ||
| LOW-level input voltage | VIL | 0.5 | V | VCC = 2.0 V; Tamb = 25 °C | 5 | ||
| LOW-level input voltage | VIL | 0.9 | V | VCC = 3.0 V; Tamb = 25 °C | 5 | ||
| LOW-level input voltage | VIL | 1.65 | V | VCC = 5.5 V; Tamb = 25 °C | 5 | ||
| HIGH-level output voltage | VOH | 1.9 | V | VI = VIH or VIL; IO = -50 μA; VCC = 2.0 V; Tamb = 25 °C | 5 | ||
| HIGH-level output voltage | VOH | 2.9 | V | VI = VIH or VIL; IO = -50 μA; VCC = 3.0 V; Tamb = 25 °C | 5 | ||
| HIGH-level output voltage | VOH | 4.4 | V | VI = VIH or VIL; IO = -50 μA; VCC = 4.5 V; Tamb = 25 °C | 5 | ||
| HIGH-level output voltage | VOH | 2.58 | V | VI = VIH or VIL; IO = -4.0 mA; VCC = 3.0 V; Tamb = 25 °C | 5 | ||
| HIGH-level output voltage | VOH | 3.94 | V | VI = VIH or VIL; IO = -8.0 mA; VCC = 4.5 V; Tamb = 25 °C | 5 | ||
| LOW-level output voltage | VOL | 0.1 | V | VI = VIH or VIL; IO = 50 μA; VCC = 2.0 V; Tamb = 25 °C | 5 | ||
| LOW-level output voltage | VOL | 0.36 | V | VI = VIH or VIL; IO = 4.0 mA; VCC = 3.0 V; Tamb = 25 °C | 5 | ||
| Input leakage current | II | 0.1 | μA | VI = 5.5 V or GND; VCC = 0 V to 5.5 V; Tamb = 25 °C | 5 | ||
| Supply current | ICC | 4 | μA | VI = VCC or GND; IO = 0 A; VCC = 5.5 V; Tamb = 25 °C | 5 | ||
| HIGH-level output voltage | VOH | 2.4 | V | VI = VIH or VIL; IO = -4.0 mA; VCC = 3.0 V; Tamb = -40 °C to +125 °C | 5 | ||
| HIGH-level output voltage | VOH | 3.7 | V | VI = VIH or VIL; IO = -8.0 mA; VCC = 4.5 V; Tamb = -40 °C to +125 °C | 5 | ||
| LOW-level output voltage | VOL | 0.55 | V | VI = VIH or VIL; IO = 4.0 mA; VCC = 3.0 V; Tamb = -40 °C to +125 °C | 5 | ||
| 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 | ||
| Supply current | ICC | 80 | μA | VI = VCC or GND; IO = 0 A; VCC = 5.5 V; Tamb = -40 °C to +125 °C | 5 | ||
| Input capacitance | CI | 10 | pF | VI = VCC or GND; Tamb = -40 °C to +125 °C | 5 | ||
| Propagation delay nAn to nYn | tpd | 1 | 14 | ns | VCC = 3.0 V to 3.6 V; CL = 15 pF; Tamb = -40 °C to +125 °C | 7 | |
| Propagation delay nAn to nYn | tpd | 1 | 18.5 | ns | VCC = 3.0 V to 3.6 V; CL = 50 pF; Tamb = -40 °C to +125 °C | 7 | |
| Propagation delay nAn to nYn | tpd | 1 | 9 | ns | VCC = 4.5 V to 5.5 V; CL = 15 pF; Tamb = -40 °C to +125 °C | 7 | |
| Propagation delay nAn to nYn | tpd | 1 | 11.5 | ns | VCC = 4.5 V to 5.5 V; CL = 50 pF; Tamb = -40 °C to +125 °C | 7 | |
| Propagation delay nE to nYn | tpd | 1 | 11.5 | ns | VCC = 3.0 V to 3.6 V; CL = 15 pF; Tamb = -40 °C to +125 °C | 7 | |
| Propagation delay nE to nYn | tpd | 1 | 16 | ns | VCC = 3.0 V to 3.6 V; CL = 50 pF; Tamb = -40 °C to +125 °C | 7 | |
| Propagation delay nE to nYn | tpd | 1 | 8 | ns | VCC = 4.5 V to 5.5 V; CL = 15 pF; Tamb = -40 °C to +125 °C | 7 | |
| Propagation delay nE to nYn | tpd | 1 | 10.5 | ns | VCC = 4.5 V to 5.5 V; CL = 50 pF; Tamb = -40 °C to +125 °C | 7 |
CAD (KiCad official)
- Symbol:
74AHC139PW - Footprint:
Package_SO:TSSOP-16_4.4x5mm_P0.65mm - 3D model: TSSOP-16 (KiCad packages3D, STEP)
- 3D model files:
74ahc139pw-etched.step/74ahc139pw-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74ahc139pw.step/74ahc139pw.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (14 pp, sha256
fc7e24dfc738e83f, retrieved 2026-10-19, tier: lcsc) - 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).
# 74AHC139PW
**Nexperia** · Signal Switches, Multiplexers, Decoders · TSSOP-16
74AHC139PW from Nexperia, in a TSSOP-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 | Active-LOW enable input for decoder 1; when it is HIGH, all decoder 1 outputs (1Y0 to 1Y3) are forced HIGH. |
| 2 | 1A0 | input | Binary-weighted address input for decoder 1, used with 1A1 to select one of outputs 1Y0 to 1Y3. |
| 3 | 1A1 | input | Binary-weighted address input for decoder 1, used with 1A0 to select one of outputs 1Y0 to 1Y3. |
| 4 | 1Y0 | output | Mutually exclusive decoder 1 output, driven LOW when selected with 1E LOW and the matching address code. |
| 5 | 1Y1 | output | Mutually exclusive decoder 1 output, driven LOW when selected with 1E LOW and the matching address code. |
| 6 | 1Y2 | output | Mutually exclusive decoder 1 output, driven LOW when selected with 1E LOW and the matching address code. |
| 7 | 1Y3 | output | Mutually exclusive decoder 1 output, driven LOW when selected with 1E LOW and the matching address code. |
| 8 | GND | power_in | Ground reference pin (0 V) for the device. |
| 9 | 2Y3 | output | Mutually exclusive decoder 2 output, driven LOW when selected with 2E LOW and the matching address code. |
| 10 | 2Y2 | output | Mutually exclusive decoder 2 output, driven LOW when selected with 2E LOW and the matching address code. |
| 11 | 2Y1 | output | Mutually exclusive decoder 2 output, driven LOW when selected with 2E LOW and the matching address code. |
| 12 | 2Y0 | output | Mutually exclusive decoder 2 output, driven LOW when selected with 2E LOW and the matching address code. |
| 13 | 2A1 | input | Binary-weighted address input for decoder 2, used with 2A0 to select one of outputs 2Y0 to 2Y3. |
| 14 | 2A0 | input | Binary-weighted address input for decoder 2, used with 2A1 to select one of outputs 2Y0 to 2Y3. |
| 15 | 2E | input | Active-LOW enable input for decoder 2; when it is HIGH, all decoder 2 outputs (2Y0 to 2Y3) are forced HIGH. |
| 16 | VCC | power_in | Supply voltage pin for the device, referenced to GND. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | TSSOP-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 |
|---|---|---|---|---|---|---|---|
| Supply voltage | VCC | -0.5 | | 7 | V | | 4 |
| Input voltage | 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 |
| Supply voltage (74AHC139) | VCC | 2 | 5 | 5.5 | V | | 4 |
| Input voltage (74AHC139) | VI | 0 | | 5.5 | V | | 4 |
| Output voltage (74AHC139) | VO | 0 | | | V | | 4 |
| Ambient temperature (74AHC139) | Tamb | -40 | 25 | 125 | °C | | 4 |
| Input transition rise and fall rate (74AHC139) | Δt/ΔV | | | 100 | ns/V | VCC = 3.0 V to 3.6 V | 4 |
| Input transition rise and fall rate (74AHC139) | Δt/ΔV | | | 20 | ns/V | VCC = 4.5 V to 5.5 V | 4 |
| HIGH-level input voltage | VIH | 1.5 | | | V | VCC = 2.0 V; Tamb = 25 °C | 5 |
| HIGH-level input voltage | VIH | 2.1 | | | V | VCC = 3.0 V; Tamb = 25 °C | 5 |
| HIGH-level input voltage | VIH | 3.85 | | | V | VCC = 5.5 V; Tamb = 25 °C | 5 |
| LOW-level input voltage | VIL | | | 0.5 | V | VCC = 2.0 V; Tamb = 25 °C | 5 |
| LOW-level input voltage | VIL | | | 0.9 | V | VCC = 3.0 V; Tamb = 25 °C | 5 |
| LOW-level input voltage | VIL | | | 1.65 | V | VCC = 5.5 V; Tamb = 25 °C | 5 |
| HIGH-level output voltage | VOH | 1.9 | | | V | VI = VIH or VIL; IO = -50 μA; VCC = 2.0 V; Tamb = 25 °C | 5 |
| HIGH-level output voltage | VOH | 2.9 | | | V | VI = VIH or VIL; IO = -50 μA; VCC = 3.0 V; Tamb = 25 °C | 5 |
| HIGH-level output voltage | VOH | 4.4 | | | V | VI = VIH or VIL; IO = -50 μA; VCC = 4.5 V; Tamb = 25 °C | 5 |
| HIGH-level output voltage | VOH | 2.58 | | | V | VI = VIH or VIL; IO = -4.0 mA; VCC = 3.0 V; Tamb = 25 °C | 5 |
| HIGH-level output voltage | VOH | 3.94 | | | V | VI = VIH or VIL; IO = -8.0 mA; VCC = 4.5 V; Tamb = 25 °C | 5 |
| LOW-level output voltage | VOL | | | 0.1 | V | VI = VIH or VIL; IO = 50 μA; VCC = 2.0 V; Tamb = 25 °C | 5 |
| LOW-level output voltage | VOL | | | 0.36 | V | VI = VIH or VIL; IO = 4.0 mA; VCC = 3.0 V; Tamb = 25 °C | 5 |
| Input leakage current | II | | | 0.1 | μA | VI = 5.5 V or GND; VCC = 0 V to 5.5 V; Tamb = 25 °C | 5 |
| Supply current | ICC | | | 4 | μA | VI = VCC or GND; IO = 0 A; VCC = 5.5 V; Tamb = 25 °C | 5 |
| HIGH-level output voltage | VOH | 2.4 | | | V | VI = VIH or VIL; IO = -4.0 mA; VCC = 3.0 V; Tamb = -40 °C to +125 °C | 5 |
| HIGH-level output voltage | VOH | 3.7 | | | V | VI = VIH or VIL; IO = -8.0 mA; VCC = 4.5 V; Tamb = -40 °C to +125 °C | 5 |
| LOW-level output voltage | VOL | | | 0.55 | V | VI = VIH or VIL; IO = 4.0 mA; VCC = 3.0 V; Tamb = -40 °C to +125 °C | 5 |
| 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 |
| Supply current | ICC | | | 80 | μA | VI = VCC or GND; IO = 0 A; VCC = 5.5 V; Tamb = -40 °C to +125 °C | 5 |
| Input capacitance | CI | | | 10 | pF | VI = VCC or GND; Tamb = -40 °C to +125 °C | 5 |
| Propagation delay nAn to nYn | tpd | 1 | | 14 | ns | VCC = 3.0 V to 3.6 V; CL = 15 pF; Tamb = -40 °C to +125 °C | 7 |
| Propagation delay nAn to nYn | tpd | 1 | | 18.5 | ns | VCC = 3.0 V to 3.6 V; CL = 50 pF; Tamb = -40 °C to +125 °C | 7 |
| Propagation delay nAn to nYn | tpd | 1 | | 9 | ns | VCC = 4.5 V to 5.5 V; CL = 15 pF; Tamb = -40 °C to +125 °C | 7 |
| Propagation delay nAn to nYn | tpd | 1 | | 11.5 | ns | VCC = 4.5 V to 5.5 V; CL = 50 pF; Tamb = -40 °C to +125 °C | 7 |
| Propagation delay nE to nYn | tpd | 1 | | 11.5 | ns | VCC = 3.0 V to 3.6 V; CL = 15 pF; Tamb = -40 °C to +125 °C | 7 |
| Propagation delay nE to nYn | tpd | 1 | | 16 | ns | VCC = 3.0 V to 3.6 V; CL = 50 pF; Tamb = -40 °C to +125 °C | 7 |
| Propagation delay nE to nYn | tpd | 1 | | 8 | ns | VCC = 4.5 V to 5.5 V; CL = 15 pF; Tamb = -40 °C to +125 °C | 7 |
| Propagation delay nE to nYn | tpd | 1 | | 10.5 | ns | VCC = 4.5 V to 5.5 V; CL = 50 pF; Tamb = -40 °C to +125 °C | 7 |
## CAD (KiCad official)
- Symbol: `74AHC139PW`
- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`
- 3D model: TSSOP-16 (KiCad packages3D, STEP)
- 3D model files: `74ahc139pw-etched.step` / `74ahc139pw-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `74ahc139pw.step` / `74ahc139pw.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Nexperia datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588908670482042880) (14 pp, sha256 `fc7e24dfc738e83f`, retrieved 2026-10-19, tier: lcsc)
- **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](docs/74ahc139pw-datasheet.pdf)