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74LVX138MTCX
Public Made by Adomby adom
onsemi Signal Switches, Multiplexers, Decoders, TSSOP-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
markdown74LVX138MTCX
onsemi · Signal Switches, Multiplexers, Decoders · TSSOP-16
74LVX138MTCX from onsemi, 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 | A0 | input | Address input A0 (least significant bit) of the three binary-weighted inputs; unused inputs must be held HIGH or LOW and may not float; accepts up to 5.5V. |
| 2 | A1 | input | Address input A1 of the three binary-weighted inputs; unused inputs must be held HIGH or LOW and may not float; accepts up to 5.5V. |
| 3 | A2 | input | Address input A2 (most significant bit) of the three binary-weighted inputs; unused inputs must be held HIGH or LOW and may not float; accepts up to 5.5V. |
| 4 | E1 | input | Active-LOW enable input; outputs are all HIGH unless E1 and E2 are LOW and E3 is HIGH. |
| 5 | E2 | input | Active-LOW enable input; outputs are all HIGH unless E1 and E2 are LOW and E3 is HIGH. |
| 6 | E3 | input | Active-HIGH enable input; outputs are all HIGH unless E1 and E2 are LOW and E3 is HIGH. |
| 7 | O7 | output | Active-LOW decoded output 7, driven LOW only when enabled and address is 111. |
| 8 | GND | power_in | Ground (0V) supply pin. |
| 9 | O6 | output | Active-LOW decoded output 6, driven LOW only when enabled and address is 110. |
| 10 | O5 | output | Active-LOW decoded output 5, driven LOW only when enabled and address is 101. |
| 11 | O4 | output | Active-LOW decoded output 4, driven LOW only when enabled and address is 100. |
| 12 | O3 | output | Active-LOW decoded output 3, driven LOW only when enabled and address is 011. |
| 13 | O2 | output | Active-LOW decoded output 2, driven LOW only when enabled and address is 010. |
| 14 | O1 | output | Active-LOW decoded output 1, driven LOW only when enabled and address is 001. |
| 15 | O0 | output | Active-LOW decoded output 0, driven LOW only when enabled and address is 000. |
| 16 | VCC | power_in | Positive supply voltage, recommended 2.0V to 3.6V (absolute maximum -0.5V to +7.0V). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| 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) absolute max | VCC | -0.5 | 7 | V | 4 | ||
| DC input voltage | VI | -0.5 | 7 | V | 4 | ||
| DC output voltage | VO | -0.5 | V | printed as -0.5V to VCC + 0.5V | 4 | ||
| DC input diode current | IIK | -20 | mA | VI = -0.5V | 4 | ||
| DC output diode current | IOK | -20 | mA | VO = -0.5V | 4 | ||
| DC output diode current | IOK | 20 | mA | VO = VCC + 0.5V | 4 | ||
| DC output source or sink current | IO | -25 | 25 | mA | 4 | ||
| DC VCC or ground current | ICC or IGND | -75 | 75 | mA | 4 | ||
| Storage temperature | TSTG | -65 | 150 | °C | 4 | ||
| Power dissipation | 180 | mW | 4 | ||||
| Supply voltage (VCC) recommended | VCC | 2 | 3.6 | V | 4 | ||
| Input voltage | VI | 0 | 5.5 | V | 4 | ||
| Output voltage | VO | 0 | V | printed as 0V to VCC | 4 | ||
| Operating temperature | TA | -40 | 85 | °C | 4 | ||
| Input rise and fall time | Δt/ΔV | 0 | 100 | ns/V | 4 | ||
| HIGH level input voltage | VIH | 1.5 | V | VCC 2.0 V; limit over TA -40 to +85°C | 4 | ||
| HIGH level input voltage | VIH | 2 | V | VCC 3.0 V; limit over TA -40 to +85°C | 4 | ||
| HIGH level input voltage | VIH | 2.4 | V | VCC 3.6 V; limit over TA -40 to +85°C | 4 | ||
| LOW level input voltage | VIL | 0.5 | V | VCC 2.0 V; limit over TA -40 to +85°C | 4 | ||
| LOW level input voltage | VIL | 0.8 | V | VCC 3.0 V; limit over TA -40 to +85°C | 4 | ||
| HIGH level output voltage | VOH | 1.9 | 2 | V | VCC 2.0 V; VIN = VIL or VIH, IOH = -50 µA; typ at TA=25°C, limit over -40 to +85°C | 4 | |
| HIGH level output voltage | VOH | 2.9 | 3 | V | VCC 3.0 V; IOH = -50 µA; typ at TA=25°C, limit over -40 to +85°C | 4 | |
| HIGH level output voltage | VOH | 2.48 | V | VCC 3.0 V; IOH = -4 mA; limit over TA -40 to +85°C | 4 | ||
| LOW level output voltage | VOL | 0 | 0.1 | V | VCC 2.0 V; VIN = VIL or VIH, IOL = 50 µA; typ at TA=25°C, limit over -40 to +85°C | 4 | |
| LOW level output voltage | VOL | 0.44 | V | VCC 3.0 V; IOL = 4 mA; limit over TA -40 to +85°C | 4 | ||
| Input leakage current | IIN | -1 | 1 | µA | VCC 3.6 V; VIN = 5.5 V or GND | 4 | |
| Quiescent supply current | ICC | 4 | 40 | µA | VCC 3.6 V; VIN = VCC or GND; max over TA -40 to +85°C | 4 | |
| Quiet output maximum dynamic VOL | VOLP | 0.3 | 0.5 | V | VCC 3.3 V; CL 50 pF; TA = 25°C | 4 | |
| Quiet output minimum dynamic VOL | VOLV | -0.5 | -0.3 | V | VCC 3.3 V; CL 50 pF; TA = 25°C | 4 | |
| Minimum HIGH level dynamic input voltage | VIHD | 2 | V | VCC 3.3 V; CL 50 pF; TA = 25°C | 4 | ||
| Maximum LOW level dynamic input voltage | VILD | 0.8 | V | VCC 3.3 V; CL 50 pF; TA = 25°C | 4 | ||
| Propagation delay An to On | tPLH | 1 | 7.1 | 16.5 | ns | VCC 2.7 V; CL 15 pF; typ at TA=25°C (max 13.8), limit over -40 to +85°C | 5 |
| Propagation delay An to On | tPHL | 1 | 9.6 | 20 | ns | VCC 2.7 V; CL 50 pF; typ at TA=25°C (max 17.3), limit over -40 to +85°C | 5 |
| Propagation delay An to On | tPLH | 1 | 5.5 | 10.5 | ns | VCC 3.3 ±0.3 V; CL 15 pF; typ at TA=25°C (max 8.8), limit over -40 to +85°C | 5 |
| Propagation delay An to On | tPHL | 1 | 8 | 14 | ns | VCC 3.3 ±0.3 V; CL 50 pF; typ at TA=25°C (max 12.3), limit over -40 to +85°C | 5 |
| Propagation delay E1 or E2 to On | tPLH | 1 | 8.8 | 18.5 | ns | VCC 2.7 V; CL 15 pF; typ at TA=25°C (max 16.0), limit over -40 to +85°C | 5 |
| Propagation delay E1 or E2 to On | tPHL | 1 | 11.3 | 22 | ns | VCC 2.7 V; CL 50 pF; typ at TA=25°C (max 19.5), limit over -40 to +85°C | 5 |
| Propagation delay E1 or E2 to On | tPLH | 1 | 6.9 | 11.5 | ns | VCC 3.3 ±0.3 V; CL 15 pF; typ at TA=25°C (max 10.4), limit over -40 to +85°C | 5 |
| Propagation delay E1 or E2 to On | tPHL | 1 | 9.4 | 15 | ns | VCC 3.3 ±0.3 V; CL 50 pF; typ at TA=25°C (max 13.9), limit over -40 to +85°C | 5 |
| Propagation delay E3 to On | tPLH | 1 | 8.7 | 19.5 | ns | VCC 2.7 V; CL 15 pF; typ at TA=25°C (max 16.3), limit over -40 to +85°C | 5 |
| Propagation delay E3 to On | tPHL | 1 | 11.2 | 23 | ns | VCC 2.7 V; CL 50 pF; typ at TA=25°C (max 19.8), limit over -40 to +85°C | 5 |
| Propagation delay E3 to On | tPLH | 1 | 6.8 | 12.5 | ns | VCC 3.3 ±0.3 V; CL 15 pF; typ at TA=25°C (max 10.6), limit over -40 to +85°C | 5 |
| Propagation delay E3 to On | tPHL | 1 | 9.3 | 16 | ns | VCC 3.3 ±0.3 V; CL 50 pF; typ at TA=25°C (max 14.1), limit over -40 to +85°C | 5 |
| Output to output skew | tOSHL | 1.5 | ns | VCC 2.7 V; CL 50 pF; parameter guaranteed by design (Note 4) | 5 | ||
| Input capacitance | CIN | 4 | 10 | pF | typ at TA=25°C; max over TA -40 to +85°C | 5 | |
| Power dissipation capacitance | CPD | 34 | pF | Note 5 | 5 |
CAD (KiCad official)
- Symbol:
74LVX138MTCX - Footprint:
Package_SO:TSSOP-16_4.4x5mm_P0.65mm - 3D model: TSSOP-16 (KiCad packages3D, STEP)
- 3D model files:
74lvx138mtcx-etched.step/74lvx138mtcx-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74lvx138mtcx.step/74lvx138mtcx.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (9 pp, sha256
0327b2ba9b2e8912, retrieved 2026-10-18, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-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).