component
74LCX38MTCX
Public Made by Adomby adom
onsemi Logic Gates, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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74LCX38MTCX
onsemi · Logic Gates · TSSOP-14
74LCX38MTCX from onsemi, in a TSSOP-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 | A0 | input | Gate 0 input A, 5V tolerant (VI 0 to 5.5V recommended); unused inputs must be held HIGH or LOW and may not float. |
| 2 | B0 | input | Gate 0 input B, 5V tolerant (VI 0 to 5.5V recommended); unused inputs must be held HIGH or LOW and may not float. |
| 3 | O0 | output | Gate 0 open-drain NAND output (active pull-down only), sinking up to 24 mA at VCC 3.0V to 3.6V and tolerating 0 to 5.5V. |
| 4 | A1 | input | Gate 1 input A, 5V tolerant (VI 0 to 5.5V recommended); unused inputs must be held HIGH or LOW and may not float. |
| 5 | B1 | input | Gate 1 input B, 5V tolerant (VI 0 to 5.5V recommended); unused inputs must be held HIGH or LOW and may not float. |
| 6 | O1 | output | Gate 1 open-drain NAND output (active pull-down only), sinking up to 24 mA at VCC 3.0V to 3.6V and tolerating 0 to 5.5V. |
| 7 | GND | power_in | Ground pin; DC ground current per ground pin is limited to ±100 mA. |
| 8 | O3 | output | Gate 3 open-drain NAND output (active pull-down only), sinking up to 24 mA at VCC 3.0V to 3.6V and tolerating 0 to 5.5V. |
| 9 | B3 | input | Gate 3 input B, 5V tolerant (VI 0 to 5.5V recommended); unused inputs must be held HIGH or LOW and may not float. |
| 10 | A3 | input | Gate 3 input A, 5V tolerant (VI 0 to 5.5V recommended); unused inputs must be held HIGH or LOW and may not float. |
| 11 | O2 | output | Gate 2 open-drain NAND output (active pull-down only), sinking up to 24 mA at VCC 3.0V to 3.6V and tolerating 0 to 5.5V. |
| 12 | B2 | input | Gate 2 input B, 5V tolerant (VI 0 to 5.5V recommended); unused inputs must be held HIGH or LOW and may not float. |
| 13 | A2 | input | Gate 2 input A, 5V tolerant (VI 0 to 5.5V recommended); unused inputs must be held HIGH or LOW and may not float. |
| 14 | VCC | power_in | Supply voltage pin, operating range 2.0V to 3.6V (2.3V to 3.6V specified), absolute maximum 7.0V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | TSSOP-14 |
| Category | Logic |
| 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 | -0.5 | 7 | V | 3 | ||
| DC Input Voltage | VI | -0.5 | 7 | V | 3 | ||
| DC Output Voltage | VO | -0.5 | 7 | V | Output in HIGH or LOW State (Note 3) | 3 | |
| DC Input Diode Current | IIK | 50 | mA | VI GND | 3 | ||
| DC Output Diode Current | IOK | 50 | mA | VO GND | 3 | ||
| DC Output Sink Current (IOL) | IO | 50 | mA | 3 | |||
| DC Supply Current per Supply Pin | ICC | -100 | 100 | mA | 3 | ||
| DC Ground Current per Ground Pin | IGND | -100 | 100 | mA | 3 | ||
| Storage Temperature | TSTG | -65 | 150 | °C | 3 | ||
| Supply Voltage Operating | VCC | 2 | 3.6 | V | Operating | 3 | |
| Supply Voltage Data Retention | VCC | 1.5 | 3.6 | V | Data Retention | 3 | |
| Input Voltage | VI | 0 | 5.5 | V | 3 | ||
| Output Voltage | VO | 0 | 5.5 | V | 3 | ||
| Output Current IOL | IOL | 24 | mA | VCC 3.0V to 3.6V | 3 | ||
| Output Current IOL | IOL | 12 | mA | VCC 2.7V to 3.0V | 3 | ||
| Output Current IOL | IOL | 8 | mA | VCC 2.3V to 2.7V | 3 | ||
| Free-Air Operating Temperature | TA | -40 | 85 | °C | 3 | ||
| Input Edge Rate | Δt/ΔV | 0 | 10 | ns/V | VIN 0.8V to 2.0V, VCC 3.0V | 3 | |
| HIGH Level Input Voltage | VIH | 1.7 | V | VCC 2.3V to 2.7V, TA -40°C to 85°C | 3 | ||
| HIGH Level Input Voltage | VIH | 2 | V | VCC 2.7V to 3.6V, TA -40°C to 85°C | 3 | ||
| LOW Level Input Voltage | VIL | 0.7 | V | VCC 2.3V to 2.7V, TA -40°C to 85°C | 3 | ||
| LOW Level Input Voltage | VIL | 0.8 | V | VCC 2.3V to 3.6V, TA -40°C to 85°C | 3 | ||
| LOW Level Output Voltage | VOL | 0.2 | V | IOL 100 µA, VCC 2.3V to 3.6V | 3 | ||
| LOW Level Output Voltage | VOL | 0.6 | V | IOL 8 mA, VCC 2.3V | 3 | ||
| LOW Level Output Voltage | VOL | 0.4 | V | IOL 12 mA, VCC 2.7V | 3 | ||
| LOW Level Output Voltage | VOL | 0.55 | V | IOL 24 mA, VCC 3.0V | 3 | ||
| Input Leakage Current | II | -5 | 5 | µA | 0 ≤ VI ≤ 5.5V, VCC 2.3V to 3.6V | 3 | |
| Power-Off Leakage Current | IOFF | 10 | µA | VI or VO 5.5V, VCC 0V | 3 | ||
| Quiescent Supply Current | ICC | 10 | µA | VI VCC or GND, VCC 2.3V to 3.6V | 3 | ||
| Quiescent Supply Current | ICC | -10 | 10 | µA | 3.6V ≤ VI ≤ 5.5V, VCC 2.3V to 3.6V | 3 | |
| Increase in ICC per Input | ΔICC | 500 | µA | VIH VCC - 0.6V, VCC 2.3V to 3.6V | 3 | ||
| Off State Current | IOHZ | 10 | µA | VO 5.5V, VCC 2.0V to 3.6V | 3 | ||
| Propagation Delay Time tPZL | tPZL | 1.5 | 5 | ns | VCC 3.3V ±0.3V, CL 50 pF, RL 500 ohm, TA -40°C to 85°C | 4 | |
| Propagation Delay Time tPZL | tPZL | 1.5 | 5.5 | ns | VCC 2.7V, CL 50 pF, RL 500 ohm, TA -40°C to 85°C | 4 | |
| Propagation Delay Time tPZL | tPZL | 1.5 | 6.5 | ns | VCC 2.5V ±0.2V, CL 30 pF, RL 500 ohm, TA -40°C to 85°C | 4 | |
| Propagation Delay Time tPLZ | tPLZ | 1.5 | 5 | ns | VCC 3.3V ±0.3V, CL 50 pF, RL 500 ohm, TA -40°C to 85°C | 4 | |
| Propagation Delay Time tPLZ | tPLZ | 1.5 | 5.5 | ns | VCC 2.7V, CL 50 pF, RL 500 ohm, TA -40°C to 85°C | 4 | |
| Propagation Delay Time tPLZ | tPLZ | 1.5 | 6 | ns | VCC 2.5V ±0.2V, CL 30 pF, RL 500 ohm, TA -40°C to 85°C | 4 | |
| Output to Output Skew | tOSHL, tOSLH | 1 | ns | TA -40°C to 85°C, RL 500 ohm, Note 5 | 4 |
CAD (KiCad official)
- Symbol:
74LCX38MTCX - Footprint:
Package_SO:TSSOP-14_4.4x5mm_P0.65mm - 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files:
74lcx38mtcx-etched.step/74lcx38mtcx-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74lcx38mtcx.step/74lcx38mtcx.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (9 pp, sha256
d394f0e188a0584e, retrieved 2026-10-17, 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).
# 74LCX38MTCX
**onsemi** · Logic Gates · TSSOP-14
74LCX38MTCX from onsemi, in a TSSOP-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 | A0 | input | Gate 0 input A, 5V tolerant (VI 0 to 5.5V recommended); unused inputs must be held HIGH or LOW and may not float. |
| 2 | B0 | input | Gate 0 input B, 5V tolerant (VI 0 to 5.5V recommended); unused inputs must be held HIGH or LOW and may not float. |
| 3 | O0 | output | Gate 0 open-drain NAND output (active pull-down only), sinking up to 24 mA at VCC 3.0V to 3.6V and tolerating 0 to 5.5V. |
| 4 | A1 | input | Gate 1 input A, 5V tolerant (VI 0 to 5.5V recommended); unused inputs must be held HIGH or LOW and may not float. |
| 5 | B1 | input | Gate 1 input B, 5V tolerant (VI 0 to 5.5V recommended); unused inputs must be held HIGH or LOW and may not float. |
| 6 | O1 | output | Gate 1 open-drain NAND output (active pull-down only), sinking up to 24 mA at VCC 3.0V to 3.6V and tolerating 0 to 5.5V. |
| 7 | GND | power_in | Ground pin; DC ground current per ground pin is limited to ±100 mA. |
| 8 | O3 | output | Gate 3 open-drain NAND output (active pull-down only), sinking up to 24 mA at VCC 3.0V to 3.6V and tolerating 0 to 5.5V. |
| 9 | B3 | input | Gate 3 input B, 5V tolerant (VI 0 to 5.5V recommended); unused inputs must be held HIGH or LOW and may not float. |
| 10 | A3 | input | Gate 3 input A, 5V tolerant (VI 0 to 5.5V recommended); unused inputs must be held HIGH or LOW and may not float. |
| 11 | O2 | output | Gate 2 open-drain NAND output (active pull-down only), sinking up to 24 mA at VCC 3.0V to 3.6V and tolerating 0 to 5.5V. |
| 12 | B2 | input | Gate 2 input B, 5V tolerant (VI 0 to 5.5V recommended); unused inputs must be held HIGH or LOW and may not float. |
| 13 | A2 | input | Gate 2 input A, 5V tolerant (VI 0 to 5.5V recommended); unused inputs must be held HIGH or LOW and may not float. |
| 14 | VCC | power_in | Supply voltage pin, operating range 2.0V to 3.6V (2.3V to 3.6V specified), absolute maximum 7.0V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | TSSOP-14 |
| Category | Logic |
| 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 | -0.5 | | 7 | V | | 3 |
| DC Input Voltage | VI | -0.5 | | 7 | V | | 3 |
| DC Output Voltage | VO | -0.5 | | 7 | V | Output in HIGH or LOW State (Note 3) | 3 |
| DC Input Diode Current | IIK | | | 50 | mA | VI GND | 3 |
| DC Output Diode Current | IOK | | | 50 | mA | VO GND | 3 |
| DC Output Sink Current (IOL) | IO | | | 50 | mA | | 3 |
| DC Supply Current per Supply Pin | ICC | -100 | | 100 | mA | | 3 |
| DC Ground Current per Ground Pin | IGND | -100 | | 100 | mA | | 3 |
| Storage Temperature | TSTG | -65 | | 150 | °C | | 3 |
| Supply Voltage Operating | VCC | 2 | | 3.6 | V | Operating | 3 |
| Supply Voltage Data Retention | VCC | 1.5 | | 3.6 | V | Data Retention | 3 |
| Input Voltage | VI | 0 | | 5.5 | V | | 3 |
| Output Voltage | VO | 0 | | 5.5 | V | | 3 |
| Output Current IOL | IOL | | | 24 | mA | VCC 3.0V to 3.6V | 3 |
| Output Current IOL | IOL | | | 12 | mA | VCC 2.7V to 3.0V | 3 |
| Output Current IOL | IOL | | | 8 | mA | VCC 2.3V to 2.7V | 3 |
| Free-Air Operating Temperature | TA | -40 | | 85 | °C | | 3 |
| Input Edge Rate | Δt/ΔV | 0 | | 10 | ns/V | VIN 0.8V to 2.0V, VCC 3.0V | 3 |
| HIGH Level Input Voltage | VIH | 1.7 | | | V | VCC 2.3V to 2.7V, TA -40°C to 85°C | 3 |
| HIGH Level Input Voltage | VIH | 2 | | | V | VCC 2.7V to 3.6V, TA -40°C to 85°C | 3 |
| LOW Level Input Voltage | VIL | | | 0.7 | V | VCC 2.3V to 2.7V, TA -40°C to 85°C | 3 |
| LOW Level Input Voltage | VIL | | | 0.8 | V | VCC 2.3V to 3.6V, TA -40°C to 85°C | 3 |
| LOW Level Output Voltage | VOL | | | 0.2 | V | IOL 100 µA, VCC 2.3V to 3.6V | 3 |
| LOW Level Output Voltage | VOL | | | 0.6 | V | IOL 8 mA, VCC 2.3V | 3 |
| LOW Level Output Voltage | VOL | | | 0.4 | V | IOL 12 mA, VCC 2.7V | 3 |
| LOW Level Output Voltage | VOL | | | 0.55 | V | IOL 24 mA, VCC 3.0V | 3 |
| Input Leakage Current | II | -5 | | 5 | µA | 0 ≤ VI ≤ 5.5V, VCC 2.3V to 3.6V | 3 |
| Power-Off Leakage Current | IOFF | | | 10 | µA | VI or VO 5.5V, VCC 0V | 3 |
| Quiescent Supply Current | ICC | | | 10 | µA | VI VCC or GND, VCC 2.3V to 3.6V | 3 |
| Quiescent Supply Current | ICC | -10 | | 10 | µA | 3.6V ≤ VI ≤ 5.5V, VCC 2.3V to 3.6V | 3 |
| Increase in ICC per Input | ΔICC | | | 500 | µA | VIH VCC - 0.6V, VCC 2.3V to 3.6V | 3 |
| Off State Current | IOHZ | | | 10 | µA | VO 5.5V, VCC 2.0V to 3.6V | 3 |
| Propagation Delay Time tPZL | tPZL | 1.5 | | 5 | ns | VCC 3.3V ±0.3V, CL 50 pF, RL 500 ohm, TA -40°C to 85°C | 4 |
| Propagation Delay Time tPZL | tPZL | 1.5 | | 5.5 | ns | VCC 2.7V, CL 50 pF, RL 500 ohm, TA -40°C to 85°C | 4 |
| Propagation Delay Time tPZL | tPZL | 1.5 | | 6.5 | ns | VCC 2.5V ±0.2V, CL 30 pF, RL 500 ohm, TA -40°C to 85°C | 4 |
| Propagation Delay Time tPLZ | tPLZ | 1.5 | | 5 | ns | VCC 3.3V ±0.3V, CL 50 pF, RL 500 ohm, TA -40°C to 85°C | 4 |
| Propagation Delay Time tPLZ | tPLZ | 1.5 | | 5.5 | ns | VCC 2.7V, CL 50 pF, RL 500 ohm, TA -40°C to 85°C | 4 |
| Propagation Delay Time tPLZ | tPLZ | 1.5 | | 6 | ns | VCC 2.5V ±0.2V, CL 30 pF, RL 500 ohm, TA -40°C to 85°C | 4 |
| Output to Output Skew | tOSHL, tOSLH | | | 1 | ns | TA -40°C to 85°C, RL 500 ohm, Note 5 | 4 |
## CAD (KiCad official)
- Symbol: `74LCX38MTCX`
- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`
- 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files: `74lcx38mtcx-etched.step` / `74lcx38mtcx-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `74lcx38mtcx.step` / `74lcx38mtcx.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/74lcx38mtcx-d.pdf) (9 pp, sha256 `d394f0e188a0584e`, retrieved 2026-10-17, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-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).
[Datasheet PDF](docs/74lcx38mtcx-datasheet.pdf)