component
74LCX541WMX
Public Made by Adomby adom
onsemi Buffers / Drivers, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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74LCX541WMX
onsemi · Buffers / Drivers · SOIC-20-300mil
74LCX541WMX from onsemi, in a SOIC-20-300mil. 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 | OE1 | input | 3-STATE output enable input 1; outputs are enabled only when OE1 and OE2 are both LOW, and a HIGH on either puts the outputs in high impedance. |
| 2 | I0 | input | Data input 0, 5V tolerant (VI up to 5.5V), with unused inputs required to be held HIGH or LOW. |
| 3 | I1 | input | Data input 1, 5V tolerant (VI up to 5.5V), with unused inputs required to be held HIGH or LOW. |
| 4 | I2 | input | Data input 2, 5V tolerant (VI up to 5.5V), with unused inputs required to be held HIGH or LOW. |
| 5 | I3 | input | Data input 3, 5V tolerant (VI up to 5.5V), with unused inputs required to be held HIGH or LOW. |
| 6 | I4 | input | Data input 4, 5V tolerant (VI up to 5.5V), with unused inputs required to be held HIGH or LOW. |
| 7 | I5 | input | Data input 5, 5V tolerant (VI up to 5.5V), with unused inputs required to be held HIGH or LOW. |
| 8 | I6 | input | Data input 6, 5V tolerant (VI up to 5.5V), with unused inputs required to be held HIGH or LOW. |
| 9 | I7 | input | Data input 7, 5V tolerant (VI up to 5.5V), with unused inputs required to be held HIGH or LOW. |
| 10 | GND | power_in | Ground pin; DC ground current per ground pin is limited to ±100 mA. |
| 11 | O7 | tri_state | 3-STATE non-inverting output 7 following I7, with ±24 mA drive at VCC = 3.0V and 5V tolerant when in 3-STATE. |
| 12 | O6 | tri_state | 3-STATE non-inverting output 6 following I6, with ±24 mA drive at VCC = 3.0V and 5V tolerant when in 3-STATE. |
| 13 | O5 | tri_state | 3-STATE non-inverting output 5 following I5, with ±24 mA drive at VCC = 3.0V and 5V tolerant when in 3-STATE. |
| 14 | O4 | tri_state | 3-STATE non-inverting output 4 following I4, with ±24 mA drive at VCC = 3.0V and 5V tolerant when in 3-STATE. |
| 15 | O3 | tri_state | 3-STATE non-inverting output 3 following I3, with ±24 mA drive at VCC = 3.0V and 5V tolerant when in 3-STATE. |
| 16 | O2 | tri_state | 3-STATE non-inverting output 2 following I2, with ±24 mA drive at VCC = 3.0V and 5V tolerant when in 3-STATE. |
| 17 | O1 | tri_state | 3-STATE non-inverting output 1 following I1, with ±24 mA drive at VCC = 3.0V and 5V tolerant when in 3-STATE. |
| 18 | O0 | tri_state | 3-STATE non-inverting output 0 following I0, with ±24 mA drive at VCC = 3.0V and 5V tolerant when in 3-STATE. |
| 19 | OE2 | input | 3-STATE output enable input 2; outputs are enabled only when OE1 and OE2 are both LOW, and a HIGH on either puts the outputs in high impedance. |
| 20 | VCC | power_in | Supply voltage, 2.0V to 3.6V recommended operating (2.3V-3.6V specified), absolute maximum -0.5 to +7.0V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOIC-20-300mil |
| Category | Logic ICs |
| Pins | 20 |
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 | ||
| DC Input Voltage | VI | -0.5 | 7 | V | 4 | ||
| DC Output Voltage (3-STATE) | VO | -0.5 | 7 | V | Output in 3-STATE | 4 | |
| DC Output Voltage (HIGH or LOW state), lower limit | VO | -0.5 | V | Output in HIGH or LOW State; upper limit printed as VCC + 0.5 | 4 | ||
| DC Input Diode Current | IIK | -50 | mA | VI < GND | 4 | ||
| DC Output Diode Current (below GND) | IOK | -50 | mA | VO < GND | 4 | ||
| DC Output Diode Current (above VCC) | IOK | 50 | mA | VO > VCC | 4 | ||
| DC Output Source/Sink Current | IO | -50 | 50 | mA | 4 | ||
| DC Supply Current per Supply Pin | ICC | -100 | 100 | mA | 4 | ||
| DC Ground Current per Ground Pin | IGND | -100 | 100 | mA | 4 | ||
| Storage Temperature | TSTG | -65 | 150 | °C | 4 | ||
| Supply Voltage, operating | VCC | 2 | 3.6 | V | Operating | 4 | |
| Supply Voltage, data retention | VCC | 1.5 | 3.6 | V | Data Retention | 4 | |
| Input Voltage | VI | 0 | 5.5 | V | 4 | ||
| Output Voltage, HIGH or LOW state | VO | 0 | V | HIGH or LOW State; upper limit printed as VCC | 4 | ||
| Output Voltage, 3-STATE | VO | 0 | 5.5 | V | 3-STATE | 4 | |
| Output Current | IOH/IOL | -24 | 24 | mA | VCC = 3.0V-3.6V | 4 | |
| Output Current | IOH/IOL | -12 | 12 | mA | VCC = 2.7V-3.0V | 4 | |
| Output Current | IOH/IOL | -8 | 8 | mA | VCC = 2.3V-2.7V | 4 | |
| Free-Air Operating Temperature | TA | -40 | 85 | °C | 4 | ||
| Input Edge Rate | ∆t/∆V | 0 | 10 | ns/V | VIN = 0.8V-2.0V, VCC = 3.0V | 4 | |
| HIGH Level Input Voltage | VIH | 1.7 | V | VCC = 2.3-2.7V, TA = -40°C to +85°C | 5 | ||
| HIGH Level Input Voltage | VIH | 2 | V | VCC = 2.7-3.6V, TA = -40°C to +85°C | 5 | ||
| LOW Level Input Voltage | VIL | 0.7 | V | VCC = 2.3-2.7V, TA = -40°C to +85°C | 5 | ||
| LOW Level Input Voltage | VIL | 0.8 | V | VCC = 2.7-3.6V, TA = -40°C to +85°C | 5 | ||
| HIGH Level Output Voltage | VOH | 1.8 | V | VCC = 2.3V, IOH = -8mA | 5 | ||
| HIGH Level Output Voltage | VOH | 2.2 | V | VCC = 2.7V, IOH = -12mA | 5 | ||
| HIGH Level Output Voltage | VOH | 2.4 | V | VCC = 3.0V, IOH = -18mA | 5 | ||
| LOW Level Output Voltage | VOL | 0.2 | V | VCC = 2.3-3.6V, IOL = 100µA | 5 | ||
| LOW Level Output Voltage | VOL | 0.6 | V | VCC = 2.3V, IOL = 8mA | 5 | ||
| LOW Level Output Voltage | VOL | 0.4 | V | VCC = 2.7V, IOL = 12mA | 5 | ||
| LOW Level Output Voltage | VOL | 0.55 | V | VCC = 3.0V, IOL = 24mA | 5 | ||
| Input Leakage Current | II | -5 | 5 | µA | VCC = 2.3-3.6V, 0 ≤ VI ≤ 5.5V | 5 | |
| Power-Off Leakage Current | IOFF | 10 | µA | VCC = 0, VI or VO = 5.5V | 5 | ||
| Quiescent Supply Current | ICC | 10 | µA | VCC = 2.3-3.6V, VI = VCC or GND | 5 | ||
| Quiescent Supply Current | ICC | -10 | 10 | µA | VCC = 2.3-3.6V, 3.6V ≤ VI, VO ≤ 5.5V, outputs disabled or 3-STATE only | 5 | |
| Increase in ICC per Input | ∆ICC | 500 | µA | VCC = 2.3-3.6V, VIH = VCC = 0.6V | 5 | ||
| Propagation Delay | tPHL, tPLH | 1.5 | 6.5 | ns | VCC = 3.3V ± 0.3V, CL = 50pF, RL = 500Ω | 5 | |
| Propagation Delay | tPHL, tPLH | 1.5 | 7.5 | ns | VCC = 2.7V, CL = 50pF, RL = 500Ω | 5 | |
| Propagation Delay | tPHL, tPLH | 1.5 | 7.8 | ns | VCC = 2.5V ± 0.2V, CL = 30pF, RL = 500Ω | 5 | |
| Output Enable Time | tPZL, tPZH | 1.5 | 8.5 | ns | VCC = 3.3V ± 0.3V, CL = 50pF, RL = 500Ω | 5 | |
| Output Enable Time | tPZL, tPZH | 1.5 | 9.5 | ns | VCC = 2.7V, CL = 50pF, RL = 500Ω | 5 | |
| Output Enable Time | tPZL, tPZH | 1.5 | 10.5 | ns | VCC = 2.5V ± 0.2V, CL = 30pF, RL = 500Ω | 5 | |
| Output Disable Time | tPLZ, tPHZ | 1.5 | 7.5 | ns | VCC = 3.3V ± 0.3V, CL = 50pF, RL = 500Ω | 5 | |
| Output Disable Time | tPLZ, tPHZ | 1.5 | 8.5 | ns | VCC = 2.7V, CL = 50pF, RL = 500Ω | 5 | |
| Output Disable Time | tPLZ, tPHZ | 1.5 | 9 | ns | VCC = 2.5V ± 0.2V, CL = 30pF, RL = 500Ω | 5 | |
| Output to Output Skew | tOSHL, tOSLH | 1 | ns | TA = -40°C to +85°C, RL = 500Ω | 5 | ||
| Quiet Output Dynamic Peak VOL | VOLP | 0.8 | V | VCC = 3.3V, CL = 50 pF, VIH = 3.3V, VIL = 0V, TA = 25°C | 6 | ||
| Quiet Output Dynamic Peak VOL | VOLP | 0.6 | V | VCC = 2.5V, CL = 30 pF, VIH = 2.5V, VIL = 0V, TA = 25°C | 6 | ||
| Quiet Output Dynamic Valley VOL | VOLV | -0.8 | V | VCC = 3.3V, CL = 50 pF, VIH = 3.3V, VIL = 0V, TA = 25°C | 6 | ||
| Quiet Output Dynamic Valley VOL | VOLV | -0.6 | V | VCC = 2.5V, CL = 30 pF, VIH = 2.5V, VIL = 0V, TA = 25°C | 6 | ||
| Input Capacitance | CIN | 7 | pF | VCC = Open, VI = 0V or VCC | 6 | ||
| Output Capacitance | COUT | 8 | pF | VCC = 3.3V, VI = 0V or VCC | 6 | ||
| Power Dissipation Capacitance | CPD | 25 | pF | VCC = 3.3V, VI = 0V or VCC, f = 10 MHz | 6 |
CAD (KiCad official)
- Symbol:
74LCX541WMX - Footprint:
Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm - 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
- 3D model files:
74lcx541wmx-etched.step/74lcx541wmx-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74lcx541wmx.step/74lcx541wmx.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (16 pp, sha256
0d4d8b9cfe03327a, retrieved 2026-10-27, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-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).
# 74LCX541WMX
**onsemi** · Buffers / Drivers · SOIC-20-300mil
74LCX541WMX from onsemi, in a SOIC-20-300mil. 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 | OE1 | input | 3-STATE output enable input 1; outputs are enabled only when OE1 and OE2 are both LOW, and a HIGH on either puts the outputs in high impedance. |
| 2 | I0 | input | Data input 0, 5V tolerant (VI up to 5.5V), with unused inputs required to be held HIGH or LOW. |
| 3 | I1 | input | Data input 1, 5V tolerant (VI up to 5.5V), with unused inputs required to be held HIGH or LOW. |
| 4 | I2 | input | Data input 2, 5V tolerant (VI up to 5.5V), with unused inputs required to be held HIGH or LOW. |
| 5 | I3 | input | Data input 3, 5V tolerant (VI up to 5.5V), with unused inputs required to be held HIGH or LOW. |
| 6 | I4 | input | Data input 4, 5V tolerant (VI up to 5.5V), with unused inputs required to be held HIGH or LOW. |
| 7 | I5 | input | Data input 5, 5V tolerant (VI up to 5.5V), with unused inputs required to be held HIGH or LOW. |
| 8 | I6 | input | Data input 6, 5V tolerant (VI up to 5.5V), with unused inputs required to be held HIGH or LOW. |
| 9 | I7 | input | Data input 7, 5V tolerant (VI up to 5.5V), with unused inputs required to be held HIGH or LOW. |
| 10 | GND | power_in | Ground pin; DC ground current per ground pin is limited to ±100 mA. |
| 11 | O7 | tri_state | 3-STATE non-inverting output 7 following I7, with ±24 mA drive at VCC = 3.0V and 5V tolerant when in 3-STATE. |
| 12 | O6 | tri_state | 3-STATE non-inverting output 6 following I6, with ±24 mA drive at VCC = 3.0V and 5V tolerant when in 3-STATE. |
| 13 | O5 | tri_state | 3-STATE non-inverting output 5 following I5, with ±24 mA drive at VCC = 3.0V and 5V tolerant when in 3-STATE. |
| 14 | O4 | tri_state | 3-STATE non-inverting output 4 following I4, with ±24 mA drive at VCC = 3.0V and 5V tolerant when in 3-STATE. |
| 15 | O3 | tri_state | 3-STATE non-inverting output 3 following I3, with ±24 mA drive at VCC = 3.0V and 5V tolerant when in 3-STATE. |
| 16 | O2 | tri_state | 3-STATE non-inverting output 2 following I2, with ±24 mA drive at VCC = 3.0V and 5V tolerant when in 3-STATE. |
| 17 | O1 | tri_state | 3-STATE non-inverting output 1 following I1, with ±24 mA drive at VCC = 3.0V and 5V tolerant when in 3-STATE. |
| 18 | O0 | tri_state | 3-STATE non-inverting output 0 following I0, with ±24 mA drive at VCC = 3.0V and 5V tolerant when in 3-STATE. |
| 19 | OE2 | input | 3-STATE output enable input 2; outputs are enabled only when OE1 and OE2 are both LOW, and a HIGH on either puts the outputs in high impedance. |
| 20 | VCC | power_in | Supply voltage, 2.0V to 3.6V recommended operating (2.3V-3.6V specified), absolute maximum -0.5 to +7.0V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOIC-20-300mil |
| Category | Logic ICs |
| Pins | 20 |
## 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 |
| DC Input Voltage | VI | -0.5 | | 7 | V | | 4 |
| DC Output Voltage (3-STATE) | VO | -0.5 | | 7 | V | Output in 3-STATE | 4 |
| DC Output Voltage (HIGH or LOW state), lower limit | VO | -0.5 | | | V | Output in HIGH or LOW State; upper limit printed as VCC + 0.5 | 4 |
| DC Input Diode Current | IIK | -50 | | | mA | VI < GND | 4 |
| DC Output Diode Current (below GND) | IOK | -50 | | | mA | VO < GND | 4 |
| DC Output Diode Current (above VCC) | IOK | | | 50 | mA | VO > VCC | 4 |
| DC Output Source/Sink Current | IO | -50 | | 50 | mA | | 4 |
| DC Supply Current per Supply Pin | ICC | -100 | | 100 | mA | | 4 |
| DC Ground Current per Ground Pin | IGND | -100 | | 100 | mA | | 4 |
| Storage Temperature | TSTG | -65 | | 150 | °C | | 4 |
| Supply Voltage, operating | VCC | 2 | | 3.6 | V | Operating | 4 |
| Supply Voltage, data retention | VCC | 1.5 | | 3.6 | V | Data Retention | 4 |
| Input Voltage | VI | 0 | | 5.5 | V | | 4 |
| Output Voltage, HIGH or LOW state | VO | 0 | | | V | HIGH or LOW State; upper limit printed as VCC | 4 |
| Output Voltage, 3-STATE | VO | 0 | | 5.5 | V | 3-STATE | 4 |
| Output Current | IOH/IOL | -24 | | 24 | mA | VCC = 3.0V-3.6V | 4 |
| Output Current | IOH/IOL | -12 | | 12 | mA | VCC = 2.7V-3.0V | 4 |
| Output Current | IOH/IOL | -8 | | 8 | mA | VCC = 2.3V-2.7V | 4 |
| Free-Air Operating Temperature | TA | -40 | | 85 | °C | | 4 |
| Input Edge Rate | ∆t/∆V | 0 | | 10 | ns/V | VIN = 0.8V-2.0V, VCC = 3.0V | 4 |
| HIGH Level Input Voltage | VIH | 1.7 | | | V | VCC = 2.3-2.7V, TA = -40°C to +85°C | 5 |
| HIGH Level Input Voltage | VIH | 2 | | | V | VCC = 2.7-3.6V, TA = -40°C to +85°C | 5 |
| LOW Level Input Voltage | VIL | | | 0.7 | V | VCC = 2.3-2.7V, TA = -40°C to +85°C | 5 |
| LOW Level Input Voltage | VIL | | | 0.8 | V | VCC = 2.7-3.6V, TA = -40°C to +85°C | 5 |
| HIGH Level Output Voltage | VOH | 1.8 | | | V | VCC = 2.3V, IOH = -8mA | 5 |
| HIGH Level Output Voltage | VOH | 2.2 | | | V | VCC = 2.7V, IOH = -12mA | 5 |
| HIGH Level Output Voltage | VOH | 2.4 | | | V | VCC = 3.0V, IOH = -18mA | 5 |
| LOW Level Output Voltage | VOL | | | 0.2 | V | VCC = 2.3-3.6V, IOL = 100µA | 5 |
| LOW Level Output Voltage | VOL | | | 0.6 | V | VCC = 2.3V, IOL = 8mA | 5 |
| LOW Level Output Voltage | VOL | | | 0.4 | V | VCC = 2.7V, IOL = 12mA | 5 |
| LOW Level Output Voltage | VOL | | | 0.55 | V | VCC = 3.0V, IOL = 24mA | 5 |
| Input Leakage Current | II | -5 | | 5 | µA | VCC = 2.3-3.6V, 0 ≤ VI ≤ 5.5V | 5 |
| Power-Off Leakage Current | IOFF | | | 10 | µA | VCC = 0, VI or VO = 5.5V | 5 |
| Quiescent Supply Current | ICC | | | 10 | µA | VCC = 2.3-3.6V, VI = VCC or GND | 5 |
| Quiescent Supply Current | ICC | -10 | | 10 | µA | VCC = 2.3-3.6V, 3.6V ≤ VI, VO ≤ 5.5V, outputs disabled or 3-STATE only | 5 |
| Increase in ICC per Input | ∆ICC | | | 500 | µA | VCC = 2.3-3.6V, VIH = VCC = 0.6V | 5 |
| Propagation Delay | tPHL, tPLH | 1.5 | | 6.5 | ns | VCC = 3.3V ± 0.3V, CL = 50pF, RL = 500Ω | 5 |
| Propagation Delay | tPHL, tPLH | 1.5 | | 7.5 | ns | VCC = 2.7V, CL = 50pF, RL = 500Ω | 5 |
| Propagation Delay | tPHL, tPLH | 1.5 | | 7.8 | ns | VCC = 2.5V ± 0.2V, CL = 30pF, RL = 500Ω | 5 |
| Output Enable Time | tPZL, tPZH | 1.5 | | 8.5 | ns | VCC = 3.3V ± 0.3V, CL = 50pF, RL = 500Ω | 5 |
| Output Enable Time | tPZL, tPZH | 1.5 | | 9.5 | ns | VCC = 2.7V, CL = 50pF, RL = 500Ω | 5 |
| Output Enable Time | tPZL, tPZH | 1.5 | | 10.5 | ns | VCC = 2.5V ± 0.2V, CL = 30pF, RL = 500Ω | 5 |
| Output Disable Time | tPLZ, tPHZ | 1.5 | | 7.5 | ns | VCC = 3.3V ± 0.3V, CL = 50pF, RL = 500Ω | 5 |
| Output Disable Time | tPLZ, tPHZ | 1.5 | | 8.5 | ns | VCC = 2.7V, CL = 50pF, RL = 500Ω | 5 |
| Output Disable Time | tPLZ, tPHZ | 1.5 | | 9 | ns | VCC = 2.5V ± 0.2V, CL = 30pF, RL = 500Ω | 5 |
| Output to Output Skew | tOSHL, tOSLH | | | 1 | ns | TA = -40°C to +85°C, RL = 500Ω | 5 |
| Quiet Output Dynamic Peak VOL | VOLP | | 0.8 | | V | VCC = 3.3V, CL = 50 pF, VIH = 3.3V, VIL = 0V, TA = 25°C | 6 |
| Quiet Output Dynamic Peak VOL | VOLP | | 0.6 | | V | VCC = 2.5V, CL = 30 pF, VIH = 2.5V, VIL = 0V, TA = 25°C | 6 |
| Quiet Output Dynamic Valley VOL | VOLV | | -0.8 | | V | VCC = 3.3V, CL = 50 pF, VIH = 3.3V, VIL = 0V, TA = 25°C | 6 |
| Quiet Output Dynamic Valley VOL | VOLV | | -0.6 | | V | VCC = 2.5V, CL = 30 pF, VIH = 2.5V, VIL = 0V, TA = 25°C | 6 |
| Input Capacitance | CIN | | 7 | | pF | VCC = Open, VI = 0V or VCC | 6 |
| Output Capacitance | COUT | | 8 | | pF | VCC = 3.3V, VI = 0V or VCC | 6 |
| Power Dissipation Capacitance | CPD | | 25 | | pF | VCC = 3.3V, VI = 0V or VCC, f = 10 MHz | 6 |
## CAD (KiCad official)
- Symbol: `74LCX541WMX`
- Footprint: `Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm`
- 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
- 3D model files: `74lcx541wmx-etched.step` / `74lcx541wmx-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `74lcx541wmx.step` / `74lcx541wmx.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/74lcx541wmx-d.pdf) (16 pp, sha256 `0d4d8b9cfe03327a`, retrieved 2026-10-27, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/74lcx541wmx-datasheet.pdf)