component
74VHCT541AMX
Public Made by Adomby adom
onsemi Buffers / Drivers, SOIC-20-300mil. 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
markdown74VHCT541AMX
onsemi · Buffers / Drivers · SOIC-20-300mil
74VHCT541AMX 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 | Active-low 3-STATE output enable input 1; outputs are high-Z when OE1 or OE2 is HIGH. |
| 2 | I0 | input | Buffer input 0; unused inputs must be held HIGH or LOW and may not float. |
| 3 | I1 | input | Buffer input 1; unused inputs must be held HIGH or LOW and may not float. |
| 4 | I2 | input | Buffer input 2; unused inputs must be held HIGH or LOW and may not float. |
| 5 | I3 | input | Buffer input 3; unused inputs must be held HIGH or LOW and may not float. |
| 6 | I4 | input | Buffer input 4; unused inputs must be held HIGH or LOW and may not float. |
| 7 | I5 | input | Buffer input 5; unused inputs must be held HIGH or LOW and may not float. |
| 8 | I6 | input | Buffer input 6; unused inputs must be held HIGH or LOW and may not float. |
| 9 | I7 | input | Buffer input 7; unused inputs must be held HIGH or LOW and may not float. |
| 10 | GND | power_in | Ground pin. |
| 11 | O7 | tri_state | 3-STATE output 7; follows I7 when both enables are LOW, with IOH/IOL of 8 mA. |
| 12 | O6 | tri_state | 3-STATE output 6; follows I6 when both enables are LOW, with IOH/IOL of 8 mA. |
| 13 | O5 | tri_state | 3-STATE output 5; follows I5 when both enables are LOW, with IOH/IOL of 8 mA. |
| 14 | O4 | tri_state | 3-STATE output 4; follows I4 when both enables are LOW, with IOH/IOL of 8 mA. |
| 15 | O3 | tri_state | 3-STATE output 3; follows I3 when both enables are LOW, with IOH/IOL of 8 mA. |
| 16 | O2 | tri_state | 3-STATE output 2; follows I2 when both enables are LOW, with IOH/IOL of 8 mA. |
| 17 | O1 | tri_state | 3-STATE output 1; follows I1 when both enables are LOW, with IOH/IOL of 8 mA. |
| 18 | O0 | tri_state | 3-STATE output 0; follows I0 when both enables are LOW, with IOH/IOL of 8 mA. |
| 19 | OE2 | input | Active-low 3-STATE output enable input 2; outputs are high-Z when OE1 or OE2 is HIGH. |
| 20 | VCC | power_in | Supply voltage, recommended 4.5V to 5.5V (absolute maximum 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 |
|---|---|---|---|---|---|---|---|
| HIGH Level Input Voltage | VIH | 2 | V | VCC 4.5-5.5V, TA 25°C and -40 to 85°C | 3 | ||
| LOW Level Input Voltage | VIL | 0.8 | V | VCC 4.5-5.5V, TA 25°C and -40 to 85°C | 3 | ||
| HIGH Level Output Voltage | VOH | 4.4 | 4.5 | V | VCC 4.5V, VIN=VIH, IOH=-50 µA, TA 25°C | 3 | |
| HIGH Level Output Voltage | VOH | 3.94 | V | VCC 4.5V, IOH=-8 mA, TA 25°C | 3 | ||
| HIGH Level Output Voltage | VOH | 3.8 | V | VCC 4.5V, IOH=-8 mA, TA -40 to 85°C | 3 | ||
| LOW Level Output Voltage | VOL | 0 | 0.1 | V | VCC 4.5V, VIN=VIL, IOL=50 µA, TA 25°C | 3 | |
| LOW Level Output Voltage | VOL | 0.36 | V | VCC 4.5V, IOL=8 mA, TA 25°C | 3 | ||
| LOW Level Output Voltage | VOL | 0.44 | V | VCC 4.5V, IOL=8 mA, TA -40 to 85°C | 3 | ||
| 3-STATE Output Off-State Current | IOZ | -0.25 | 0.25 | µA | VCC 5.5V, VIN=VIH or VIL, VOUT=VCC or GND, TA 25°C | 3 | |
| 3-STATE Output Off-State Current | IOZ | -2.5 | 2.5 | µA | VCC 5.5V, VIN=VIH or VIL, VOUT=VCC or GND, TA -40 to 85°C | 3 | |
| Input Leakage Current | IIN | -0.1 | 0.1 | µA | VCC 0-5.5V, VIN=5.5V or GND, TA 25°C | 3 | |
| Input Leakage Current | IIN | -1 | 1 | µA | VCC 0-5.5V, VIN=5.5V or GND, TA -40 to 85°C | 3 | |
| Quiescent Supply Current | ICC | 4 | µA | VCC 5.5V, VIN=VCC or GND, TA 25°C | 3 | ||
| Quiescent Supply Current | ICC | 40 | µA | VCC 5.5V, VIN=VCC or GND, TA -40 to 85°C | 3 | ||
| Maximum ICC/Input | ICCT | 1.35 | 1.5 | mA | VCC 5.5V, VIN=3.4V, other inputs VCC or GND; typ/max 1.35 at 25°C, 1.50 at -40 to 85°C | 3 | |
| Output Leakage Current | IOFF | 0.5 | µA | VCC 0V, VOUT=5.5V, TA 25°C | 3 | ||
| Output Leakage Current | IOFF | 5 | µA | VCC 0V, VOUT=5.5V, TA -40 to 85°C | 3 | ||
| Propagation Delay Time | tPLH, tPHL | 5.5 | 8 | ns | VCC 5.0±0.5V, CL=15 pF, TA -40 to 85°C max (min 1.0) | 4 | |
| Propagation Delay Time | tPLH, tPHL | 7.9 | 9 | ns | VCC 5.0±0.5V, CL=50 pF, TA -40 to 85°C max (min 1.0) | 4 | |
| 3-STATE Output Enable Time | tPZL, tPZH | 8.3 | 13 | ns | VCC 5.0±0.5V, RL=1 kΩ, CL=15 pF, TA -40 to 85°C max (min 1.0) | 4 | |
| 3-STATE Output Enable Time | tPZL, tPZH | 8.8 | 14 | ns | VCC 5.0±0.5V, RL=1 kΩ, CL=50 pF, TA -40 to 85°C max (min 1.0) | 4 | |
| 3-STATE Output Disable Time | tPLZ, tPHZ | 9.4 | 13.5 | ns | VCC 5.0±0.5V, RL=1 kΩ, CL=50 pF, TA -40 to 85°C max (min 1.0) | 4 | |
| Output to Output Skew | tOSLH, tOSHL | 1 | ns | VCC 5.0±0.5V, CL=50 pF, guaranteed by design | 4 | ||
| Input Capacitance | CIN | 4 | 10 | pF | VCC Open | 4 | |
| Output Capacitance | COUT | 9 | pF | VCC=5.0V | 4 | ||
| Power Dissipation Capacitance | CPD | 19 | pF | Note 9 | 4 | ||
| Quiet Output Maximum Dynamic VOL | VOLP | 1.2 | 1.6 | V | VCC 5.0V, CL=50 pF, TA 25°C | 4 | |
| Quiet Output Minimum Dynamic VOL | VOLV | -1.2 | -1.6 | V | VCC 5.0V, CL=50 pF, TA 25°C | 4 | |
| Minimum HIGH Level Dynamic Input Voltage | VIHD | 2 | V | VCC 5.0V, CL=50 pF, TA 25°C | 4 | ||
| Maximum HIGH Level Dynamic Input Voltage | VILD | 0.8 | V | VCC 5.0V, CL=50 pF, TA 25°C | 4 | ||
| Supply Voltage | VCC | 4.5 | 5.5 | V | 3 | ||
| Input Voltage | VIN | 0 | 5.5 | V | 3 | ||
| Output Voltage | VOUT | 0 | 5.5 | V | Note 3 (outputs OFF or VCC=0V); 0 to VCC per Note 4 | 3 | |
| Operating Temperature | TOPR | -40 | 85 | °C | 3 | ||
| Input Rise and Fall Time | tr, tf | 0 | 20 | ns/V | VCC 5.0V ±0.5V | 3 | |
| Supply Voltage | VCC | -0.5 | 7 | V | 3 | ||
| DC Input Voltage | VIN | -0.5 | 7 | V | 3 | ||
| DC Output Voltage | VOUT | -0.5 | 7 | V | Note 3 | 3 | |
| DC Output Voltage | VOUT | -0.5 | 5.5 | V | Note 4: VCC + 0.5V | 3 | |
| Input Diode Current | IIK | -20 | mA | 3 | |||
| Output Diode Current | IOK | -20 | 20 | mA | Note 5 | 3 | |
| DC Output Current | IOUT | -25 | 25 | mA | 3 | ||
| DC VCC/GND Current | ICC | -75 | 75 | mA | 3 | ||
| Storage Temperature | TSTG | -65 | 150 | °C | 3 | ||
| Lead Temperature | TL | 260 | °C | Soldering, 10 seconds | 3 |
CAD (KiCad official)
- Symbol:
74VHCT541AMX - Footprint:
Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm - 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
- 3D model files:
74vhct541amx-etched.step/74vhct541amx-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74vhct541amx.step/74vhct541amx.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (9 pp, sha256
175d2376d7ea2cd3, retrieved 2026-10-23, 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).