component
74VHCT541AMTCX
Public Made by Adomby adom
onsemi Buffers, Drivers, Receivers, Transceivers, TSSOP-20. 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
markdown74VHCT541AMTCX
onsemi · Buffers, Drivers, Receivers, Transceivers · TSSOP-20
74VHCT541AMTCX from onsemi, in a TSSOP-20. 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 in high impedance when OE1 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, high impedance when either OE1 or OE2 is HIGH. |
| 12 | O6 | tri_state | 3-STATE output 6, high impedance when either OE1 or OE2 is HIGH. |
| 13 | O5 | tri_state | 3-STATE output 5, high impedance when either OE1 or OE2 is HIGH. |
| 14 | O4 | tri_state | 3-STATE output 4, high impedance when either OE1 or OE2 is HIGH. |
| 15 | O3 | tri_state | 3-STATE output 3, high impedance when either OE1 or OE2 is HIGH. |
| 16 | O2 | tri_state | 3-STATE output 2, high impedance when either OE1 or OE2 is HIGH. |
| 17 | O1 | tri_state | 3-STATE output 1, high impedance when either OE1 or OE2 is HIGH. |
| 18 | O0 | tri_state | 3-STATE output 0, high impedance when either OE1 or OE2 is HIGH. |
| 19 | OE2 | input | 3-STATE output enable input 2; outputs are in high impedance when 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 | TSSOP-20 |
| Category | Logic |
| 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 | 3 | ||
| DC Input Voltage | VIN | -0.5 | 7 | V | 3 | ||
| DC Output Voltage | VOUT | -0.5 | 7 | V | Note 3: outputs OFF-state or VCC = 0V | 3 | |
| DC Output Voltage | VOUT | -0.5 | V | Note 4: HIGH or LOW state; max VCC + 0.5V | 3 | ||
| Input Diode Current | IIK | 20 | mA | 3 | |||
| Output Diode Current | IOK | -20 | 20 | mA | Note 5: outputs active | 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 | ||
| Supply Voltage | VCC | 4.5 | 5.5 | V | 3 | ||
| Input Voltage | VIN | 0 | 5.5 | V | 3 | ||
| Output Voltage | VOUT | 0 | V | Note 4: HIGH or LOW state; max VCC | 3 | ||
| Output Voltage | VOUT | 0 | 5.5 | V | Note 3: outputs OFF-state or VCC = 0V | 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 | |
| HIGH Level Input Voltage | VIH | 2 | V | TA 25°C; VCC 4.5 to 5.5V | 3 | ||
| LOW Level Input Voltage | VIL | 0.8 | V | TA 25°C; VCC 4.5 to 5.5V | 3 | ||
| HIGH Level Output Voltage | VOH | 4.4 | 4.5 | V | TA 25°C; VCC 4.5V; VIN VIH; IOH 50 µA | 3 | |
| HIGH Level Output Voltage | VOH | 4.4 | V | TA -40 to 85°C; VCC 4.5V; VIN VIH; IOH 50 µA | 3 | ||
| HIGH Level Output Voltage | VOH | 3.94 | V | TA 25°C; VCC 4.5V; IOH 8 mA | 3 | ||
| HIGH Level Output Voltage | VOH | 3.8 | V | TA -40 to 85°C; VCC 4.5V; IOH 8 mA | 3 | ||
| LOW Level Output Voltage | VOL | 0 | 0.1 | V | TA 25°C; VCC 4.5V; VIN VIL; IOL 50 µA | 3 | |
| LOW Level Output Voltage | VOL | 0.1 | V | TA -40 to 85°C; VCC 4.5V; VIN VIL; IOL 50 µA | 3 | ||
| LOW Level Output Voltage | VOL | 0.36 | V | TA 25°C; VCC 4.5V; IOL 8 mA | 3 | ||
| LOW Level Output Voltage | VOL | 0.44 | V | TA -40 to 85°C; VCC 4.5V; IOL 8 mA | 3 | ||
| 3-STATE Output Off-State Current | IOZ | -0.25 | 0.25 | µA | TA 25°C; VCC 5.5V; VIN VIH or VIL; VOUT VCC or GND | 3 | |
| 3-STATE Output Off-State Current | IOZ | -2.5 | 2.5 | µA | TA -40 to 85°C; VCC 5.5V; VIN VIH or VIL; VOUT VCC or GND | 3 | |
| Input Leakage Current | IIN | -0.1 | 0.1 | µA | TA 25°C; VCC 0 to 5.5V; VIN 5.5V or GND | 3 | |
| Input Leakage Current | IIN | -1 | 1 | µA | TA -40 to 85°C; VCC 0 to 5.5V; VIN 5.5V or GND | 3 | |
| Quiescent Supply Current | ICC | 4 | µA | TA 25°C; VCC 5.5V; VIN VCC or GND | 3 | ||
| Quiescent Supply Current | ICC | 40 | µA | TA -40 to 85°C; VCC 5.5V; VIN VCC or GND | 3 | ||
| Maximum ICC/Input | ICCT | 1.35 | 1.5 | mA | TA 25°C; VCC 5.5V; VIN 3.4V; other inputs VCC or GND | 3 | |
| Output Leakage Current | IOFF | 0.5 | 5 | µA | TA 25°C; VCC 0V; VOUT 5.5V | 3 | |
| Quiet Output Maximum Dynamic VOL | VOLP | 1.2 | 1.6 | V | TA 25°C; VCC 5.0V; CL 50 pF | 4 | |
| Quiet Output Minimum Dynamic VOL | VOLV | 1.2 | 1.6 | V | TA 25°C; VCC 5.0V; CL 50 pF | 4 | |
| Minimum HIGH Level Dynamic Input Voltage | VIHD | 2 | V | TA 25°C; VCC 5.0V; CL 50 pF | 4 | ||
| Maximum LOW Level Dynamic Input Voltage | VILD | 0.8 | V | TA 25°C; VCC 5.0V; CL 50 pF | 4 | ||
| Propagation Delay Time LOW-to-HIGH | tPLH | 5 | 6.9 | ns | TA 25°C; VCC 5.0±0.5V; CL 15 pF | 4 | |
| Propagation Delay Time LOW-to-HIGH | tPLH | 1 | 8 | ns | TA -40 to 85°C; VCC 5.0±0.5V; CL 15 pF | 4 | |
| Propagation Delay Time HIGH-to-LOW | tPHL | 5.5 | 7.9 | ns | TA 25°C; VCC 5.0±0.5V; CL 50 pF | 4 | |
| Propagation Delay Time HIGH-to-LOW | tPHL | 1 | 9 | ns | TA -40 to 85°C; VCC 5.0±0.5V; CL 50 pF | 4 | |
| 3-STATE Output Enable Time LOW | tPZL | 8.3 | 11.3 | ns | TA 25°C; VCC 5.0±0.5V; RL 1 kΩ; CL 15 pF | 4 | |
| 3-STATE Output Enable Time LOW | tPZL | 1 | 13 | ns | TA -40 to 85°C; VCC 5.0±0.5V; RL 1 kΩ; CL 15 pF | 4 | |
| 3-STATE Output Enable Time HIGH | tPZH | 8.8 | 12.3 | ns | TA 25°C; CL 50 pF | 4 | |
| 3-STATE Output Enable Time HIGH | tPZH | 1 | 14 | ns | TA -40 to 85°C; CL 50 pF | 4 | |
| 3-STATE Output Disable Time | tPLZ, tPHZ | 9.4 | 11.9 | ns | TA 25°C; VCC 5.0±0.5V; RL 1 kΩ; CL 50 pF | 4 | |
| 3-STATE Output Disable Time | tPLZ, tPHZ | 1 | 13.5 | ns | TA -40 to 85°C; VCC 5.0±0.5V; RL 1 kΩ; CL 50 pF | 4 | |
| Output to Output Skew | tOSLH, tOSHL | 1 | ns | TA 25°C; VCC 5.0±0.5V; CL 50 pF; Note 8 | 4 | ||
| Input Capacitance | CIN | 4 | 10 | pF | TA 25°C; VCC open | 4 | |
| Input Capacitance | CIN | 10 | pF | TA -40 to 85°C; VCC open | 4 |
CAD (KiCad official)
- Symbol:
74VHCT541AMTCX - Footprint:
Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm - 3D model: TSSOP-20 (KiCad packages3D, STEP)
- 3D model files:
74vhct541amtcx-etched.step/74vhct541amtcx-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74vhct541amtcx.step/74vhct541amtcx.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (9 pp, sha256
175d2376d7ea2cd3, retrieved 2026-10-21, 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).