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74VHCT541AMTCX

Public Made by Adom

by adom

onsemi Buffers, Drivers, Receivers, Transceivers, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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74VHCT541AMTCX

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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74vhct541amtcx.step / 74vhct541amtcx.glb are 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, 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