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74VHC541MTCX

Public Made by Adom

by adom

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

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Contents

README

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74VHC541MTCX

onsemi · Buffers / Drivers · TSSOP-20

74VHC541MTCX 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, active low; outputs are high impedance when OE1 or OE2 is HIGH.
2 I0 input Buffer input 0; tolerates 0V to 7V regardless of supply voltage.
3 I1 input Buffer input 1; tolerates 0V to 7V regardless of supply voltage.
4 I2 input Buffer input 2; tolerates 0V to 7V regardless of supply voltage.
5 I3 input Buffer input 3; tolerates 0V to 7V regardless of supply voltage.
6 I4 input Buffer input 4; tolerates 0V to 7V regardless of supply voltage.
7 I5 input Buffer input 5; tolerates 0V to 7V regardless of supply voltage.
8 I6 input Buffer input 6; tolerates 0V to 7V regardless of supply voltage.
9 I7 input Buffer input 7; tolerates 0V to 7V regardless of supply voltage.
10 GND power_in Ground pin.
11 O7 tri_state 3-STATE output 7, non-inverting buffer of I7.
12 O6 tri_state 3-STATE output 6, non-inverting buffer of I6.
13 O5 tri_state 3-STATE output 5, non-inverting buffer of I5.
14 O4 tri_state 3-STATE output 4, non-inverting buffer of I4.
15 O3 tri_state 3-STATE output 3, non-inverting buffer of I3.
16 O2 tri_state 3-STATE output 2, non-inverting buffer of I2.
17 O1 tri_state 3-STATE output 1, non-inverting buffer of I1.
18 O0 tri_state 3-STATE output 0, non-inverting buffer of I0.
19 OE2 input 3-STATE output enable input 2, active low; outputs are high impedance when OE1 or OE2 is HIGH.
20 VCC power_in Supply voltage, recommended 2.0V to 5.5V (absolute maximum 7.0V).

Key specifications

Parameter Value
Manufacturer onsemi
Package TSSOP-20
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 3
DC Input Voltage VIN -0.5 7 V 3
DC Output Voltage VOUT -0.5 V -0.5V to VCC + 0.5V 3
Input Diode Current IIK -20 mA 3
Output Diode Current IOK -20 20 mA 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 2 5.5 V 3
Input Voltage VIN 0 5.5 V 3
Output Voltage VOUT 0 V 0V to VCC 3
Operating Temperature TOPR -40 85 °C 3
Input Rise and Fall Time tr, tf 0 100 ns/V VCC = 3.3V ±0.3V 3
Input Rise and Fall Time tr, tf 0 20 ns/V VCC = 5.0V ±0.5V 3
HIGH Level Input Voltage VIH 1.5 V VCC = 2.0V, TA = -40°C to 85°C 3
HIGH Level Input Voltage VIH 0.7 xVCC VCC = 3.0-5.5V, TA = -40°C to 85°C 3
LOW Level Input Voltage VIL 0.5 V VCC = 2.0V, TA = -40°C to 85°C 3
LOW Level Input Voltage VIL 0.3 xVCC VCC = 3.0-5.5V, TA = -40°C to 85°C 3
HIGH Level Output Voltage VOH 1.9 V VCC = 2.0V, VIN = VIH or VIL, IOH = -50 µA, TA = -40°C to 85°C 3
HIGH Level Output Voltage VOH 2.9 V VCC = 3.0V, VIN = VIH or VIL, IOH = -50 µA, TA = -40°C to 85°C 3
HIGH Level Output Voltage VOH 4.4 V VCC = 4.5V, VIN = VIH or VIL, IOH = -50 µA, TA = -40°C to 85°C 3
HIGH Level Output Voltage VOH 2.48 V VCC = 3.0V, IOH = -4 mA, TA = -40°C to 85°C 3
HIGH Level Output Voltage VOH 3.8 V VCC = 4.5V, IOH = -8 mA, TA = -40°C to 85°C 3
LOW Level Output Voltage VOL 0.1 V VCC = 2.0V, VIN = VIH or VIL, IOL = 50 µA, TA = -40°C to 85°C 3
LOW Level Output Voltage VOL 0.44 V VCC = 3.0V, IOL = 4 mA, TA = -40°C to 85°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°C to 85°C 3
Input Leakage Current IIN -1 1 µA VCC = 0-5.5V, VIN = 5.5V or GND, TA = -40°C to 85°C 3
Quiescent Supply Current ICC 40 µA VCC = 5.5V, VIN = VCC or GND, TA = -40°C to 85°C 3
Quiescent Supply Current ICC 4 µA VCC = 5.5V, VIN = VCC or GND, TA = 25°C 3
Quiet Output Maximum Dynamic VOL VOLP 0.9 1.2 V VCC = 5.0V, CL = 50 pF, TA = 25°C 3
Quiet Output Minimum Dynamic VOL VOLV -1 -0.8 V VCC = 5.0V, CL = 50 pF, TA = 25°C 3
Minimum HIGH Level Dynamic Input Voltage VIHD 3.5 V VCC = 5.0V, CL = 50 pF, TA = 25°C 3
Maximum HIGH Level Dynamic Input Voltage VILD 1.5 V VCC = 5.0V, CL = 50 pF, TA = 25°C 3
Propagation Delay Time tPLH, tPHL 1 8.5 ns VCC = 3.3V ±0.3V, CL = 15 pF, TA = -40°C to 85°C 4
Propagation Delay Time tPLH, tPHL 1 12 ns VCC = 3.3V ±0.3V, CL = 50 pF, TA = -40°C to 85°C 4
Propagation Delay Time tPLH, tPHL 1 6 ns VCC = 5.0V ±0.5V, CL = 15 pF, TA = -40°C to 85°C 4
Propagation Delay Time tPLH, tPHL 1 8 ns VCC = 5.0V ±0.5V, CL = 50 pF, TA = -40°C to 85°C 4
3-STATE Output Enable Time tPZL, tPZH 1 12.5 ns VCC = 3.3V ±0.3V, RL = 1 kΩ, CL = 15 pF, TA = -40°C to 85°C 4
3-STATE Output Enable Time tPZL, tPZH 1 16 ns VCC = 3.3V ±0.3V, RL = 1 kΩ, CL = 50 pF, TA = -40°C to 85°C 4
3-STATE Output Enable Time tPZL, tPZH 1 8.5 ns VCC = 5.0V ±0.5V, RL = 1 kΩ, CL = 15 pF, TA = -40°C to 85°C 4
3-STATE Output Enable Time tPZL, tPZH 1 10.5 ns VCC = 5.0V ±0.5V, RL = 1 kΩ, CL = 50 pF, TA = -40°C to 85°C 4
3-STATE Output Disable Time tPLZ, tPHZ 1 17.5 ns VCC = 3.3V ±0.3V, RL = 1 kΩ, CL = 50 pF, TA = -40°C to 85°C 4
3-STATE Output Disable Time tPLZ, tPHZ 1 10 ns VCC = 5.0V ±0.5V, CL = 50 pF, TA = -40°C to 85°C 4
Output to Output Skew tOSLH, tOSHL 1.5 ns VCC = 3.3V ±0.3V, CL = 50 pF, TA = -40°C to 85°C (Note 4) 4
Output to Output Skew tOSLH, tOSHL 1 ns VCC = 5.0V ±0.5V, CL = 50 pF, TA = -40°C to 85°C (Note 4) 4
Input Capacitance CIN 4 10 pF VCC = Open 4
Output Capacitance COUT 6 pF VCC = 5.0V 4
Power Dissipation Capacitance CPD 18 pF Note 5 4

CAD (KiCad official)

  • Symbol: 74VHC541MTCX
  • Footprint: Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm
  • 3D model: TSSOP-20 (KiCad packages3D, STEP)
  • 3D model files: 74vhc541mtcx-etched.step / 74vhc541mtcx-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74vhc541mtcx.step / 74vhc541mtcx.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: onsemi datasheet (9 pp, sha256 0707d5a01e161fe0, retrieved 2026-10-30, 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