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74VHC541FT

Public Made by Adom

by adom

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

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74VHC541FT

TOSHIBA · Buffers, Drivers, Receivers, Transceivers · TSSOP-20

74VHC541FT from TOSHIBA, 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 G1 input Active-low output enable 1; when G1 or G2 is high the outputs are high-impedance, inputs accept 0 to 5.5 V.
2 A1 input Data input 1, accepts 0 to 5.5 V regardless of supply voltage.
3 A2 input Data input 2, accepts 0 to 5.5 V regardless of supply voltage.
4 A3 input Data input 3, accepts 0 to 5.5 V regardless of supply voltage.
5 A4 input Data input 4, accepts 0 to 5.5 V regardless of supply voltage.
6 A5 input Data input 5, accepts 0 to 5.5 V regardless of supply voltage.
7 A6 input Data input 6, accepts 0 to 5.5 V regardless of supply voltage.
8 A7 input Data input 7, accepts 0 to 5.5 V regardless of supply voltage.
9 A8 input Data input 8, accepts 0 to 5.5 V regardless of supply voltage.
10 GND power_in Ground (0 V) reference.
11 Y8 tri_state Non-inverting 3-state output 8, high-impedance when G1 or G2 is high.
12 Y7 tri_state Non-inverting 3-state output 7, high-impedance when G1 or G2 is high.
13 Y6 tri_state Non-inverting 3-state output 6, high-impedance when G1 or G2 is high.
14 Y5 tri_state Non-inverting 3-state output 5, high-impedance when G1 or G2 is high.
15 Y4 tri_state Non-inverting 3-state output 4, high-impedance when G1 or G2 is high.
16 Y3 tri_state Non-inverting 3-state output 3, high-impedance when G1 or G2 is high.
17 Y2 tri_state Non-inverting 3-state output 2, high-impedance when G1 or G2 is high.
18 Y1 tri_state Non-inverting 3-state output 1, high-impedance when G1 or G2 is high.
19 G2 input Active-low output enable 2; when G1 or G2 is high the outputs are high-impedance, inputs accept 0 to 5.5 V.
20 VCC power_in Positive supply, operating range 2.0 V to 5.5 V (absolute maximum -0.5 to 7.0 V).

Key specifications

Parameter Value
Manufacturer TOSHIBA
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
High-level input voltage (VCC = 2.0 V) VIH 1.5 V VCC = 2.0 V; Ta = 25 °C 4
Low-level input voltage (VCC = 2.0 V) VIL 0.5 V VCC = 2.0 V; Ta = 25 °C 4
High-level output voltage VOH 1.9 V VCC = 2.0 V; VIN = VIH or VIL; IOH = -50 µA; Ta = 25 °C 4
High-level output voltage VOH 2.9 V VCC = 3.0 V; VIN = VIH or VIL; IOH = -50 µA; Ta = 25 °C 4
High-level output voltage VOH 4.4 V VCC = 4.5 V; VIN = VIH or VIL; IOH = -50 µA; Ta = 25 °C 4
High-level output voltage VOH 2.58 V VCC = 3.0 V; VIN = VIH or VIL; IOH = -4 mA; Ta = 25 °C 4
High-level output voltage VOH 3.94 V VCC = 4.5 V; VIN = VIH or VIL; IOH = -8 mA; Ta = 25 °C 4
Low-level output voltage VOL 0.1 V VCC = 2.0 V; IOL = 50 µA; Ta = 25 °C 4
Low-level output voltage VOL 0.36 V VCC = 3.0 V; IOL = 4 mA; Ta = 25 °C 4
3-state output OFF-state leakage current IOZ -0.25 0.25 µA VCC = 5.5 V; VOUT = VCC or GND; Ta = 25 °C 4
Input leakage current IIN -0.1 0.1 µA VCC = 0 to 5.5 V; VIN = 5.5 V or GND; Ta = 25 °C 4
Quiescent supply current ICC 4 µA VCC = 5.5 V; VIN = VCC or GND; Ta = 25 °C 4
High-level output voltage VOH 2.48 V VCC = 3.0 V; VIN = VIH or VIL; IOH = -4 mA; Ta = -40 to 85 °C 4
High-level output voltage VOH 3.8 V VCC = 4.5 V; VIN = VIH or VIL; IOH = -8 mA; Ta = -40 to 85 °C 4
Low-level output voltage VOL 0.44 V VCC = 3.0 V; IOL = 4 mA; Ta = -40 to 85 °C 4
3-state output OFF-state leakage current IOZ -2.5 2.5 µA VCC = 5.5 V; VOUT = VCC or GND; Ta = -40 to 85 °C 4
Input leakage current IIN -1 1 µA VCC = 0 to 5.5 V; VIN = 5.5 V or GND; Ta = -40 to 85 °C 4
Quiescent supply current ICC 40 µA VCC = 5.5 V; VIN = VCC or GND; Ta = -40 to 85 °C 4
High-level input voltage (VCC = 2.0 V) VIH 1.5 V VCC = 2.0 V; Ta = -40 to 125 °C 5
Low-level input voltage (VCC = 2.0 V) VIL 0.5 V VCC = 2.0 V; Ta = -40 to 125 °C 5
High-level output voltage VOH 1.9 V VCC = 2.0 V; VIN = VIH or VIL; IOH = -50 µA; Ta = -40 to 125 °C 5
High-level output voltage VOH 2.9 V VCC = 3.0 V; VIN = VIH or VIL; IOH = -50 µA; Ta = -40 to 125 °C 5
High-level output voltage VOH 4.4 V VCC = 4.5 V; VIN = VIH or VIL; IOH = -50 µA; Ta = -40 to 125 °C 5
High-level output voltage VOH 2.4 V VCC = 3.0 V; VIN = VIH or VIL; IOH = -4 mA; Ta = -40 to 125 °C 5
High-level output voltage VOH 3.7 V VCC = 4.5 V; VIN = VIH or VIL; IOH = -8 mA; Ta = -40 to 125 °C 5
Low-level output voltage VOL 0.1 V VCC = 2.0 V; IOL = 50 µA; Ta = -40 to 125 °C 5
Low-level output voltage VOL 0.55 V VCC = 3.0 V; IOL = 4 mA; Ta = -40 to 125 °C 5
3-state output OFF-state leakage current IOZ -10 10 µA VCC = 5.5 V; VOUT = VCC or GND; Ta = -40 to 125 °C 5
Input leakage current IIN -2 2 µA VCC = 0 to 5.5 V; VIN = 5.5 V or GND; Ta = -40 to 125 °C 5
Quiescent supply current ICC 80 µA VCC = 5.5 V; VIN = VCC or GND; Ta = -40 to 125 °C 5
Supply voltage VCC -0.5 7 V 3
Input voltage VIN -0.5 7 V 3
Output voltage VOUT -0.5 V Printed as -0.5 to VCC + 0.5 V 3
Input diode current IIK -20 mA 3
Output diode current IOK -20 20 mA 3
Output current IOUT -25 25 mA 3
VCC/ground current ICC -75 75 mA 3
Power dissipation PD 180 mW Ta = -40 to 85 °C; derate -3.25 mW/°C from 85 to 125 °C down to 50 mW 3
Storage temperature Tstg -65 150 °C 3
Supply voltage VCC 2 5.5 V 3
Input voltage VIN 0 5.5 V 3
Output voltage VOUT 0 V Printed as 0 to VCC 3
Operating temperature Topr -40 125 °C 3
Input rise and fall time dt/dv 0 100 ns/V VCC = 3.3 ±0.3 V 3
Input rise and fall time dt/dv 0 20 ns/V VCC = 5.0 ±0.5 V 3

CAD (KiCad official)

  • Symbol: 74VHC541FT
  • Footprint: Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm
  • 3D model: TSSOP-20 (KiCad packages3D, STEP)
  • 3D model files: 74vhc541ft-etched.step / 74vhc541ft-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74vhc541ft.step / 74vhc541ft.glb are the bare package body.

Provenance

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

  • Datasheet: TOSHIBA datasheet (9 pp, sha256 dad343e5873d3a7b, retrieved 2026-10-17, tier: lcsc)
  • 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