SN74HCS541-Q1 Automotive Octal Buffers and Line Drivers with Schmitt-Trigger

Inputs, 3-State Outputs, and Flow-Through Pinout

1 Features

• AEC-Q100 qualified for automotive applications:

– Device temperature grade 1:

– Device HBM ESD Classification Level 2

– Device CDM ESD Classifcation Level C6

• Available in wettable flank QFN (WRKS) package

• Wide operating voltage range: 2 V to 6 V

• Schmitt-trigger inputs allow for slow or noisy input

signals

• Low power consumption

– Typical input leakage current of ±100 nA

• ±7.8-mA output drive at 6 V

2 Applications

• Enable or Disable a Digital Signal

• Eliminate Slow or Noisy Input Signals

• Hold a Signal During Controller Reset

• Debounce a Switch

3 Description

The SN74HCS541-Q1 contains eight buffers with 3-

state outputs and Schmitt-trigger inputs. The active

low output enable pins (OE1, OE2) control all eight

channels, and are configured such that both must be

low for the outputs to be active.

Device Information

PART NUMBER

PACKAGE(1)

BODY SIZE (NOM)

SN74HCS541PW-Q1

TSSOP (20)

6.50 mm × 4.40 mm

SN74HCS541WRKS-Q1

VQFN (20)

4.50 mm × 2.50 mm

(1)

For all available packages, see the orderable addendum at

the end of the data sheet.

Input Voltage

Schmitt-trigger

CMOS Input

Response

Waveforms

Standard

CMOS Input

Response

Waveforms

Input Voltage

Input Voltage

Time

Time

Input Voltage

Waveforms

Low Power

Noise Rejection

Supports Slow Inputs

Time

Time

Time

Time

Benefits of Schmitt-trigger inputs

SN74HCS541-Q1

SCLS859 – NOVEMBER 2021

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. ADVANCE INFORMATION for preproduction products; subject to change

without notice.