SN74HCS245 Octal Bus Transcievers with 3-State Outputs and Schmitt-Trigger Inputs

1 Features

• 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

• Extended ambient temperature range: –40°C to

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 SN74HCS245 is an octal bus transceiver with

3-state outputs and Schmitt-trigger inputs. All eight

channels are controlled by the direction (DIR) pin and

output enable (OE) pin.

Device Information

PART NUMBER

PACKAGE(1)

BODY SIZE (NOM)

SN74HCS245RKS

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

SN74HCS245

SCLS879 – JANUARY 2022

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. PRODUCTION DATA.