DIR

OE

A1

B1

1

2

18

19

To Seven Other Channels

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

SN54HC245, SN74HC245

SCLS131E – DECEMBER 1982 – REVISED SEPTEMBER 2015

SNx4HC245 Octal Bus Transceivers With 3-State Outputs

1 Features

3 Description

These octal bus transceivers are designed for

1

•

Wide Operating Voltage Range of 2 V to 6 V

asynchronous two-way communication between data

•

High-Current 3-State Outputs Drive Bus Lines

buses. The control-function implementation minimizes

Directly or Up to 15 LSTTL Loads

external timing requirements.

•

Low Power Consumption, 80-

The devices allow data transmission from the A bus

•

to the B bus or from the B bus to the A bus,

•

±6-mA Output Drive at 5 V

depending on the logic level at the direction-control

(DIR) input. The output-enable (OE) input can be

•

Low Input Current of 1

μA Max

used to disable the device so that the buses are

•

On Products Compliant to MIL-PRF-38535,

effectively isolated.

All Parameters Are Tested Unless Otherwise

Noted. On All Other Products, Production

Device Information

Processing Does Not Necessarily Include Testing

PART NUMBER

PACKAGE

BODY SIZE (NOM)

of All Parameters.

SSOP (20)

7.20 mm × 5.30 mm

SOIC (20)

12.80 mm × 7.50 mm

2 Applications

SNx4HC245

PDIP (20)

24.33 mm × 6.35 mm

•

Servers

SOP (20)

12.60 mm × 5.30 mm

•

PCs and Notebooks

TSSOP (20)

6.50 mm × 4.40 mm

•

Network Switches

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

•

Wearable Health and Fitness Devices

•

Telecom Infrastructures

•

Electronic Points of Sale

Logic Diagram (Positive Logic)

1

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.