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74HC245

Octal 3−State Noninverting Bus Transceiver

ON Semiconductor 

74HC245

Octal 3−State Noninverting

Bus Transceiver

High−Performance Silicon−Gate CMOS

The 74HC245 is identical in pinout to the LS245. The device inputs

are compatible with standard CMOS outputs; with pull−up resistors,

they are compatible with LSTTL outputs.

The HC245 is a 3−state noninverting transceiver that is used for

2−way asynchronous communication between data buses. The device

has an active−low Output Enable pin, which is used to place the I/O

ports into high−impedance states. The Direction control determines

whether data flows from A to B or from B to A.

Features

• Output Drive Capability: 15 LSTTL Loads

• Outputs Directly Interface to CMOS, NMOS, and TTL

• Operating Voltage Range: 2.0 to 6.0 V

• Low Input Current: 1.0 mA

• High Noise Immunity Characteristic of CMOS Devices

• In Compliance with the Requirements Defined by JEDEC Standard

No. 7A

• ESD Performance: HBM > 2000 V; Machine Model > 200 V

• Chip Complexity: 308 FETs or 77 Equivalent Gates

• This is a Pb−Free Device

http://onsemi.com

MARKING

DIAGRAMS

20

1

20

TSSOP−20

DT SUFFIX

CASE 948E

1

HC

245

ALYW G

G

HC245

A

L

Y

W

G

= Device Code

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Package

(Note: Microdot may be in either location)

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 2 of this data sheet.

© Semiconductor Components Industries, LLC, 2007

1

March, 2007 − Rev. 1

Publication Order Number:

74HC245/D

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