Használati útmutató Texas Instruments SN74HCT245PWR

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DIR

OE

A1

B1

1

2

18

19

To Seven Other Channels

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

intellectualproperty matters and other important disclaimers. PRODUCTION DATA.

SN54HCT245

,

SN74HCT245

SCLS020F– MARCH1984 – REVISEDAUGUST2016

SNx4HCT245 Octal Bus Transceivers With3-State Outputs

1

1 Features

1

•Operating Voltage Range of4.5 Vto 5.5V

•High-Current 3-State Outputs DriveBus Lines

Directly orup To15-LSTTL Loads

•Low PowerConsumption, 80-µAMaximum ICC

•Typical tpd = 14ns

•±6-mA OutputDrive at5 V

•LowInput Currentof 1µA Maximum

•Inputs AreTTL-Voltage Compatible

2 Applications

•Factory Automation and Control

•Grid Infrastructure

•Electronic Point of Sale

•Multi-Function Printers

•Motor Drives

• Storage

•Telecom Infrastructure

3 Description

The SNx4HCT245 octal bus transceiversare

designed for asynchronous two-way communication

between data buses. The control-function

implementation minimizes external timing

requirements.

The SNx4HCT245 devices allow data transmission

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

A bus,depending uponthe logiclevel atthe direction-

control (DIR)input. Theoutput-enable(OE) input can

be used to disable the device so that the buses are

eectively isolated.

Device Information(1)

PART NUMBERPACKAGEBODY SIZE (NOM)

SN54HCT245JCDIP(20)24.20mm ×6.92 mm

SN54HCT245FKLCCC (20)8.89 mm× 8.89 mm

SN54HCT245WCFP(20)13.09mm ×6.92 mm

SN74HCT245DWSOIC (20)12.80 mm× 7.50mm

SN74HCT245NPDIP(20)24.33mm ×6.35 mm

SN74HCT245NSSOP(20)12.60mm ×5.30 mm

SN74HCT245PWTSSOP (20)6.50 mm× 4.40 mm

SN74HCT245DBSSOP (20)7.80 mm× 7.20 mm

(1)For allavailable packages,see theorderable addendumat

the end of the data sheet.

Logic Diagram(Positive Logic)

Termékspecifikációk