Használati útmutató Texas Instruments SN74ALVCH162268DL

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FEATURES

DESCRIPTION/ORDERING INFORMATION

DGG OR DL PACKAGE

(TOP VIEW)

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OEA

CLKEN1B

2B3

GND

2B2

2B1

V

CC

A1

A2

A3

GND

A4

A5

A6

A7

A8

A9

GND

A10

A11

A12

V

CC

1B1

1B2

GND

1B3

CLKEN2B

SEL

OEB

CLKENA2

2B4

GND

2B5

2B6

VCC

2B7

2B8

2B9

GND

2B10

2B11

2B12

1B12

1B11

1B10

GND

1B9

1B8

1B7

VCC

1B6

1B5

GND

1B4

CLKENA1

CLK

SN74ALVCH162268

12-BITTO 24-BITREGIS

WITH 3-STATE

SCES018L– AUGUST1995

•Memberof theTexasInstrumentsWidebus™

Family

•OperatesFrom1.65V to3.6V

•Max t

pd of4.8nsat 3.3V

•±24-mAOutputDriveat 3.3V

• ΩB-PortOutputsHave Equivalent26-Serie

Resistors,So NoExternalResistorsAre

Required

•BusHoldon DataInputsEliminatestheN

for ExternalPullup/PulldownResistors

•Latch-UpPerformanceExceeds250 mA

JESD 17

•ESD ProtectionExceedsJESD22

– 2000-VHuman-BodyModel(A114-A)

– 200-VMachineModel(A115-A)

This12-bitto 24-bitregisteredbusexchanger

designedfor1.65-Vto 3.6-VV

CC operation.

TheSN74ALVCH162268is usedforapplications

whichdatamustbetransferredfroma narrow

high-speedbustoa wide,lower-frequencybus.

The deviceprovidessynchronousdataexchange

betweenthetwoports.Datais storedintheinte

registersonthelow-to-hightransitionof the

(CLK)inputwhenthe appropriateclock-enable

( CLKEN)inputsarelow.Theselect( SEL)line

synchronouswithCLKandselects1Bor 2B

datafortheA outputs.

FordatatransferintheA-to-Bdirection,a two-st

storageregisterin theA-to-2Bpath.Properc

presentedsynchronouslyasa 24-bitwordon

( OEA,OEB).Thesecontrolterminalsareregistere

TheB outputs,whicharedesignedtosinkup

and undershoot.

ORDERING INFORMATION

TAPACKAGE (1) ORDERABLEPART NUMBER

Tube SN74ALVCH162268DL

SSOP- DLALVCH162268

Tapeand reelSN74ALVCH162268DLR

-40Cto85CTSSOP- DGGTapeandreelS° °

VFBGA- GQLSN74ALVCH162268KR

Tapeand reelVH2268

VFBGA- ZQL(Pb-free)74ALVCH162268ZQLR

(1) Packagedrawings,standardpackingquantities,therma

www.ti.com/sc/package.

Pleasebe awarethatan importantnoticeconcerning

Instrumentssemiconductorproductsand disclaimers

Widebusisa trademarkofTexasInstruments.

PRODUCTIONDATAinformationis currentasofpublicationdate.

Copyright© 1995–2004,Tex

Productsconformto specicationsperthetermsof theTexas

Instrumentsstandardwarranty.Productionprocessingdoes not

necessarilyincludetestingof allparameters.

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