74ALVT16953 Ver la hoja de datos (PDF) - Philips Electronics

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Fabricante

74ALVT16953

2.5V/3.3V 16-bit registered transceiver (3-State)

Philips Electronics 

Philips Semiconductors

2.5V/3.3V 16-bit registered transceiver (3-State)

Product specification

74ALVT16953

FUNCTION TABLE for Register nAx or nBx

INPUTS

nAx or

nBx

nCPXX nCEXX

INTERNAL

Q

OPERATING

MODE

X

X

H

NC

Hold data

L

↑

L

H

↑

L

H

L

Load data

H = High voltage level

L = Low voltage level

↑ = Low-to-High transition

X = Don’t care

XX = AB or BA

NC= No change

LOGIC DIAGRAM

nCEAB

FUNCTION TABLE for Output Enable

INPUTS

nOEXX

INTERNAL

Q

nAx or nBx

OUTPUTS

OPERATING

MODE

H

X

Z

Disable outputs

L

L

L

H

H

L

Enable outputs

H = High voltage level

L = Low voltage level

X = Don’t care

XX = AB or BA

Z = High impedance ”off” state

nCPAB

nOEAB

nA0

nA1

nA2

nA3

nA4

nA5

nA6

nA7

nOEBA

nCEBA

CE Q

D

CP

DETAIL A

Q CE

D

CP

DETAIL A X 7

nB0

nB1

nB2

nB3

nB4

nB5

nB6

nB7

nCPBA

1998 Mar 26

SH00126

4

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