74ALVT16952 Просмотр технического описания (PDF) - Philips Electronics

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74ALVT16952

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

Philips Electronics 

Philips Semiconductors

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

Product specification

74ALVT16952

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

L

H

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

L

H

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

CE Q

D

CP

DETAIL A

Q CE

D

nB0

CP

nA1

nB1

nA2

nB2

nA3

nB3

nA4

DETAIL A X 7

nB4

nA5

nB5

nA6

nB6

nA7

nB7

nCEBA

nCPBA

nOEBA

SH00072

1998 Mar 19

4

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