Philips Semiconductors

Product specification

74ALVT16374

2.5V/3.3V 16-bit edge-triggered D-type flip-flop

(3-State)

1999 Oct 18

4

FUNCTION TABLE

INPUTS

INTERNAL

OUTPUTS

OPERATING MODE

nOE

nCP

nDx

REGISTER

nQ0 - nQ7

OPERATING MODE

L

L

↑

↑

l

h

L

H

L

H

Load and read register

L

↑

X

NC

NC

Hold

H

H

↑

↑

X

nDx

NC

nDx

Z

Z

Disable outputs

H = High voltage level

h

= High voltage level one set-up time prior to the High-to-Low E transition

L

= Low voltage level

l

= Low voltage level one set-up time prior to the High-to-Low E transition

NC= No change

X = Don’t care

Z = High impedance “off” state

↑ = Low-to-High clock transition

↑ = Not a Low-to-High clock transition

LOGIC DIAGRAM

CP Q

D

nD0

nQ0

CP Q

D

nD1

CP Q

D

nD2

CP Q

D

nD3

CP Q

D

nD4

CP Q

D

nD5

CP Q

D

nD6

CP Q

D

nD7

nQ1

nQ2

nQ3

nQ4

nQ5

nQ6

nQ7

nCP

nOE

SW00019