Philips Semiconductors
2.5V/3.3V 16-bit edge-triggered D-type flip-flop
(3-State)
Product specification
74ALVT16374
FUNCTION TABLE
INPUTS
INTERNAL
OUTPUTS
nOE
nCP
nDx
REGISTER
nQ0 - nQ7
L
↑
l
L
L
L
↑
h
H
H
L
↑
X
NC
NC
H
↑
X
NC
Z
H
↑
nDx
nDx
Z
H=
h=
L=
l=
NC=
X=
Z=
↑=
↑=
High voltage level
High voltage level one set-up time prior to the High-to-Low E transition
Low voltage level
Low voltage level one set-up time prior to the High-to-Low E transition
No change
Don’t care
High impedance “off” state
Low-to-High clock transition
Not a Low-to-High clock transition
LOGIC DIAGRAM
nD0
nD1
nD2
nD3
nD4
OPERATING MODE
Load and read register
Hold
Disable outputs
nD5
nD6
nD7
nCP
nOE
D
CP Q
D
CP Q
D
CP Q
D
CP Q
D
CP Q
D
CP Q
D
CP Q
D
CP Q
nQ0
nQ1
nQ2
nQ3
nQ4
nQ5
nQ6
nQ7
SW00019
1999 Oct 18
4