Datasheet

74LVC574A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 5 — 18 December 2012 10 of 19
NXP Semiconductors
74LVC574A
Octal D-type flip-flop; 5 V tolerance; positive edge-trigger; 3-state
Measurement points are given in Table 8.
V
OL
and V
OH
are typical output voltage levels that occur with the output load.
Fig 9. 3-state enable and disable times
mna80
t
PLZ
t
PHZ
outputs
disabled
outputs
enable
V
Y
V
X
outputs
enabled
Q
n
output
LOW-to-OFF
OFF-to-LOW
Q
n
output
HIGH-to-OFF
OFF-to-HIGH
OE input
V
OL
V
OH
V
CC
V
I
V
M
GND
GND
t
PZL
t
PZH
V
M
V
M
Table 8. Measurement points
Supply voltage Input Output
V
CC
V
I
V
M
V
M
V
X
V
Y
1.2 V V
CC
0.5  V
CC
0.5  V
CC
V
OL
+ 0.15 V V
OH
 0.15 V
1.65 V to 1.95 V V
CC
0.5  V
CC
0.5  V
CC
V
OL
+ 0.15 V V
OH
 0.15 V
2.3 V to 2.7 V V
CC
0.5  V
CC
0.5  V
CC
V
OL
+ 0.15 V V
OH
 0.15 V
2.7 V 2.7 V 1.5 V 1.5 V V
OL
+ 0.3 V V
OH
 0.3 V
3.0 V to 3.6 V 2.7 V 1.5 V 1.5 V V
OL
+ 0.3 V V
OH
 0.3 V