Datasheet

74LVC_LVCH16245A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 12 — 13 February 2012 11 of 20
NXP Semiconductors
74LVC16245A; 74LVCH16245A
16-bit bus transceiver with direction pin; 5 V tolerant; 3-state
Measurement points are given in Table 8.
Logic levels: V
OL
and V
OH
are typical output voltage levels that occur with the output load.
Fig 8. 3-state enable and disable times
mna362
t
PLZ
t
PHZ
outputs
disabled
outputs
enabled
V
Y
V
X
outputs
enabled
output
LOW-to-OFF
OFF-to-LOW
output
HIGH-to-OFF
OFF-to-HIGH
nOE input
V
I
V
OL
V
OH
V
CC
V
M
GND
GND
t
PZL
t
PZH
V
M
V
M
Table 8. Measurement points
Supply voltage V
M
Input
V
CC
V
I
t
r
=t
f
V
X
V
Y
1.2 V 0.5 V
CC
V
CC
2.5 ns V
OL
+ 0.15 V V
OH
0.15 V
1.65 V to 1.95 V 0.5 V
CC
V
CC
2.5 ns V
OL
+ 0.15 V V
OH
0.15 V
2.3 V to 2.7 V 0.5 V
CC
V
CC
2.5 ns V
OL
+ 0.15 V V
OH
0.15 V
2.7V 1.5V 2.7V 2.5 ns V
OL
+ 0.3 V V
OH
0.3 V
3.0V to 3.6V 1.5V 2.7V 2.5 ns V
OL
+ 0.3 V V
OH
0.3 V