Datasheet

74LVC4245A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 10 — 18 December 2012 9 of 18
NXP Semiconductors
74LVC4245A
Octal dual supply translating transceiver; 3-state
V
M
= 1.5 V at 2.7 V  V
CC(B)
 3.6 V;
V
M
= 0.5 V
CC(A)
at V
CC(A)
 4.5 V.
V
OL
and V
OH
are typical output voltage drops that occur with the output load.
Fig 6. Input (An, Bn) to output (Bn, An) propagation delays
mna366
An, Bn
input
Bn, An
output
t
PHL
t
PLH
GND
V
I
V
M
V
M
V
OH
V
OL
V
M
= 1.5 V at 2.7 V  V
CC(B)
 3.6 V;
V
M
= 0.5 V
CC(A
) at V
CC(A)
 4.5 V.
V
X
= V
OL
+ 0.3 V at V
CC(B)
 2.7 V;
V
Y
= V
OH
 0.3 V at V
CC(B)
 2.7 V.
V
OL
and V
OH
are typical output voltage drops that occur with the output load.
Fig 7. 3-state enable and disable times
mna367
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
OE input
V
I
V
OL
V
OH
V
CC
V
M
GND
GND
t
PZL
t
PZH
V
M
V
M