74lvc2245a NXP Semiconductors, 74lvc2245a Datasheet - Page 10

• Manufacturer Part Number: 74lvc2245a
• Description: Octal Transceiver With Direction Pin; 30 Ohm Series Termination Resistors; 5 V Input/output Tolerant; 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC WAVEFORMS
2003 Nov 17
handbook, full pagewidth
Octal transceiver with direction pin, 30
termination resistors; 5 V tolerant input/output; 3-state
V
1.2 V
2.7 V
3.0 to 3.6 V
1.2 V
2.7 V
3.0 to 3.6 V 1.5 V
OL
and V
V
CC
V
OH
CC
are typical output voltage drop that occur with the output load.
0.5
1.5 V
V
0.5
1.5 V
1.5 V
M
V
CC
V
HIGH-to-OFF
OFF-to-HIGH
OFF-to-LOW
Fig.5 The inputs An, Bn to outputs Bn, An propagation delays.
LOW-to-OFF
M
V
Q n output
Q n output
CC
V
2.7 V
2.7 V
OE input
CC
V
V
2.7 V
2.7 V
I
handbook, halfpage
INPUT
CC
GND
GND
V OH
V CC
V OL
Fig.6 3-state enable and disable times.
V
Bn, An output
V I
An, Bn input
I
t
2.5 ns
2.5 ns
2.5 ns
INPUT
r
= t
GND
f
V OH
V OL
V I
V M
2.5 ns
2.5 ns
2.5 ns
enabled
t
outputs
r
t PLZ
t PHZ
= t
t PLH
V
V
V
V
V
f
X
X
Y
Y
OL
= V
= V
= V
= V
and V
10
V X
OL
OL
OH
OH
V M
V Y
+ 0.3 V at V
+ 0.1 V at V
OH
V M
0.3 V at V
0.1 V at V
series
are typical output voltage drop that occur with the output load.
disabled
outputs
CC
CC
CC
CC
< 2.7 V;
< 2.7 V.
2.7 V;
2.7 V;
t PZL
t PZH
V M
V M
V M
t PHL
MNA176
V M
outputs
enabled
MNA395
74LVC2245A
Product specification