74LVC4245A PHILIPS [NXP Semiconductors], 74LVC4245A Datasheet - Page 8

• Manufacturer Part Number: 74LVC4245A
• Description: Octal dual supply translating transceiver; 3-state
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
1999 Jun 15
handbook, full pagewidth
handbook, full pagewidth
Octal dual supply translating transceiver; 3-state
V
V
V
V
t
t
t
M
M
X
X
PLH
PLZ
PHZ
= V
= V
= 1.5 V at 2.7 V
= 0.5V
TEST
/t
/t
/t
OL
OL
PZL
PHL
PZH
+ 0.3 V at V
+ 0.1 (V
CCA
at V
CCA
open
2
GND
CCA
CCB
V
CCB
V
V
S
4.5 V;
CC
OL
1
) at V
3.6 V;
3.6 V;
HIGH-to-OFF
OFF-to-HIGH
CCA
OFF-to-LOW
LOW-to-OFF
GENERATOR
OUTPUT
OUTPUT
OE INPUT
PULSE
4.5 V
for A and B port
<2.7 V
for B port
2.7 to 3.6 V
for A port
4.5 to 5.5 V
GND
GND
Fig.6 The 3-state enable and disable times.
V OH
V CC
V OL
V I
V
Fig.7 Load circuitry for switching times.
V
V
V
CC
Y
Y
OL
= V
= V
V I
and V
OH
OH
V M
OH
enabled
0.3 V at V
0.1 (V
R T
outputs
t PLZ
are typical output voltage drop that occur with the output load.
t PHZ
V
2.7 V
3.0 V
D.U.T.
CC
V CC
OH
V
CCB
GND) at V
I
V X
8
V Y
V O
3.6 V;
CCA
disabled
outputs
Definitions for test circuit:
R
C
(see chapter “AC characteristics”).
R
impedance Z
50 pF
C L
L
L
T
4.5 V;
= Load resistor; see chapter “AC characteristics”.
= Load capacitance including jig and probe capacitance
= Termination resistance should be equal to the output
t PZL
t PZH
500
500
R L
R L
0
of the pulse generator.
S1
V M
V M
MNA368
outputs
enabled
2
open
GND
MNA367
V CC
74LVC4245A
Product specification