74LVC16245A Philips, 74LVC16245A Datasheet - Page 6

• Manufacturer Part Number: 74LVC16245A
• Description: 16-bit bus transceiver with direction pin; 5V tolerant 3-State
• Manufacturer: Philips

Philips Semiconductors
AC WAVEFORMS
V
V
output load.
V
V
1997 Sep 25
M
OL
X
Y
16-bit bus transceiver with direction pin; 5V tolerant
(3-State)
OUTPUT
LOW-to-OFF
OFF-to-LOW
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
= V
= V
OE INPUT
= 1.5V at V
and V
GND
V
V
V
GND
V
OL
OH
Waveform 1. Input (nAn, nBn) to output (nBn, nAn)
CC
OL
OH
I
V
An, Bn
INPUT
GND
V
Bn, An
OUTPUT
V
Waveform 2. 3-State enable and disable times
I
OH
OL
+ 0.3V at V
–0.3V at V
OH
are the typical output voltage drop that occur with the
CC
w 2.7V; V
outputs
enabled
V
CC
V
CC
propagation delay times
M
M
t
t
PHL
PLZ
t
w 2.7V; V
w 2.7V; V
PHZ
M
= 0.5 V
V
M
V
Y
X
V
X
Y
= V
= V
CC
OH
OL
outputs
disabled
at V
– 0.1 V
+ 0.1 V
CC
t
PLH
t
t 2.7V.
PZL
t
PZH
SW00063
CC
CC
at V
at V
V
CC
CC
M
V
M
SW00064
t 2.7V
outputs
enabled
t 2.7V
6
TEST CIRCUIT
DEFINITIONS
R
C
R
GENERATOR
SWITCH POSITION
t
t
t
PHZ
L
L
T
PLH
PLZ
TEST
PULSE
= Load resistor
= Load capacitance includes jig and probe capacitance
= Termination resistance should be equal to Z
Waveform 3. Load circuitry for switching times
of pulse generators.
/t
/t
/t
PHL
PZL
PZH
Test Circuit for 3-State Outputs
SWITCH
2<V
Open
GND
V
IN
CC
R
T
D.U.T.
V
CC
2.7 – 3.6V
74LVCH16245A
t 2.7V
74LVC16245A/
V
V
OUT
CC
C
L
Product specification
2.7V
V
V
CC
IN
OUT
S
1
R
R
L
L
=500
=500
2<V
GND
Open
SW00047
CC