Philips Semiconductors Product specification
74ALVT162241
2.5V/3.3V 16-bit buffer/driver with
30 termination resistors (3-State)
1998 Feb 13
7
AC WAVEFORMS
V
M
= 1.5V at V
CC
w 3.0V; V
M
= V
CC
/2 at V
CC
v 2.7V
V
X
= V
OL
+ 0.3V at V
CC
w 3.0V; V
X
= V
OL
+ 0.15V at V
CC
v 2.7V
V
Y
= V
OH
– 0.3V at V
CC
w 3.0V; V
Y
= V
OH
– 0.15V at V
CC
v 2.7V
SW00160
nAx INPUT
V
M
nYx OUTPUT
t
PLH
t
PHL
V
M
V
M
V
M
3.0V or V
CC
,
whichever is less
0V
V
OH
V
OL
Waveform 1. Input (nAx) to Output (nYx) Propagation Delays
nOE
INPUT
V
M
V
M
t
PZH
t
PHZ
nYx
OUTPUT
V
OH
V
M
V
M
nYx
OUTPUT
V
OL
t
PZL
t
PLZ
3.0V or V
CC
0V
V
X
V
Y
3.0V or V
CC
whichever is
less
SW00209
nOE
INPUT
Waveform 2. 3-State Output Enable and Disable Times
TEST CIRCUIT AND WAVEFORMS
PULSE
GENERATOR
R
T
V
IN
D.U.T.
V
OUT
C
L
R
L
V
CC
R
L
OPEN
V
M
V
M
t
W
AMP (V)
NEGATIVE
PULSE
10% 10%
90%
90%
0V
V
M
V
M
t
W
AMP (V)
POSITIVE
PULSE
90% 90%
10%
10%
0V
t
THL
(t
F
)
t
TLH
(t
R
)t
THL
(t
F
)
t
TLH
(t
R
)
V
M
= 1.5V or V
CC
/ 2, whichever is less
Input Pulse Definition
INPUT PULSE REQUIREMENTS
FAMILY
Amplitude Rep. Rate t
W
t
R
t
F
74ALVT16
GND
6V or
V
CC
x 2
SW00162
Test Circuit for 3-State Outputs
SWITCH POSITION
TEST SWITCH
t
PHZ
/t
PZH
GND
t
PLZ
/t
PZL
6V or V
CC
x 2
t
PLH
/t
PHL
open
DEFINITIONS
3.0V or V
CC
whichever
is less
≤10MHz 500ns ≤2.5ns ≤2.5ns
R
L
= Load resistor; see AC CHARACTERISTICS for value.
C
L
= Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
R
T
= Termination resistance should be equal to Z
OUT
of
pulse generators.
