
Philips Semiconductors Low Voltage Products
Objective specification
74LVT373
3.3 Volt ABT octal transparent latch (3–State)
July 1993
7
TEST CIRCUIT AND WAVEFORM
PULSE
GENERATOR
R
T
V
IN
D.U.T
V
OUT
C
L
R
L
V
CC
R
L
OPEN
Test Circuit for 3-State Outputs
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
Input Pulse Definition
DEFINITIONS
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.
INPUT PULSE REQUIREMENTS
FAMILY
Amplitude
Rep. Rate
t
W
t
R
t
F
74LVT
V
CC
(Min)
≤
1MHz
500ns
≤
2.5ns
≤
2.5ns
SWITCH POSITION
TEST
t
PHZ
/t
PZH
t
PLZ
/t
PZL
t
PLH
/t
PHL
SWITCH
GND
6V
open
GND
6V