74lvt573d NXP Semiconductors, 74lvt573d Datasheet - Page 7

• Manufacturer Part Number: 74lvt573d
• Description: 3.3v Octal D-type Transparent Latch 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TEST CIRCUIT AND WAVEFORM
2001 Dec 17
3.3 V Octal D-type transparent latch
(3-State)
Waveform 4. 3-State Output Enable Time to High Level and
GENERATOR
SWITCH POSITION
DEFINITIONS
R
C
R
OE
t
Qn
PULSE
t
t
PLH
T
PHZ
L
L
PLZ
TEST
= Load resistor; see AC CHARACTERISTICS for value.
= Load capacitance includes jig and probe capacitance;
= Termination resistance should be equal to Z
/t
/t
/t
PHL
PZL
PZH
see AC CHARACTERISTICS for value.
pulse generators.
Output Disable Time from High Level
Test Circuit for 3-State Outputs
SWITCH
V
1.5V
Open
GND
IN
t
6V
PZH
R
T
1.5V
1.5V
V
D.U.T.
CC
t
PHZ
V
OUT
C
L
V
OH
–0.3V
OUT
SV00119
0V
R
R
2.7V
0V
V
L
L
OH
of
6.0 V
GND
Open
7
FAMILY
74LVT
NEGATIVE
PULSE
POSITIVE
PULSE
Waveform 5. 3-State Output Enable Time to Low Level and
OE
90%
10%
Qn
Amplitude
2.7 V
Output Disable Time from Low Level
V
V
M
10%
90%
M
Input Pulse Definition
INPUT PULSE REQUIREMENTS
t
t
THL
TLH
1.5V
t
PZL
V
Rep. Rate
(t
(t
M
F
R
10 MHz
)
)
= 1.5 V
t
t
W
W
1.5V
1.5V
10%
90%
500 ns
t
W
V
t
PLZ
V
M
M
74LVT573
2.5 ns
90%
10%
t
R
t
t
TLH
THL
V
V
OL
OL
SV00120
Product data
SV00092
(t
(t
+0.3V
0V
0V
AMP (V)
AMP (V)
R
F
2.5 ns
)
t
)
2.7V
0V
3V
F