MC74LVX573DW 查看數據表（PDF） - ON Semiconductor
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MC74LVX573DW Datasheet PDF : 8 Pages
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TIMING REQUIREMENTS (Input tr = tf = 3.0ns)
Symbol
tw(h)
Parameter
Minimum Pulse Width, LE
tsu
Minimum Setup Time, D to LE
th
Minimum Hold Time, D to LE
MC74LVX573
Test Conditions
VCC = 2.7V
VCC = 3.3 ±0.3V
VCC = 2.7V
VCC = 3.3 ±0.3V
VCC = 2.7V
VCC = 3.3 ±0.3V
TA = 25°C
Typ
Limit
6.5
5.0
5.0
3.5
1.5
1.5
TA = – 40
to 85°C
Limit
Unit
7.5
ns
5.0
5.0
ns
3.5
1.5
ns
1.5
D
50%
tPLH
O
50% VCC
SWITCHING WAVEFORMS
VCC
GND
tPHL
tw
LE
50%
tPLH
tPHL
VCC
GND
O
50% VCC
Figure 3.
Figure 4.
OE
O
O
50%
tPZL tPLZ
50% VCC
tPZH tPHZ
50% VCC
Figure 5.
VCC
GND
HIGH
IMPEDANCE
VOL +0.3V
VOL -0.3V
HIGH
IMPEDANCE
VALID
VCC
D
50%
GND
tsu
th
LE
VCC
50%
GND
Figure 6.
TEST CIRCUITS
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
1 kΩ
CL*
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
*Includes all probe and jig capacitance
Figure 7. Propagation Delay Test Circuit
*Includes all probe and jig capacitance
Figure 8. Three–State Test Circuit
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