74LVX574 查看數據表（PDF） - ON Semiconductor
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74LVX574 Datasheet PDF : 8 Pages
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MC74LVX574
SWITCHING WAVEFORMS
CP
50%
tw
1/fmax
tPLH
tPHL
Q
50% VCC
VCC
GND
Figure 3.
OE
50%
tPZL tPLZ
O
50% VCC
tPZH tPHZ
O
50% VCC
Figure 4.
VCC
VOL +0.3V
GND
VOL −0.H3IVGH
IMPEDANCE
HIGH
IMPEDANCE
VALID
VCC
D
50%
tsu
th
GND
CP
VCC
50%
GND
Figure 5.
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
TEST CIRCUITS
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
1 kW
CL*
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
*Includes all probe and jig capacitance
Figure 6. Propagation Delay Test Circuit
*Includes all probe and jig capacitance
Figure 7. Three−State Test Circuit
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