
A
tPLH
O
VALID
50%
50% VCC
MC74LVX138
SWITCHING WAVEFORMS
VALID
VCC
GND
tPHL
E3
tPHL
O
50%
50% VCC
Figure 1.
Figure 2.
VCC
GND
tPLH
E2 or E1 50%
O
tPHL
50% VCC
Figure 4.
VCC
GND
tPLH
TEST CIRCUIT
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
*Includes all probe and jig capacitance
Figure 5.
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