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MC74LVX245 Datasheet, PDF (5/8 Pages) Motorola, Inc – LOW-VOLTAGE CMOS
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Input
A or B
50%
tPLH
Output
B or A
50% VCC
Figure 3.
MC74LVX245
SWITCHING WAVEFORMS
T/R
VCC
GND
tPHL
OE
A or B
A or B
50% VCC
tPZL
tPLZ
50% VCC
tPZH
tPHZ
50% VCC
Figure 4.
50%
50% VCC
VCC
GND
VCC
GND
HIGH
IMPEDANCE
VOL +0.3V
VOH −0.3V
HIGH
IMPEDANCE
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 5. Propagation Delay Test Circuit
*Includes all probe and jig capacitance
Figure 6. 3−State Test Circuit
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