MC74HCT245ADTR2G データシートの表示（PDF） - ON Semiconductor
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MC74HCT245ADTR2G
ON Semiconductor
MC74HCT245ADTR2G Datasheet PDF : 9 Pages
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MC74HCT245A
SWITCHING WAVEFORMS
tr
INPUT
A OR B
tPLH
OUTPUT
B OR A
2.7 V
1.3 V
0.3 V
90%
1.3 V
10%
tTLH
Figure 2.
tf
3.0 V
GND
tPHL
tTHL
DIRECTION
OUTPUT
ENABLE
A OR B
A OR B
1.3 V
1.3 V
tPZL
tPLZ
1.3 V
tPZH
tPHZ
1.3 V
3.0 V
1.3 V
GND
3.0 V
GND
HIGH
IMPEDANCE
10% VOL
90% VOH
HIGH
IMPEDANCE
Figure 3.
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
*Includes all probe and jig capacitance
Figure 4.
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. Test Circuit
http://onsemi.com
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