MC74VHC245DWG 데이터 시트보기 (PDF) - ON Semiconductor
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MC74VHC245DWG Datasheet PDF : 8 Pages
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A or B
tPLH
B or A
50%
50% VCC
Figure 3.
MC74VHC245
SWITCHING WAVEFORMS
VCC
GND
tPHL
DIR
OE
A or B
A or B
50%
50% VCC
tPZL
tPLZ
50% VCC
tPZH tPHZ
50% VCC
50% VCC
Figure 4.
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 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 5.
*Includes all probe and jig capacitance
Figure 6.
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