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MC74VHC126_11 Datasheet, PDF (6/9 Pages) ON Semiconductor – Quad Bus Buffer with 3−State Control Inputs
◁
50%
A
tPLH
50% VCC
Y
Figure 2.
MC74VHC126
SWITCHING WAVEFORMS
VCC
GND
tPHL
OE
50%
tPZL tPLZ
Y
50% VCC
tPZH tPHZ
Y
50% VCC
Figure 3.
VCC
GND
HIGH
IMPEDANCE
VOL + 0.3V
VOH - 0.3V
HIGH
IMPEDANCE
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
DEVICE
UNDER
TEST
TEST POINT
1 kΩ
OUTPUT
CL *
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
*Includes all probe and jig capacitance
Figure 4. Test Circuit
*Includes all probe and jig capacitance
Figure 5. Test Circuit
INPUT
Figure 6. Input Equivalent Circuit
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