MC74VHC125_11 Datasheet, PDF (5/9 Pages) ON Semiconductor – Quad Bus Buffer with 3−State Control Inputs

50%
A
t_PLH
50% V_CC
Y
Figure 1.
MC74VHC125
SWITCHING WAVEFORMS
V_CC
GND
t_PHL
OE
50%
t_PZL t_PLZ
Y
50% V_CC
t_PZH t_PHZ
Y
50% V_CC
Figure 2.
V_CC
GND
HIGH
IMPEDANCE
V_OL + 0.3V
V_OH - 0.3V
HIGH
IMPEDANCE
TEST POINT
OUTPUT
DEVICE
UNDER
TEST
C_L*
DEVICE
UNDER
TEST
TEST POINT
OUTPUT ^{1 kW}
C_L *
CONNECT TO V_CC WHEN
TESTING t_PLZ AND t_PZL.
CONNECT TO GND WHEN
TESTING t_PHZ AND t_PZH.
*Includes all probe and jig capacitance
Figure 3. Test Circuit
*Includes all probe and jig capacitance
Figure 4. Test Circuit
INPUT
Figure 5. Input Equivalent Circuit
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