MC74VHC125 ON Semiconductor, MC74VHC125 Datasheet - Page 4

• Manufacturer Part Number: MC74VHC125
• Description: Quad Bus Buffer
• Manufacturer: ON Semiconductor

A
Y
*Includes all probe and jig capacitance
t PLH
50% V CC
DEVICE
UNDER
TEST
Figure 3. Test Circuit
50%
Figure 1.
OUTPUT
TEST POINT
C L *
INPUT
t PHL
Figure 5. Input Equivalent Circuit
SWITCHING WAVEFORMS
GND
V CC
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MC74VHC125
4
DEVICE
UNDER
TEST
OE
Y
Y
*Includes all probe and jig capacitance
OUTPUT
TEST POINT
50%
Figure 4. Test Circuit
50% V CC
50% V CC
t PZH t PHZ
1 k
t PZL t PLZ
C L *
Figure 2.
CONNECT TO V CC WHEN
TESTING t PLZ AND t PZL.
CONNECT TO GND WHEN
TESTING t PHZ AND t PZH.
V OL + 0.3V
V OH – 0.3V
V CC
GND
HIGH
IMPEDANCE
HIGH
IMPEDANCE