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| MC74LVX240_11 Datasheet, PDF (5/7 Pages) ON Semiconductor – Octal Bus Buffer | |||
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1Dn, 2Dn
50%
tPHL
1On, 2On
50% VCC
Figure 3.
MC74LVX240
SWITCHING WAVEFORMS
VCC
GND
tPLH
1OE, 2OE
1On, 2On
1On, 2On
50%
tPZL
tPLZ
50% VCC
tPZH
tPHZ
50% VCC
Figure 4.
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 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. Propagation Delay Test Circuit
*Includes all probe and jig capacitance
Figure 6. ThreeâState Test Circuit
http://onsemi.com
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