MC74VHCT125A Datasheet, PDF (4/8 Pages) ON Semiconductor – Quad Bus Buffer

A
tPLH
Y
1.5V
1.5V
Figure 1.
MC74VHCT125A
SWITCHING WAVEFORMS
3.0V
GND
tPHL
VOH
VOL
OE
1.5V
tPZL tPLZ
Y
1.5V
tPZH tPHZ
Y
1.5V
Figure 2.
3.0V
GND
HIGH
IMPEDANCE
VOL + 0.3V
VOH – 0.3V
HIGH
IMPEDANCE
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
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 3. Test Circuit
*Includes all probe and jig capacitance
Figure 4. Test Circuit
MARKING DIAGRAMS
(Top View)
14 13 12 11 10 9 8
VHCT125A
AWLYWW*
1234567
14 13 12 11 10 9 8
VHCT
125A
ALYW*
1234567
14–LEAD SOIC
D SUFFIX
CASE 751A
14–LEAD TSSOP
DT SUFFIX
CASE 948G
14 13 12 11 10 9 8
VHCT125A
AWLYWW*
1234567
14–LEAD SOIC EIAJ
M SUFFIX
CASE 965
*See Applications Note #AND8004/D for date code and traceability information.
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