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MC74VHCT244A Datasheet(PDF) 4 Page - ON Semiconductor

Part No. MC74VHCT244A
Description  Octal Bus Buffer/Line Driver with 3-State Outputs
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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MC74VHCT244A Datasheet(HTML) 4 Page - ON Semiconductor

   
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MC74VHCT244A
MOTOROLA
VHC Data – Advanced CMOS Logic
DL203 — Rev 1
4
Figure 1.
Figure 2.
OEA or OEB
YA or YB
YA or YB
1.5V
tPZL
tPLZ
tPZH
tPHZ
3V
HIGH
IMPEDANCE
VOL +0.3V
VOH –0.3V
HIGH
IMPEDANCE
* Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
Figure 3. Test Circuit
* Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
Figure 4. Test Circuit
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
1 k
TEST CIRCUITS
SWITCHING WAVEFORMS
GND
tPHL
YA or YB
A or B
tPLH
1.5V
1.5V
3V
VOL
VOH
1.5V
1.5V
GND


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