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MC74HCT240A Datasheet(PDF) 4 Page - Motorola, Inc

Part No. MC74HCT240A
Description  Octal 3-State Inverting Buffer/Line Driver/Line Receiver with LSTTL-Compatible Inputs
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Maker  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
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MC74HCT240A Datasheet(HTML) 4 Page - Motorola, Inc

   
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MC74HCT240A
MOTOROLA
High–Speed CMOS Logic Data
DL129 — Rev 6
4
SWITCHING WAVEFORMS
INPUT
A OR B
OUTPUT
YA OR YB
3 V
GND
tf
tr
2.7 V
1.3 V
0.3 V
90%
1.3 V
10%
tPHL
tPLH
tTHL
tTLH
ENABLE
A OR B
OUTPUT Y
OUTPUT Y
1.3 V
1.3 V
1.3 V
90%
10%
tPZL
tPLZ
tPZH
tPHZ
3 V
GND
HIGH
IMPEDANCE
VOL
VOH
HIGH
IMPEDANCE
Figure 1.
Figure 2.
* 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
LOGIC DETAIL
INPUT
A OR B
OUTPUT ENABLES
ENABLE A OR ENABLE B
TO THREE OTHER
A OR B INVERTERS
ONE OF 8
INVERTERS
YA
OR
YB
VCC


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