IN74HC573A Просмотр технического описания (PDF) - IK Semicon Co., Ltd
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IN74HC573A Datasheet PDF : 6 Pages
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IN74HC573A
D
tPLH
tr
90%
50%
10%
tf
LE
VCC
0В
t PHL
Q
90%
50%
10%
Q
tTLH
tTHL
50%
tw
tPLH
50%
VCC
0В
t PHL
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
OE
50%
t PZL
Q
50%
tPZH
Q
50%
t PLZ
tPHZ
VCC
0В
HIGH
D
IMPEDANCE
10%
VOL
90%
VOH
LE
HIGH
IMPEDANCE
VCC
50%
0В
t su
th
VCC
50%
0В
Figure 3. Switching Waveforms
Figure 4. Switching Waveforms
* Includes all probe and jig capacitance
TEST POINT
DEVICE OUTPUT
UNDER
TEST
*
CL
* Includes all probe and jig capacitance
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
1k
*
CL
Connect to VCC when
testing tPLZ and tPZL
Connect to GND when
testing tPHZ and tPZH
Figure 5. Test Circuit
Figure 6. Test Circuit
EXPANDED LOGIC DIAGRAM
D0
D1
D2
D3
D4
D5
D6
D7
D
D
D
D
D
D
D
D
Q
LE
Q
LE
Q
LE
Q
LE
Q
LE
Q
LE
Q
LE
Q
LE
LE
OE
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Rev. 00
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