MC74HCT573AN データシートの表示（PDF） - ON Semiconductor
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MC74HCT573AN
ON Semiconductor
MC74HCT573AN Datasheet PDF : 8 Pages
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MC74HCT573A
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INPUT D
tPLH
Q
2.7 V
1.3 V
0.3 V
90%
1.3 V
10%
tTLH
SWITCHING WAVEFORMS
3.0 V
tf
3.0 V
LATCH
ENABLE
1.3 V
GND
GND
tw
tPHL
tPLH
tPHL
tTHL
Q 1.3 V
Figure 1.
Figure 2.
OUTPUT
3.0 V
ENABLE
1.3 V
VALID
GND
3.0 V
tPZL tPLZ
HIGH
INPUT D
1.3 V
GND
Q
1.3 V
IMPEDANCE
tPZH tPHZ
10% VOL
LATCH
tSU
th
1.3 V
3.0 V
90% VOH
ENABLE
GND
Q
1.3 V
HIGH
IMPEDANCE
Figure 3.
Figure 4.
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
*Includes all probe and jig capacitance
Figure 5. Test Circuit
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 6. Test Circuit
D0 2
D1 3
D2 4
D3 5
D4 6
D5 7
D6 8
D7 9
EXPANDED LOGIC DIAGRAM
D
Q
LE
D
Q
LE
D
Q
LE
D
Q
LE
D
Q
LE
D
Q
LE
D
Q
LE
D
Q
LE
19 Q0
18 Q1
17 Q2
16 Q3
15 Q4
14 Q5
13 Q6
12 Q7
LATCH ENABLE 11
OUTPUT ENABLE 1
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