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MC74HCT573A Datasheet(PDF) 5 Page - ON Semiconductor

Part No. MC74HCT573A
Description  Octal 3-State Noninverting Transparent Latch with LSTTL Compatible Inputs
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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MC74HCT573A Datasheet(HTML) 5 Page - ON Semiconductor

   
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MC74HCT573A
http://onsemi.com
5
SWITCHING WAVEFORMS
3.0 V
GND
tf
tr
INPUT D
Q
0.3 V
1.3 V
2.7 V
10%
1.3 V
90%
tTLH
tPLH
tPHL
tTHL
OUTPUT
ENABLE
Q
Q
1.3 V
1.3 V
1.3 V
90%
10%
tPZL
tPLZ
tPZH
tPHZ
3.0 V
GND
HIGH
IMPEDANCE
VOL
VOH
HIGH
IMPEDANCE
*Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
*Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
1 k
Figure 1.
Figure 2.
Figure 3.
Figure 4.
3.0 V
GND
1.3 V
1.3 V
LATCH
ENABLE
tPLH
tPHL
Q
tw
Figure 5. Test Circuit
Figure 6. Test Circuit
EXPANDED LOGIC DIAGRAM
D
LE
Q
D0
2
19
Q0
D
LE
Q
D1
3
18
Q1
D
LE
Q
D2
4
17
Q2
D
LE
Q
D3
5
16
Q3
D
LE
Q
D4
6
15
Q4
D
LE
Q
D5
7
14
Q5
D
LE
Q
D6
8
13
Q6
D
LE
Q
D7
9
12
Q7
LATCH ENABLE
OUTPUT ENABLE
11
1
3.0 V
GND
3.0 V
GND
1.3 V
1.3 V
VALID
tSU
th
INPUT D
LATCH
ENABLE


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