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MC74HCT574A Datasheet(PDF) 5 Page - ON Semiconductor

Part No. MC74HCT574A
Description  Octal 3-State Noninverting D Flip-Flop with LSTTL-Compatible Inputs
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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MC74HCT574A Datasheet(HTML) 5 Page - ON Semiconductor

   
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MC74HCT574A
http://onsemi.com
5
EXPANDED LOGIC DIAGRAM
CLOCK
ENABLE
OUTPUT
11
1
D0
2
C
19
D
Q
Q0
D1
3
C
18
D
Q
Q1
D2
4
C
17
D
Q
Q2
D3
5
C
16
D
Q
Q3
D4
6
C
15
D
Q
Q4
D5
7
C
14
D
Q
Q5
D6
8
C
13
D
Q
Q6
D7
9
C
12
D
Q
Q7
SWITCHING WAVEFORMS
Figure 1.
Figure 2.
CLOCK
Q
tr
tf
3.0 V
GND
2.7 V
1.3 V
0.3 V
90%
1.3 V
10%
tPLH
tPHL
tTLH
tTHL
tw
1/fmax
Q
Q
1.3 V
1.3 V
90%
10%
tPZL
tPLZ
tPZH
tPHZ
3.0 V
GND
HIGH
IMPEDANCE
VOL
VOH
HIGH
IMPEDANCE
OUTPUT
ENABLE
1.3 V
Figure 3.
Figure 4. Test Circuit
Figure 5. Test Circuit
1.3 V
CLOCK
3.0 V
VALID
GND
3.0 V
GND
tsu
th
1.3 V
DATA
*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


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