IN74HC574A Ver la hoja de datos (PDF) - IK Semicon Co., Ltd
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IN74HC574A
IK Semicon Co., Ltd
IN74HC574A Datasheet PDF : 7 Pages
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IN74HC574A
CLOCK
Q
tr
tf
90%
50%
10%
tw
1/fmax
tPLH
50% 90%
10%
tTLH
tTHL
VCC
GND
t PHL
OE
50%
t PZL
Q
50%
tPZH
Q
50%
t PLZ
tPHZ
10%
90%
VCC
GND
HIGH
IMPEDANCE
VOL
VOH
HIGH
IMPEDANCE
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
D
CLOCK
VALID
50%
t su
th
50%
Figure 3. Switching Waveforms
VCC
GND
VCC
GND
TEST POINT
DEVICE OUTPUT
UNDER
TEST
*
CL
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
1k
*
CL
Connect to VCC when
testing tPLZ and tPZL
Connect to GND when
testing tPHZ and tPZH
* Includes all probe and jig capacitance
Figure 4. Test Circuit
* Includes all probe and jig capacitance
Figure 5. Test Circuit
EXPANDED LOGIC DIAGRAM
D0
D1
D2
D3
D4
D5
D6
D7
CLOCK
OE
D
CQ
D
CQ
D
CQ
D
CQ
D
CQ
D
CQ
D
CQ
D
CQ
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Rev. 00
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