MC54HCT574A 데이터 시트보기 (PDF) - Motorola => Freescale
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MC54HCT574A Datasheet PDF : 6 Pages
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MC54/74HCT574A
EXPANDED LOGIC DIAGRAM
D0
D1
D2
D3
D4
D5
D6
D7
2
3
4
5
6
7
8
9
CLOCK 11
ENABLE 1
OUTPUT
CD
Q
CD
Q
CD
Q
CD
Q
CD
Q
CD
Q
CD
Q
CD
Q
19
Q0
CLOCK
Q
tr
tf
2.7 V
1.3 V
0.3 V
tw
90%
1.3 V
10%
1/fmax
tPLH
tPHL
tTLH
tTHL
Figure 1.
DATA
CLOCK
VALID
1.3 V
tsu
th
1.3 V
Figure 3.
18
17
16
15
14
13
12
Q1
Q2
Q3
Q4
Q5
Q6
Q7
SWITCHING WAVEFORMS
3.0 V
GND
3.0 V
GND
3.0 V
GND
OUTPUT
ENABLE
Q
Q
1.3 V
tPZL tPLZ
1.3 V
10%
tPZH tPHZ
90%
1.3 V
Figure 2.
TEST POINT
3.0 V
GND
HIGH
IMPEDANCE
VOL
VOH
HIGH
IMPEDANCE
OUTPUT
DEVICE
UNDER
TEST
CL*
* Includes all probe and jig capacitance
Figure 4. 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.
MOTOROLA
* Includes all probe and jig capacitance
Figure 5. Test Circuit
3–4
High–Speed CMOS Logic Data
DL129 — Rev 6
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