HCT273 데이터 시트보기 (PDF) - ON Semiconductor
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HCT273 Datasheet PDF : 8 Pages
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MC74HCT273A
SWITCHING WAVEFORMS
tr
tf
tw
CLOCK
2.7 V
1.3 V
0.3 V
3.0 V
RESET
1.3 V
GND
3.0 V
GND
tw
tPHL
90%
Q 1.3 V
10%
1/fmax
tPLH
tPHL
Q
CLOCK
1.3 V
trec
3.0 V
1.3 V
tTLH
tTHL
GND
Figure 1.
Figure 2.
VALID
3.0 V
DATA
1.3 V
GND
tsu
th
3.0 V
CLOCK
1.3 V
GND
Figure 3.
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
*Includes all probe and jig capacitance
Figure 4. Test Circuit
EXPANDED LOGIC DIAGRAM
D0 3
D1 4
D2 7
DATA
INPUTS
D3 8
D4 13
D5 14
D6 17
D7 18
C
Q
DR
C
Q
DR
C
Q
DR
C
Q
DR
C
Q
DR
C
Q
DR
C
Q
DR
C
Q
DR
2 Q0
5 Q1
6 Q2
9 Q3
12 Q4
NONINVERTING
OUTPUTS
15 Q5
16 Q6
19
Q7
CLOCK 11
RESET 1
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