MC14021B(2014) 데이터 시트보기 (PDF) - ON Semiconductor
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MC14021B Datasheet PDF : 7 Pages
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9
P/S
11
DS
10
CLOCK
MC14014B, MC14021B
TRUTH TABLE
SERIAL OPERATION:
Q6
t Clock DS P/S t=n+6
n
00
0
n+1
10
1
n+2
00
0
n+3
10
1
X 0 Q6
Q7
t=n+7
?
0
1
0
Q7
Q8
t = n+8
?
?
0
1
Q8
PARALLEL OPERATION:
Clock
MC14014B MC14021B DS P/S Pn *Qn
X
X 1 00
X
X 1 11
*Q6, Q7, & Q8 are available externally
X = Don’t Care
LOGIC DIAGRAM
P1
P2
P3
7
6
5
DQ
C
DQ
C
DQ
C
P6
P7
P8
14
15
1
DQ
CQ
DQ
CQ
D
CQ
VDD = PIN 16 P4 = PIN 4
VSS = PIN 8 P5 = PIN 13
2
12
3
Q6
Q7
Q8
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