SY100E137 데이터 시트보기 (PDF) - Micrel
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SY100E137 Datasheet PDF : 5 Pages
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Micrel, Inc.
BLOCK DIAGRAM
A_Start
EN1
EN2
CLK
CLK
R
D
Q
CLK Q
CLK
MR
VBB
SY10E137
SY100E137
Q0 Q0
Q1 Q1
CLK Q
CLK Q
D
DR
CLK Q
CLK Q
D
R
Q6 Q6
Q7 Q7
CLK Q
CLK Q
D
R
CLK Q
CLK Q
D
R
SEQUENTIAL TRUTH TABLE(1)
Function
EN1 EN2 A_Start MR CLK Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
Reset
X
X
X
H
X
L
L
L
L
L
L
L
L
Count
L
L
L
L
Z
L
L
L
L
L
L
L
H
L
L
L
L
Z
L
L
L
L
L
L
H
L
L
L
L
L
Z
L
L
L
L
L
L
H
H
Stop
H
L
L
L
Z
L
L
L
L
L
L
H
H
H
L
L
L
Z
L
L
L
L
L
L
H
H
Async. Start
H
L
H
L
Z
L
L
L
L
L
H
L
L
H
L
H
L
Z
L
L
L
L
L
H
L
H
L
L
H
L
Z
L
L
L
L
L
H
H
L
Count
L
L
L
L
Z
L
L
L
L
L
H
H
H
L
L
L
L
Z
L
L
L
L
H
L
L
L
L
L
L
L
Z
L
L
L
L
H
L
L
H
Stop
L
H
L
L
Z
L
L
L
L
H
L
L
H
L
H
L
L
Z
L
L
L
L
H
L
L
H
Sync. Start
H
H
L
L
Z
L
L
L
L
H
L
H
L
H
H
L
L
Z
L
L
L
L
H
L
H
H
H
H
L
L
Z
L
L
L
L
H
H
L
L
Stop
H
L
L
L
Z
L
L
L
L
H
H
L
L
H
L
L
L
Z
L
L
L
L
H
H
L
L
Count
L
L
L
L
Z
L
L
L
L
H
H
L
H
L
L
L
L
Z
L
L
L
L
H
H
H
L
L
L
L
L
Z
L
L
L
L
H
H
H
H
Reset
X
X
X
H
X
L
L
L
L
L
L
L
L
Note:
1. Z = LOW-to-HIGH transition
M9999-032006
hbwhelp@micrel.com or (408) 955-1690
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