Micrel, Inc.
SY100S331
TRUTH TABLES
Asynchronous Operation(1)
Inputs
Outputs
MS
MR
Dn
CPn
CPc
SDn
DCn
Qn (t+1)
X
X
X
H
L
H
X
X
X
L
H
L
X
X
X
H
H
U
NOTE:
1. H = High Voltage Level, L = Low Voltage Level, X = Don't Care, U =
Undefined, t = Time before CP Positive Transition, t+1 = Time after CP
Positive Transition, u = Low-to-High Transition
Synchronous Operation(1)
Inputs
Outputs
MS
MR
Dn
CPn
CPc
SDn
DCn
Qn
L
u
L
L
L
L
H
u
L
L
L
H
L
L
u
L
L
L
H
L
u
L
L
H
X
L
L
L
L
Qn (t)
X
H
X
L
L
Qn (t)
X
X
H
L
L
Qn (t)
NOTE:
1. H = High Voltage Level, L = Low Voltage Level, X = Don't Care, U =
Undefined, t = Time before CP Positive Transition, t+1 = Time after CP
Positive Transition, u = Low-to-High Transition
DC ELECTRICAL CHARACTERISTICS
VEE = –4.2V to –5.5V unless otherwise specified, VCC = VCCA = GND
Symbol
Parameter
Min. Typ. Max. Unit
IIH
Input HIGH Current, All Inputs —
—
200
µA
IEE
Power Supply Current
–80 –65 –35 mA
Condition
VIN = VIH (Max.)
Inputs Open
M9999-032206
hbwhelp@micrel.com or (408) 955-1690
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