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MC74AC109 Fiches technique(PDF) 2 Page - ON Semiconductor

No de pièce MC74AC109
Description  Dual JK Positive Edge−Triggered Flip−Flop
Download  9 Pages
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Fabricant  ONSEMI [ON Semiconductor]
Site Internet  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

MC74AC109 Fiches technique(HTML) 2 Page - ON Semiconductor

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MC74AC109, MC74ACT109
http://onsemi.com
2
TRUTH TABLE
Inputs
Outputs
SD
CD
CP
J
K
Q
Q
L
H
X
X
X
H
L
H
LX
X
X
L
H
L
LX
X
X
H
H
H
H
LL
L
H
H
H
H
L
Toggle
H
H
LH
Q0
Q0
H
H
HH
H
L
H
H
L
X
X
Q0
Q0
H = HIGH Voltage Level
L = LOW Voltage Level
= LOW−to−HIGH Clock Transition
X = Immaterial
Q0(Q0) = Previous Q0(Q0) before
LOW−to−HIGH Transition of Clock
Figure 2. Logic Symbol
SD
Q
JCP
Q
CD
K
SD
Q
JCP
Q
CD
K
SD
K
CP
J
CD
Q
Q
NOTE: This diagram is provided only for the understanding of logic
operations and should not be used to estimate propagation
delays.
Figure 3. Logic Diagram
(One Half Shown)
MAXIMUM RATINGS*
Symbol
Parameter
Value
Unit
VCC
DC Supply Voltage (Referenced to GND)
−0.5 to +7.0
V
VIN
DC Input Voltage (Referenced to GND)
−0.5 to VCC +0.5
V
VOUT
DC Output Voltage (Referenced to GND)
−0.5 to VCC +0.5
V
IIN
DC Input Current, per Pin
±20
mA
IOUT
DC Output Sink/Source Current, per Pin
±50
mA
ICC
DC VCC or GND Current per Output Pin
±50
mA
Tstg
Storage Temperature
−65 to +150
°C
*Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recom-
mended Operating Conditions.


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