7490 View Datasheet(PDF) - ON Semiconductor
Part Name
Description
View to exact match
7490 Datasheet PDF : 7 Pages
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SN74LS90
LOGIC DIAGRAM
6
MS1
MS2 7
14
CP0
1
CP1
2
MR1
MR2 3
J SD Q
CP
K CD Q
12
Q0
LS90
J SD Q
CP
K CD Q
J SD Q
CP
K CD Q
R SD Q
CP
S CD Q
9
Q1
8
Q2
11
Q3
= PIN NUMBERS
VCC = PIN 5
GND = PIN 10
LOGIC DIAGRAM
LS92
14
CP0
JQ
CP
K CD Q
JQ
CP
K CD Q
1
CP1
6
MR1
MR2 7
12
Q0
JQ
CP
K CD Q
JQ
CP
K CD Q
11
Q1
9
Q2
8
Q3
= PIN NUMBERS
VCC = PIN 5
GND = PIN 10
LOGIC DIAGRAM
LS93
14
CP0
JQ
CP
K CD Q
JQ
CP
K CD Q
JQ
CP
K CD Q
JQ
CP
K CD Q
1
CP1
2
MR1
MR2 3
12
Q0
9
8
11
Q1
Q2
Q3
= PIN NUMBERS
VCC = PIN 5
GND = PIN 10
CONNECTION DIAGRAM
DIP (TOP VIEW)
CP1 1
MR1 2
MR2 3
NC 4
VCC 5
MS1 6
MS2 7
14 CP0
13 NC
12 Q0
11 Q3
10 GND
9 Q1
8 Q2
NC = NO INTERNAL CONNECTION
NOTE:
The Flatpak version has the same
pinouts (Connection Diagram) as
the Dual In-Line Package.
CONNECTION DIAGRAM
DIP (TOP VIEW)
CP1 1
NC 2
NC 3
NC 4
VCC 5
MR1 6
MR2 7
14 CP0
13 NC
12 Q0
11 Q1
10 GND
9 Q2
8 Q3
NC = NO INTERNAL CONNECTION
NOTE:
The Flatpak version has the same
pinouts (Connection Diagram) as
the Dual In-Line Package.
CONNECTION DIAGRAM
DIP (TOP VIEW)
CP1 1
MR1 2
MR2 3
NC 4
VCC 5
NC 6
NC 7
14 CP0
13 NC
12 Q0
11 Q3
10 GND
9 Q1
8 Q2
NC = NO INTERNAL CONNECTION
NOTE:
The Flatpak version has the same
pinouts (Connection Diagram) as
the Dual In-Line Package.
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