Page 27 - EE2449_TTL_Datasheet

SN54/74LS90 • SN54/74LS92 • SN54/74LS93

LOGIC DIAGRAM CONNECTION DIAGRAM
DIP (TOP VIEW)
LS90
6
MS 1 1
CP 1 14 CP 0
MS 2
7
MR 1 2 13 NC
S D S D S D S D
J Q J Q J Q R Q
14 MR 2 3 12 Q 0
CP 0 CP CP CP CP
NC 4 11 Q 3
K Q K Q K Q S Q
C D C D C D C D
V CC 5 10 GND
1 6
MS 1 9 Q 1
CP 1
2 7
MS 2 8 Q 2
MR 1
12 9 8 11
MR 2
3 Q 0 Q 1 Q 2 Q 3
NC = NO INTERNAL CONNECTION
= PIN NUMBERS NOTE:
V CC = PIN 5 The Flatpak version has the same
GND = PIN 10 pinouts (Connection Diagram) as
the Dual In-Line Package.
LOGIC DIAGRAM CONNECTION DIAGRAM
DIP (TOP VIEW)
LS92
1
CP 1 14 CP 0
NC 2 13 NC
J Q J Q J Q J Q
14 3
CP 0 CP CP CP CP NC 12 Q 0
K Q K Q K Q K Q NC 4 11 Q 1
C D C D C D C D
5 10 GND
V CC
1
CP 1 6 9 Q 2
MR 1
6
MR 1 12 11 9 8 MR 2 7 8 Q 3
MR 2
7 Q 0 Q 1 Q 2 Q 3
NC = NO INTERNAL CONNECTION
= PIN NUMBERS NOTE:
V CC = PIN 5 The Flatpak version has the same
GND = PIN 10 pinouts (Connection Diagram) as
the Dual In-Line Package.
LOGIC DIAGRAM CONNECTION DIAGRAM
DIP (TOP VIEW)
LS93
1
CP 1 14 CP 0
J Q J Q J Q J Q 2 13 NC
14 MR 1
CP 0 CP CP CP CP
MR 2 3 12 Q 0
K Q K Q K Q K Q
C D C D C D C D
NC 4 11 Q 3
1 5 10 GND
V CC
CP 1
2 6
MR 1 NC 9 Q 1
12 9 8 11
MR 2
3 NC 7 8 Q 2
Q 0 Q 1 Q 2 Q 3
= PIN NUMBERS NC = NO INTERNAL CONNECTION
V CC = PIN 5
NOTE:
GND = PIN 10 The Flatpak version has the same
pinouts (Connection Diagram) as
the Dual In-Line Package.
FAST AND LS TTL DATA
5-90
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