Data Sheet

SN54LS373, SN54LS374, SN54S373, SN54S374,
SN74LS373, SN74LS374, SN74S373, SN74S374
OCTAL D-TYPE TRANSPARENT LATCHES AND EDGE-TRIGGERED FLIP-FLOPS
SDLS165B – OCTOBER 1975 – REVISED AUGUST 2002
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
logic diagrams (positive logic)
OC
for ’S373 Only
1
11
3
2
C
1D
C1
1D
1Q
4
5
2D
C1
1D
2Q
7
6
3D
C1
1D
3Q
8
9
4D
C1
1D
4Q
13
12
5D
C1
1D
5Q
14
15
6D
C1
1D
6Q
17
16
7D
C1
1D
7Q
18
19
8D
C1
1D
8Q
Pin numbers shown are for DB, DW, J, N, NS, and W packages.
OC
for ’S374 Only
1
11
3
2
CLK
1D
C1
1D
1Q
4
5
2D
1D
2Q
7
6
3D
1D
3Q
8
9
4D
1D
4Q
13
12
5D
1D
5Q
14
15
6D
1D
6Q
17
16
7D
1D
7Q
18
19
8D
1D
8Q
’LS373, ’S373
Transparent Latches
’LS374, ’S374
Positive-Edge-Triggered Flip-Flops
C1
C1
C1
C1
C1
C1
C1