Datasheet
SCLS121D − DECEMBER 1982 − REVISED OCTOBER 2003
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
logic diagram (positive logic)
Pin numbers shown are for the D, J, N, NS, and W packages.
S
C1
1D
R
7
9
S
C1
1D
R
6
10
S
C1
1D
R
2
1
S
C1
1D
R
3
15
11
14
5
4
12
13
Q
A
Q
B
Q
C
Q
D
RCO
CTEN
D/U
LOAD
MAX/MIN
CLK
A
B
C
D