Datasheet

 
   
   
SCLS099F − DECEMBER 1982 − REVISED SEPTEMBER 2003
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
FUNCTION TABLE
INPUTS OUTPUTS
PRE CLR CLK J K Q Q
L H X X X H L
H LXXXLH
L LXXXH
†
H
†
H H ↓ LLQ
0
Q
0
H H ↓ HLHL
H H ↓ LHLH
H H ↓ H H Toggle
H H H X X Q
0
Q
0
†
This configuration is nonstable; that is, it does not persist
when either PRE
or CLR returns to its inactive (high) level.
logic diagram, each flip-flop (positive logic)
PRE
CLK
J
CLR
Q
Q
C
C
C
C
K
TG
TG
TG
TG
C
C
C
C
C
C