MC54-74HC390 Datasheet, PDF (5/8 Pages) ON Semiconductor – Dual 4-Stage Binary Ripple Counter with ÷2 and ÷5 Sections

EXPANDED LOGIC DIAGRAM
CLOCK A ^{1, 15}
CQ
D _RQ
3, 13 _QA
CLOCK B ^{4, 12}
CQ
DQ
R
5, 11 _QB
MC54/74HC390
CQ
DQ
R
6, 10 _QC
RESET ^{2, 14}
C
D _RQ
7, 9 _QD
TIMING DIAGRAM
(QA Connected to Clock B)
0
1
2
3
4
5
6
78
9
0
1
2
3
4
5
6
CLOCK A
RESET
QA
QB
QC
QD
High–Speed CMOS Logic Data
5
DL129 — Rev 6
MOTOROLA