MC14569B ON Semiconductor, MC14569B Datasheet - Page 10

• Manufacturer Part Number: MC14569B
• Description: Programmable Divide-By-N Dual 4-Bit Binary/BCD Down Counter
• Manufacturer: ON Semiconductor

DETECT
OUTPUT
ZERO
X = No Output (Always Low)
P7
80
0
0
0
0
0
0
0
0
0
0
1
1
1
























CLOCK
DIVIDE
BY 2
DIVIDE
BY 3
DIVIDE
BY 4
DIVIDE
BY 12
P6
Counter #2
40
0
0
0
0
0
0
0
1
1
1
0
0
0
























BCD
P5
20
Table 5. Mode Controls
1
0
0
0
0
0
0
1
0
0
1
0
0
0
























Preset Values
2
P4
10
0
0
0
0
0
1
1
0
1
1
0
1
1
























3
P3
0
0
0
0
1
0
0
0
0
0
0
0
1
8
























4
TIMING DIAGRAM MC14569B
P2
Counter #1
0
0
0
0
0
0
0
0
0
0
0
0
0
4
























BCD
5
(CTL
http://onsemi.com
P1
1
0
0
1
1
0
0
0
0
0
0
0
0
0
2
























MC14569B
= High, CTL
6
10
P0
7
0
1
0
1
1
0
0
0
0
0
0
0
1
1
























2
= High, Cascade Feedback = High)
8
Detect
Zero
100
10
30
40
50
70
80
90
99
X
2
3
9
























Divide Ratio
9
10
100
80
90
99
Q
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X






11
12
Q Output Active
Comments
13
illegal state
Max Count
Min Count
Sequence
Counting
Bit Value
14
15
16