參數(shù)資料
型號: MC14569BDW
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: Programmable Divide-By-N Dual 4-Bit Binary/BCD Down Counter
中文描述: 4000/14000/40000 SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT DOWN BINARY COUNTER, PDSO16
封裝: PLASTIC, SOIC-16
文件頁數(shù): 7/16頁
文件大?。?/td> 286K
代理商: MC14569BDW
MC14569B
http://onsemi.com
7
Table 1. Mode Controls
(Cascade Feedback = Low)
Counter Control Values
Divide Ratio
CTL
1
CTL
2
Zero Detect
Q
0
0
1
1
0
1
0
1
256
160
160
100
256
160
160
100
NOTE: Data Preset Inputs (P0–P7) are “Don’t Cares” while Cascade Feedback is
Low.
Table 2. Mode Controls
(CTL
1
= Low, CTL
2
= Low, Cascade Feedback = High)
Preset Inputs
Divide Ratio
P7
P6
P5
P4
P3
P2
P1
P0
Zero
Detect
Q
Comments
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
0
1
256
X
2
3
256
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
128
Max Count
Illegal State
Min Count
0
0
0
0
0
0
0
1
1
0
1
0
1
0
1
0
15
16
0
0
1
0
0
0
0
0
32
0
1
0
0
0
0
0
0
64
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
127
128
Q Output Active
1
0
0
0
1
0
0
0
136
136
1
2
7
128
1
2
6
64
1
2
5
32
1
2
4
16
1
2
3
8
1
2
2
4
1
2
1
2
1
2
0
1
255
255
Bit Value
Counter #2
Binary
Counter #1
Binary
Counting
Sequence
X = No Output (Always Low)
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