參數(shù)資料
型號(hào): MC14029BCL
廠商: MOTOROLA INC
元件分類: 計(jì)數(shù)器
英文描述: 4000/14000/40000 SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDIP16
封裝: CERAMIC, DIP-16
文件頁(yè)數(shù): 5/8頁(yè)
文件大小: 279K
代理商: MC14029BCL
MOTOROLA CMOS LOGIC DATA
MC14029B
124
TIMING DIAGRAM
CLOCK
CARRY IN
UP/DOWN
BINARY/DECADE
PE
P0
P1
P2
P3
Q0
Q1
Q2
Q3
CARRY OUT
COUNT
0
1
2
3
4
5
6
7
8
9
8
7
6
5
4
3
2
1
0
9
6
7
0
Figure 3. Divide by N BCD Down Counter and Timing Diagram
(Shown for N = 123)
Q3 Q2 Q1 Q0
P3 P2
P1 P0 CLK
Cout
U/D
B/D
Q3 Q2 Q1 Q0
P3 P2
P1 P0 CLK
Cout
U/D
B/D
Q3 Q2 Q1 Q0
P3 P2
P1 P0 CLK
Cout
U/D
B/D
Cin
PE
Cin
PE
Cin
PE
MC14029B
MSD
MC14029B
LSD
OUTPUT
INPUT
CLOCK
“1”
“2”
“3”
VDD
CLOCK
Cout 1 (LSD)
Cout 2
Cout 3 (MSD)
PE
COUNT
123
122
121
120
119
101
100
99
11
10
9
1
0
123
122
* tW ^ 900 ns @ VDD = 5 V
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