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CD74HC393E 参数 Datasheet PDF下载

CD74HC393E图片预览
型号: CD74HC393E
PDF下载: 下载PDF文件 查看货源
内容描述: 高速CMOS逻辑双路4 -stage二进制计数器 [High Speed CMOS Logic Dual 4 -Stage Binary Counter]
分类和应用: 计数器
文件页数/大小: 7 页 / 35 K
品牌: HARRIS [ HARRIS CORPORATION ]
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CD74HC393, CD74HCT393
Functional Diagram
3
1Q
0
1
1CP
2
1MR
BINARY
COUNTER
4
1Q
1
5
1Q
2
6
1Q
3
11
13
2CP
12
2MR
BINARY
COUNTER
10
9
8
2Q
0
2Q
1
2Q
2
2Q
3
GND = 7
V
CC
= 14
TRUTH TABLE
OUTPUTS
CP COUNT
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CP COUNT
X
Q
0
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
MR
L
L
H
Q
1
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
Q
2
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
OUTPUT
No Change
Count
LLLL
Q
3
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
NOTE: H = High Voltage Level, L = Low Voltage Level, X = Don’t Care,
= Transition from Low to High Level,
= Transition from High to Low.
2