SN74LS193N_集成电路资料查询网

SN74LS193
http://onsemi.com
3
状态 图解
计数 向上
计数 向下
0123
4
5
6
7
891011
12
13
14
15
逻辑 equations
为 终端 计数
TC
U
= q
0
⋅
Q
1
⋅
Q
2
⋅
Q
3
⋅
CP
U
TC
D
= q
0
⋅
Q
1
⋅
Q
2
⋅
Q
3
⋅
CP
D
逻辑 图解
V
CC
= 管脚 16
地 = 管脚 8
= 管脚 号码
P
0
P
1
P
2
P
3
Q
0
Q
1
Q
2
Q
3
MR
(clear)
(向下
计数)
CP
D
(向上 计数)
CP
U
(加载)
P
L
1
2
67
3
4
5
911
12
10
13
15
14
S
D
Q
Q
C
D
T
S
D
Q
Q
C
D
T
S
D
Q
Q
C
D
T
S
D
Q
Q
C
D
T
TC
U
(carry
输出)
TC
D
(borrow
输出)

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SN74LS193 http://onsemi.com 3 状态图解计数向上计数向下 0123 4 5 6 7 891011 12 13 14 15 逻辑 equations 为终端计数 TC U = q 0 ⋅ Q 1 ⋅ Q 2 ⋅ Q 3 ⋅ CP U TC D = q 0 ⋅ Q 1 ⋅ Q 2 ⋅ Q 3 ⋅ CP D 逻辑图解 V CC = 管脚 16 地 = 管脚 8 = 管脚号码 P 0 P 1 P 2 P 3 Q 0 Q 1 Q 2 Q 3 MR (clear) (向下计数) CP D (向上计数) CP U (加载) P L 1 2 67 3 4 5 911 12 10 13 15 14 S D Q Q C D T S D Q Q C D T S D Q Q C D T S D Q Q C D T TC U (carry 输出) TC D (borrow 输出)

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