CD40104BMS Datasheet, PDF (8/10 Pages) Intersil Corporation – CMOS 4-Bit Bidirectional Universal Shift Register

CD40104BMS, CD40194BMS
Logic Diagrams (Continued)
SHIFT
RIGHT
*
INPUT ²
D0 ^*
3
B
p
n
B
D
p
n
D
G
p
n
G
E
p
n
E
R
CL
p
n
CL
CL
p
n
CL
RESET ^*
1
CLOCK ^*
11
S0 ^*
9
S1 ^*
10
D1 ^*
4
R
CL
CL
D2 ^*
5
D
D
G
G
B
B
E
E
D3 ^*
6
SHIFT LEFT _*
INPUT ₇
CL
p
n
CL
Q0
B
p
n
B
D
p
n
D
G
p
n
G
E
p
n
E
B
p
n
B
D
p
n
D
G
p
n
G
E
p
n
E
B
p
n
B
D
p
n
D
G
p
n
G
E
p
n
E
Q0
CL
p
n
CL
R
VDD
Q0
15
VSS
CL _Q1
CL
Q1
Q1
14
VDD
VSS
* ^{ALL INPUTS ARE PROTECTED}
BY CMOS PROTECTION
NETWORK
CL _Q2
CL
Q2
Q2
13
CL _Q3
CL
Q3
Q3
12
CONTROL TRUTH TABLE
MODE SELECT
CLOCK* S0
S1 RESET
ACTION
X
0
0
1
No Change
1
0
1
Shift Right (Q0 toward Q3)
0
1
1
Shift Left (Q3 toward Q0)
1
1
1
Parallel Load
X
X
X
0
Reset
X = Don’t Care 1 = High level 0 = Low level * Level change
FIGURE 2. CD40194BMS
7-1314