CD40104BMS Datasheet, PDF (7/10 Pages) Intersil Corporation – CMOS 4-Bit Bidirectional Universal Shift Register

CD40104BMS, CD40194BMS
Logic Diagrams
SHIFT
RIGHT
*
INPUT ²
D0 ^*
3
VDD
B
p
n
B
D
p
n
D
G
p
n
G
E
p
n
E
CL
CL
p
p
n
n
CL
CL
CL
p
n
CL
Q0
OUTPUT *
ENABLE ₁
CLOCK ^*
11
S0 ^*
9
S1 ^*
10
D1 ^*
4
OE
CL
CL
D2 ^*
5
D
D
G
G
B
B
E
E
D3 ^*
6
SHIFT LEFT _*
INPUT ₇
VDD
VDD
VDD
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
OE
Q0
CL
p
n
CL
VDD
Q0
15
VSS
CL _Q1
CL
Q1
OE
Q1
14
CL _Q2
CL
Q2
OE
Q2
13
VDD
VSS
* ^{ALL INPUTS ARE PROTECTED}
BY CMOS PROTECTION
NETWORK
CL _Q3
CL
Q3
OE
Q3
12
CONTROL TRUTH TABLE
MODE SELECT _OUTPUT
CLOCK* S0
S1 ENABLE
ACTION
0
0
1
Reset
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
Operations occur as shown above,
but outputs assume high impedance
X = Don’t Care 1 = High level 0 = Low level * Level change
FIGURE 1. CD40104BMS
7-1313