NAD T 752 - Hcf4094 B; 74 Hc4051

41
HCF4094B
KEYBOARD: U204~U207
SERIAL
IN
CLOCK
STROBE
LATCH 1
3-STATE
1
OUTPUT
ENABLE
2
SERIAL
OUT
Q'
S
10
SERIAL
OUT
Q
S
9
15
1
D Q
CL
CL
3
CL
CL
1
CL
CL
2
D Q
CL
CL
LATCH
2
TR
TR
LATCH
3
TR
TR
3-
STATE
2
3-
STATE
3
3
D Q
CL
CL
Q
STAGES
3 - 7
22222222
Q3Q2Q1
V
SS
V
DD
Q7 Q8Q6Q5Q4
CL
CL
CL
CL
p
n
TL
TL
p
n
pn
TL TL
pn
p
n
V
DD
V
SS
74HC4051
KEYBOARD: U208
4
6
COM OUT/IN
7
5
INH
VEE
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VCC
2
1
0
3
A
B
C
CHANNELS
IN/OUT
CHANNELS
IN/OUT
CHANNELS
IN/OUT
74HC4051