TX-SR701/E
IC BLOCK DIAGRAMS AND DESCRIPTIONS
TC9274F-020 (Analog switch)
1 2 3 4 5 6 7 8 9 1 0 1 1
S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15
3 3 3 2 3 1 3 0 2 9 2 8 2 7 2 6 2 5 2 4 2 3
S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15
S 4
S 3
S 2
S 1
V D D
N C
V S S
S 1
S 2
S 3
S 4
3 4
3 5
3 6
3 7
3 8
3 9
4 0
4 1
4 2
4 3
4 4
2 2
2 1
2 0
1 9
1 8
1 7
1 6
1 5
1 4
1 3
1 2
S 1 6
S 1 7
S 1 8
S T B
DATA
N C
C K
G N D
S 1 8
S 1 7
S 1 6
L - c h
R - c h
1 2 3 4 5 6 7 8 9 10 1 1
22
21
20
19
18
17
16
15
14
13
12
33 32 31 30 29 28 27 26 25 24 23
34
35
36
37
38
39
40
41
42
43
44
S4
S3
S2
S1
VDD
NC
VSS
S1
S2
S3
S4
S16
S17
S18
STB
DATA
NC
CK
GND
S18
S17
S16
S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15
(L-ch)
Same as R-ch
LEVEL
SHIFT &
SHIFT
REGISTER
CIRCUIT
(R-ch)
18 bits LATCH CIRCUIT
S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15
CLR
L
H
L
H
H
H
PR
H
L
L
H
H
H
D
X
X
X
L
H
X
CK
X
X
X
Q
L
H
H
L
H
Qn
Q
H
L
H
H
L
Qn
CLEAR
PRESET
NO CHANGE
INPUTS
OUTPUTS
FUNCTION
X: Don't care
TC74VHC74FT(Dual D-FF with preset and clear)
1
2
3
4
5
6
7
1CLR
1D
1CK
1PR
1Q
1Q
GND
14
13
12
11
10
9
8
Vcc
2CLR
2D
2CK
2PR
2Q
2Q
CK D
Q Q
CK D
Q Q
ٖ
٤
1A
1Y
2A
2Y
3A
3Y
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Vcc
6A
6Y
5A
5Y
4A
4Y
(TOP VIEW)
ٖ
٤
ٖ
٤
A
L
H
Y
H
L
Truth table
74VHCU04FT(Hex Inverter)
Page 53
