1
2
3
4
5
6
7
8
9
10
11
13
14
12
15
16
28
27
26
25
24
23
22
21
20
19
18
17
V
DD
STB
DATA
S1
S2
S3
S4
S6
S7
S9
S10
S1
S2
S3
S4
S6
S7
S9
S10
GND
CK
Vss
TC9273N-016 (IC110, 204)
TC9274N-011
(IC201~203)
42
1
21
1
234
56
7
89
10 11
12 13 14
15
16
17 18 19
20
21
22
23
24
25
26
27
28
29
3031
32
33
34
35
36
37
383940
41
42
V
DD
V
SS
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
GND
CK
DATA
STB
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
18 bit Latch Circuit (Rch)
(Lch) Same as Rch
Level Shift + Shift Register Circuit
1
16
8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
GND1
Q1
Q2
Q3
Q4
Q5
Q6
Vcc
A
OE
LE
SD
CK
SQ32
Q27
Q28
Q29
Q30
Q31
Q32
GND3
Q7
Q8
Q9
Q10
Q11
Q12
Q13
Q14
Q15
Q16
GND2
Q17
Q18
Q19
Q20
Q21
Q22
Q23
Q24
Q25
Q26
Q10
Q11
Q12
Q13
Q14
Q15
Q16
Q17
Q18
Q19
Q20
Q21
Q22
Q23
Q24
Q25
Q7
Q8
Q9
Q1
Q2
Q3
Q4
Q5
Q6
A
OE
LE
SD
CK
SQ32
Q27
Q28
Q29
Q30
Q31
Q32
Q26
TC9459F (IC205) M66313FP
(IC101)
TC9184AP (IC613~617)
24
1
12
L-LD2
8
L-ch7 to 91decoder
R-ch latch circuit
R-ch7 to 91decoder
9
16
19
3
2
4
5
6
7
10
11
12
24
22
23
21
20
18
17
15
14
13
1
NC
L-OUT
L-IN
L-LD1
L-A-GND
NC
NC
GND
CK
V
SS
V
DD
NC
R-OUT
R-LD1
R-LD2
R-A-GND
NC
CS2
NC
STB
DATA
R-IN
50k
W
/
91STEP
VR
Same
as L-ch
L-ch latch circuit
Shift register (24Bit)
Level shift circuit
CS1
Parallel data output
Series data input
Output enable input
Latch enable input
Direct-coupling set input
Shift clock input
Series data output
Parallel data output
Parallel data output
Parallel data output
2
3
4
5
6
1
16
7
8
9
10
15
14
13
12
11
BASS+
BASS
-
COM
TREBLE-
TREBLE+
Vss
VDD
GND
CK
DATA
STB
BASS+
BASS-
COM
TREBLE-
TREBLE+
Ladder resister
Analog switch
13 bit latch circuit
Level shift
20 bit Shift register circuit
Analog switch
Ladder resister
Ladder resister
Analog switch
13 bit latch circuit
Code
detect
circuit
Analog switch
Ladder resister
Pin
No.
Symbol Name Function Note
1Vss −Power Terminal
13 GND Digital Ground
28 VDD +Power Terminal
Dual Power Use: V
DD
= 8.0~17V Single Power Use: V
DD
= 8.0~18V
GND = 0V Vss = GND = 0V
Vss = -8.0~17V
2~12
17~27
S1~11 I/O Terminal Input terminal of analog switch.
14 CK Clock Input Clock input for data transfer.
15 DATA Data Input Serial input for switch setting.
16 STB Strobe Input Strobe input for data writing.
Low level
Border Input
Terminal
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