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IC LEAD IDENTIFICATION AND INTERNAL CIRCUIT
UPD6376CX (D/A converter)
TIMING
GENERATOR
SHIFT REGISTER
LATCH
MAIN DAC
SUB DAC
SUB DAC
MAIN DAC
LRCK
LRSEL/RSI
SI/LSI
CLK
4/8 fs SEL
D.GND
N.C.
D.VDD
A.GND
A.VDD
R.OUT
R.REF
L.REF
L.OUT
11
10
9
6
8
712
54
3
13
14
15
16
1
2
TC74HC174AP (HEX D-TYPE FLIP FLOP WITH CLEAR )
CLEAR
CLOCK
Q0
Q1 Q2 Q3 Q4 Q5
D0 D1
D2 D3
D4
D5
VDD GND
5
7
10
12
15
14
13
11
43
R
D
CK
Q
R
D
CK
Q
R
D
CK
Q
R
D
CK
Q
R
D
CK
Q
R
D
CK
Q
1
9
16
8
2
6
TC74HC08AP (QUAD 2-INPUT AND GATE) TC74HC00AP (QUAD 2-INPUT NAND GATE)
1A 1
1B
2
1Y 3
2A
4
2B
5
2Y
6
GND
7
8
3Y
9
3A
10 3B
11
4Y
12
4A
13 4B
14
VCC
1A
1
1B
2
1Y 3
2A
4
2B
5
2Y
6
GND
7
8
3Y
9
3A
10 3B
11
4Y
12
4A
13 4B
14
VCC