29
Q126 : TC74VHC157
Inputs Output
STB SEL A B
H X X X L
L L L X L
L L H X H
L H X L L
L H X H H
H : High
L : Low
X :
13
14
11
12
15
16
9
10
VCC
4A
STB
4B
4Y
3A
1
2
3
4
5
6
7
8
SEL
1A
1B
1Y
2A
2B
2Y
GND
3B
3Y
AGS
B
A
YB
A
Y
B
A
YBY
D/A
Interface
Error
Corrector
32K
RAM Digital
OUT
Sub Code
Processor
Clock
Generator
Asymmetry
Corrector
Digital
PLL
Digital
CLV
CPU
Interface
Servo
Auto
Sequencer
RFAC
ASYO
ASYE
BIAS
XPCK
FILO
FILI
PCO
CLTV
MDP
LOCK
SENS
DATA
XLAT
CLOK
SCOR
SBSO
EXCK
SCSY
SQSO
SQCK
XRST
TEST
TES1
PWMI
ASYI
FSTO
C4M
SERVO
Interface
MIRR
DFCT
FOK
SERVO DSP
FOCUS SERVO
TRACKING
SERVO
SLED SERVO
PWM GENERATOR
FOCUS PWM
GENERAT OR
TRACKING PWM
GENERAT OR
SLED PWM
GENERATOR
RFDC
CE
TE
SE
FE
VC
IGEN
OPAmp
Analog SW A/D
Converter
ADIO
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
SOUT
SOCK
XOLT
SCLK
COUT
SSTP
ATSK
MIRR
DFCT
FOK
XTAI
XTAO
XTSL
V16M
VPCO
VCTL
MUTE
BCK
PCMD
LRCK
C2PO
W
DCK
DOUT
MD2
W
FCK
EMPH
GFS
XUGF
EFM
demodurator
16
27
50
48
49
57
62
12
23
24
25
52
53
54
55
4
5
6
7
15
76
77
78
79
80
40
39
38
41
42
43
44
46 29
30
34
31
32
33
8
9
19
20
21
22
26
73
74
75
2
37
36
3
1417 67
65 66
10
1113 68
58
59 6069
71 72
63
64
Signal processor block
Servo block
Q116 : CXD3068Q