– 54 –
11
12
10
VC
VC
VC
VC
VC
VC
VC
VCC
VCC
RF SUMMING AMP RF_EQ_AMP
ERROR AMP
FOCUS
TRACKING
ERROR AMP
VC BUFFER
VCC
VCC
VC
VC
VC
VC
VEE
VEE
VEE
VEE
VEE
VREF
13
14
15
6
5
1
2
3
4
7
8
9
16
19
20
21
22
23
24
18
17
HOLD
LD
PD
A
B
C
D
VEE
F
E
VC
AGCVTH
AGCCONT
VCC
LC/PD
LD_ON
HOLD_SW
RF_BOT
RFTC
RF_1
RFO
RFE
FE
TE
(50%/30%
OFF)
APC PD AMP
APC LD AMP
IC103 CXA2568M-T6
• Main section
IC504 M5M5256DFP-70XL
VCC
W
A13
A8
A9
A11
OE
A10
SI
DQ8
DQ7
DQ6
DQ5
DQ4
A12
A6
A5
A4
A3
A2
A1
A0
DQ1
DQ2
DQ3
GND
A7
A14
CLOCK
GENERATOR
OUTPUT
BUFFER
SENSE
AMP
32768 WORD
x 8 BIT
RAM
(512 x 512)
ROW
ADDRESS
DECODER
ROW INPUT BUFFER
COLUMN INPUT BUFFER
COLUMN
ADDRESS
DECODER
INPUT
DATA
CONTROL
1
2 3 4
5 6 7
8 9 10
11 12 13 14
15
16
17
18
19
20
21
22
23
24
25
26
27
28