Table of Contents
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IC301 CXD1818R
108 107 106 105 104 103
102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73
109
GRST
XROF
110
TST0
111
TST1
112
TST2
113
TST3
114
V
115
SS
116
TST4
TST5
117
TST6
118
119
TST7
V
120
SS
V
121
DD
122
XWAT
123
A0
A1
124
125
A2
126
A3
127
A4
128
A5
129
A6
130
V
SS
131
D0
SUB
132
D1
CPU
D2
133
I/F
D3
134
16 BYTE
D4
135
FIFO
D5
136
137
D6
D7
138
V
139
SS
V
140
DD
INT
141
XCS
142
XWR
143
XRD
144
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 29 30 31 32 33 34 35 36
IC302 MSM5416258B-35JDR1
RAS
14
/RAS CLOCK
GENERATOR
NC
15
REFRESH
COUNTER
A0
16
A1
17
A2
18
A3
19
VCC
20
VSS
21
A4
22
A5
23
A6
24
25
A7
26
A8
27
OE
28
VCAS
LCAS
29
78
CD DSP
I/F
/WE CLOCK
/CAS CLOCK
GENERATOR
GENERATOR
DATA I/O BUS
COLUMN DECODERS
Y
~Y
0
8
SENSE AMPLIFIERS
9
512
MEMORY
X
~X
0
8
ARRAY
256Kx16
30
31
32
33
34
35
MICROCODE
CORE
CLOCK
&
GEN.
REGISTERS
VCO
/OE CLOCK
GENERATOR
I/O BUFFER
512x16
36
37
38
39
40
72
MDB1
71
MDB0
70
V
DD
69
V
SS
68
XMWR
67
XLCAS
66
XUCAS
65
XRAS
MA9
64
63
MA8
MA7
62
61
V
SS
60
MA6
59
MA5
58
MA4
57
MA3
56
MA2
55
MA1
54
MA0
XRES
53
V
52
DD
51
V
SS
CLK
50
XTL1
49
48
XTL2
47
AV
DD
46
AV
SS
45
AC
44
CM1
43
XIO
42
V
SS
XREQ
41
40
V
SS
XCD
39
38
V
DD
37
V
SS
WE
13
12
NC
11
NC
10
I/O 8
I/O 7
9
8
I/O 6
7
I/O 5
6
NC
5
I/O 4
4
I/O 3
3
I/O 2
2
I/O 1
1
VCC
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