OKI MSC23V26457TA60BS8, MSC23V26457TA70BS8, MSC23V26457SA60BS8, MSC23V26457SA70BS8 Datasheet
Preliminary
MSC23V26457TA-xxBS8/MSC23V26457SA-xxBS8¡ Semiconductor
¡ Semiconductor
MSC23V26457TA-xxBS8/
MSC23V26457SA-xxBS8
2,097,152-Word ¥ 64-Bit DRAM MODULE : FAST PAGE MODE TYPE WITH EDO
DESCRIPTION
The Oki MSC23V26457TA-xxBS8/MSC23V26457SA-xxBS8 is a fully decoded 2,097,152-word ¥
64-bit CMOS dynamic random access memory composed of eight 16-Mb DRAMs (2M ¥ 8) in
TSOP or SOJ packages mounted with decoupling capacitors on an 168-pin glass epoxy DIMM
Package supports any application where high density and large capacity of storage memory are
required.
FEATURES
• 2,097,152-word ¥ 64-bit (8 Byte) organization
• 168-pin DIMM
MSC23V26457TA-xxBS8 : TSOP type
MSC23V26457SA-xxBS8 : SOJ type
• Single 3.3 V supply ±0.3 V tolerance
• Input : LVTTL compatible
• Output : LVTTL compatible, 3-state, nonlatch
• Refresh : 2048 cycles/32 ms
• CAS before RAS refresh, CAS before RAS hidden refresh, RAS-only refresh capability
• Multi-bit test mode capability
• Fast Page Mode with EDO capability
• Serial Presence Detect
PRODUCT FAMILY
Family
MSC23V26457TA-60BS8
MSC23V26457SA-60BS8
MSC23V26457TA-70BS8
MSC23V26457SA-70BS8
Access Time (Max.)
RACtAAtCAC
60 ns
30 ns
15 ns
70 ns
35 ns
20 ns
t
OEA
15 ns
20 ns
Cycle Time
(Min.)
110 ns
130 ns
Operating (Max.)
Power Dissipation
Standby (Max.)t
4320 mW
28.8 mW
3744 mW
8
631
MSC23V26457TA-xxBS8/MSC23V26457SA-xxBS8 ¡ Semiconductor
PIN CONFIGURATION
MSC23V26457TA-xxBS8
(Unit : mm)
*1
25.4 ±0.13
17.78 ±0.13
5.89 ±0.13
3.0 ±0.13
11.43 ±0.1
21.495 ±0.13
133.35 ±0.2
36.83 ±0.1
45.18 ±0.13 54.61 ±0.1
127.35 Typ.3.0 ±0.13
2 – R1 ±0.1
2 – R2 ±0.1
2 – φ3 ±0.1
84BA
6.0 Min.
2.67 Max.
1.27 ±0.1
8
CL
3.00 ±0.13
2.0 ±0.1
6.35 ±0.1
3.00 ±0.13
2.0 ±0.1
6.35 ±0.1
DETAIL BDETAIL A
*1 The common size difference of the board width 19.78 mm of its height is
specified as ±0.2. The value above 19.78 mm is specified as ±0.5.
1.0 ±0.1
0.25 Max.
0.23 Min.
1.27 ±0.1
632
MSC23V26457SA-xxBS8
25.4 ±0.13
3.0 ±0.13
17.78 ±0.13
5.89 ±0.13
11.43 ±0.1
21.495 ±0.13
MSC23V26457TA-xxBS8/MSC23V26457SA-xxBS8¡ Semiconductor
*1
133.35 ±0.2
36.83 ±0.1
45.18 ±0.13 54.61 ±0.1
127.35 Typ.3.0 ±0.13
2 – R1 ±0.1
(Unit : mm)
5.28 Max.
2 – R2 ±0.1
2 – φ3 ±0.1
84BA
6.0 Min.
1.27 ±0.1
CL
3.00 ±0.13
2.0 ±0.1
6.35 ±0.1
3.00 ±0.13
2.0 ±0.1
6.35 ±0.1
DETAIL BDETAIL A
*1 The common size difference of the board width 19.78 mm of its height is
specified as ±0.2. The value above 19.78 mm is specified as ±0.5.
1.0 ±0.1
0.25 Max.
0.23 Min.
1.27 ±0.1
8
633
MSC23V26457TA-xxBS8/MSC23V26457SA-xxBS8 ¡ Semiconductor
Front Side
Pin No.
Pin Name
11835
2 193653
3 203754
4 213855
5 223956
6 234057
7 244158
8 254259
9 264360
10 27 44 61
11 28 45 62
12 29 46 63
13 30 47 64
14 31 48 65
15 32 49 66
16 33 50 67
17 34 51 68
V
SS
DQ0 DQ14 A6 NC
DQ1 DQ15 A8 V
DQ2 NC A10R DQ16
DQ3 NC NC DQ17
V
CC
DQ4 NC V
DQ5 NC NC V
DQ6 V
DQ7 WE0 OE2 NC
DQ8 CAS0 RAS2 NC
V
SS
DQ9 RAS0 CAS3 V
DQ10 OE0 WE2 DQ21
DQ11 V
DQ12 A0 NC DQ23
DQ13 A2 NC V
Pin No.
Pin Name
V
CC
V
SS
CC
Pin No.
Pin Name
Pin No.
A4 NC
V
CC
CC
V
SS
CAS1 CAS2 NC
SS
V
CC
Pin Name52Pin No.
SS
DQ18
DQ19
CC
DQ20
SS
DQ22
SS
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
Pin Name
DQ24
DQ25
DQ26
DQ27
V
CC
DQ28
DQ29
DQ30
DQ31
V
SS
NC
NC
NC
SDA
SCL
V
CC
8
Back Side
Pin No.
100 117 134 151
101 118 135 152
Pin Name
85 102 119
86 103 120 137
87 104 121 138
88 105 122 139
89 106 123 140
90 107 124 141
91 108 125 142
92 109 126 143
93 110 127 144
94 111 128 145
95 112 129 146
96 113 130 147
97 114 131 148
98 115 132 149
99 116 133 150
V
SS
DQ32 DQ46 A7 NC
DQ33 DQ47 A9 V
DQ34 NC NC DQ48
DQ35 NC NC DQ49
V
CC
DQ36 NC NC DQ51
DQ37 NC NC V
DQ38 V
DQ39 NC NC NC
DQ40 CAS4 NC NC
V
SS
DQ41 NC CAS7 V
DQ42 NC NC DQ53
DQ43 V
DQ44 A1 NC DQ55
DQ45 A3 NC V
Pin No.
Pin Name
V
CC
V
SS
CC
Pin No.
Pin Name
A5 NC
V
CC
V
SS
CAS5 CAS6 NC
SS
V
CC
Pin No.
136
Pin Name
SS
DQ50
CC
DQ52
SS
DQ54
SS
Pin No.
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
Pin Name
DQ56
DQ57
DQ58
DQ59
V
CC
DQ60
DQ61
DQ62
DQ63
V
SS
NC
NC
SA0
SA1
SA2
V
CC
634
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