MSC23V47257TA-xxBS18/MSC23V47257SA-xxBS18¡ Semiconductor
701
¡ Semiconductor
MSC23V47257TA-xxBS18/
MSC23V47257SA-xxBS18
4,194,304-Word ¥ 72-Bit DRAM MODULE : FAST PAGE MODE TYPE WITH EDO
DESCRIPTION
The Oki MSC23V47257TA-xxBS18/MSC23V47257SA-xxBS18 is a fully decoded 4,194,304-word
¥ 72-bit CMOS dynamic random access memory composed of eighteen 16-Mb DRAMs (4M ¥ 4)
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
• 4,194,304-word ¥ 72-bit (8 Byte ECC) organization
• 168-pin DIMM
MSC23V47257TA-xxBS18 : TSOP type
MSC23V47257SA-xxBS18 : 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
Preliminary
Family Access Time (Max.) Cycle Time
(Min.)
Power Dissipation
Operating (Max.)
Standby (Max.)tRAC tAA tCAC
MSC23V47257TA-60BS18
MSC23V47257SA-60BS18
MSC23V47257TA-70BS18
MSC23V47257SA-70BS18
60 ns
70 ns
30 ns
35 ns
15 ns
20 ns
110 ns
130 ns
7776 mW
7128 mW
64.8 mW
tOEA
15 ns
20 ns
MSC23V47257TA-xxBS18/MSC23V47257SA-xxBS18 ¡ Semiconductor
702
PIN CONFIGURATION
MSC23V47257TA-xxBS18
0.23 Min.
1.27 ±0.1
1.0 ±0.1
0.25 Max.
6.35 ±0.1
2.0 ±0.1
3.00 ±0.13
CL
6.35 ±0.1
2.0 ±0.1
3.00 ±0.13
DETAIL BDETAIL A
2 – R2 ±0.1
133.35 ±0.2
25.4 ±0.13
17.78 ±0.13
2 – R1 ±0.1
127.35 Typ.3.0 ±0.13
3.0 ±0.13
21.495 ±0.13
45.18 ±0.13 54.61 ±0.1
36.83 ±0.1
2 – φ3 ±0.1
84BA
11.43 ±0.1
(Unit : mm)
5.89 ±0.13
*1
*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.
6.0 Min.
1.27 ±0.1
4.00 Max.
MSC23V47257TA-xxBS18/MSC23V47257SA-xxBS18¡ Semiconductor
703
MSC23V47257SA-xxBS18
0.23 Min.
1.27 ±0.1
1.0 ±0.1
0.25 Max.
6.35 ±0.1
2.0 ±0.1
3.00 ±0.13
CL
6.35 ±0.1
2.0 ±0.1
3.00 ±0.13
DETAIL BDETAIL A
2 – R2 ±0.1
133.35 ±0.2
25.4 ±0.13
17.78 ±0.13
2 – R1 ±0.1
127.35 Typ.3.0 ±0.13
3.0 ±0.13
21.495 ±0.13
45.18 ±0.13 54.61 ±0.1
36.83 ±0.1
2 – φ3 ±0.1
84BA
11.43 ±0.1
(Unit : mm)
5.89 ±0.13
*1
*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.
6.0 Min.
1.27 ±0.1
9.3 Max.
MSC23V47257TA-xxBS18/MSC23V47257SA-xxBS18 ¡ Semiconductor
704
Front Side
VSS VCC A4 CB2
Pin No.
Pin Name
Pin No.
Pin Name
Pin No.
Pin Name
11835
Pin No.
Pin Name
52
Pin No.
Pin Name
69 DQ24
DQ0 DQ14 A6 CB3
2 19365370 DQ25
DQ1 DQ15 A8 VSS
3 20375471 DQ26
DQ2 CB0 A10 DQ16
4 21385572 DQ27
DQ3 CB1 NC DQ17
5 22395673 VCC
VCC VSS VCC DQ18
6 23405774 DQ28
DQ4 NC VCC DQ19
7 24415875 DQ29
DQ5 NC NC VCC
8 25425976 DQ30
DQ6 VCC VSS DQ20
9 26436077 DQ31
DQ7 WE0 OE2 NC
10 27 44 61 78 VSS
DQ8 CAS0 RAS2 NC
11 28 45 62 79 NC
VSS CAS1 CAS2 NC
12 29 46 63 80 NC
DQ9 RAS0 CAS3 VSS
13 30 47 64
DQ10 OE0 WE2 DQ21
14 31 48 65
DQ11 VSS VCC DQ22
15 32 49 66
DQ12 A0 NC DQ23
16 33 50 67
DQ13 A2 NC VSS
17 34 51 68
81 NC
82 SDA
83 SCL
84 VCC
Back Side
VSS VCC A5 CB6
Pin No.
Pin Name
Pin No.
Pin Name
Pin No.
Pin Name
85 102 119
Pin No.
Pin Name
136
Pin No.
Pin Name
153 DQ56
DQ32 DQ46 A7 CB7
86 103 120 137 154 DQ57
DQ33 DQ47 A9 VSS
87 104 121 138 155 DQ58
DQ34 CB4 NC DQ48
88 105 122 139 156 DQ59
DQ35 CB5 NC DQ49
89 106 123 140 157 VCC
VCC VSS VCC DQ50
90 107 124 141 158 DQ60
DQ36 NC NC DQ51
91 108 125 142 159 DQ61
DQ37 NC NC VCC
92 109 126 143 160 DQ62
DQ38 VCC VSS DQ52
93 110 127 144 161 DQ63
DQ39 NC NC NC
94 111 128 145 162 VSS
DQ40 CAS4 NC NC
95 112 129 146 163 NC
VSS CAS5 CAS6 NC
96 113 130 147 164 NC
DQ41 NC CAS7 VSS
97 114 131 148
DQ42 NC NC DQ53
98 115 132 149
DQ43 VSS VCC DQ54
99 116 133 150
DQ44 A1 NC DQ55
100 117 134 151
DQ45 A3 NC VSS
101 118 135 152
165 SA0
166 SA1
167 SA2
168 VCC
MSC23V47257TA-xxBS18/MSC23V47257SA-xxBS18¡ Semiconductor
705
Serial PD Matrix
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Remark
00001101
00001000
00000010
00001011
00001011
00000001
01001000
00000010
00111100
00001111
00010100
0
1
2
3
4
5
6
8
9 (-60)
10 (-60)
10 (-70)
Number of Bytes used (13 Bytes)
Total SPD Memory size (256 Bytes)
Memory type (EDO)
Number of Rows (11)
Number of Columns (11)
Number of Banks (1)
Module Data Width (72)
Supply Voltage (3.3 V, LVTTL)
RAS Access Time (60 ns)
CAS Access Time (15 ns)
CAS Access Time (20 ns)
00000000
01000110
7
9 (-70)
Module Data Width Continued (0)
RAS Access Time (70 ns)
0000001011 ECC
0000000012 Normal Refresh
Byte Number
