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¡ Semiconductor
MSC2383257A-xxBS16/DS16
¡ Semiconductor
MSC2383257A-xxBS16/DS16
8,388,608-Word ¥ 32-Bit DRAM MODULE : FAST PAGE MODE TYPE WITH EDO
1
DESCRIPTION
The Oki MSC2383257A-xxBS16/DS16 is a fully decoded 8,388,608-word ¥ 32-bit CMOS dynamic
random access memory composed of sixteen 16-Mb DRAMs (4M ¥ 4) in SOJ. The mounting of
sixteen DRAMs together with decoupling capacitors on a 72-pin glass epoxy SIMM Package
supports any application where high density and large capacity of storage memory are required.
FEATURES
• 8,388,608-word ¥ 32-bit organization
• 72-pin SIMM
MSC2383257A-xxBS16 : Gold tab
MSC2383257A-xxDS16 : Solder tab
• Single 5 V supply ±10% tolerance
• Input : TTL compatible
• Output : TTL 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
PRODUCT FAMILY
Family
MSC2383257A-60BS16/DS16 5500 mW
MSC2383257A-70BS16/DS16 5060 mW
Access Time (Max.)
t
RAC
60 ns 30 ns 15 ns 110 ns
70 ns 35 ns 20 ns 130 ns
t
AA
t
CAC
Cycle Time
(Min.)
Operating (Max.)
Power Dissipation
Standby (Max.)
88 mW
117
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MSC2383257A-xxBS16/DS16 ¡ Semiconductor
PIN CONFIGURATION
MSC2383257A-xxBS16/DS16
* 1
107.95 ±0.2
3.38 ±0.2
3.18φ
25.4 ±0.2
Typ.
Typ.
10.16
6.35
2.03 Typ.
Pin No.
Pin Name
11631
2 173247
3 183348
4 193449
5 203550
6 213651
7 223752
8 233853
9 243954
10 25 40 55
11 26 41 56
12 27 42 57
13 28 43 58
14 29 44 59
15 30 45 60
1
6.35 Typ.
*1 The common size difference of the board width 12.5 mm of its height is
V
SS
1.27 ±0.1
specified as ±0.2. The value above 12.5 mm is specified as ±0.5.
Pin No.
Pin Name
A4 A8 NC
DQ0 A5 A9 WE
DQ16 A6 RAS3 NC
DQ1 A10 RAS2 DQ8
DQ17 DQ4 NC DQ24
DQ2 DQ20 NC DQ9
DQ18 DQ5 NC DQ25
DQ3 DQ21 NC DQ10
DQ19 DQ6 V
V
CC
DQ22 CAS0 DQ11
NC DQ7 CAS2 DQ27
A0 DQ23 CAS3 DQ12
A1 A7 CAS1 DQ28
A2 NC RAS0 V
A3 V
CC
101.19 Typ.
R1.57
6.35
Pin No.
95.25
1.04 Typ.
Pin Name
Pin No.
Pin Name
46
SS
RAS1 DQ29
DQ26
72
CC
3.7 Min.
1.27
Pin No.
(Unit : mm)
9.30 Max.
+0.1
–0.08
Pin Name
61
62
63
64
65
66
67
68
69
70
71
72
6.2 Min.
DQ13
DQ30
DQ14
DQ31
DQ15
NC
PD1
PD2
PD3
PD4
NC
V
SS
Presence Detect Pins
Pin No.
67 PD1
68 PD2
118
Pin Name
MSC2383257A
-60BS16/DS16
NC
V
SS
NC69 PD3
MSC2383257A
-70BS16/DS16
NC
V
SS
V
SS
NCNC70 PD4