OKI MSC2313258D-70BS2, MSC2313258D-70DS2, MSC2313258D-60BS2, MSC2313258D-60DS2 Datasheet
Semiconductor
MSC2313258D-xxBS2/DS2
1,048,576-word x 32-b i t DYNAMIC RAM MODULE : FAST PAGE MODE TYPE WITH EDO
This vers i on: Feb. 23. 199
9
DESCRIPTION
The MSC2313258D-xxBS2/DS2 is a fully decoded, 1,048,576-word x 32-bit CMOS dynamic random access
memor y modul e com posed of two 16Mb DRAM s in SO J packages m ounted with four decoupli ng capaci tors on a
72-pin glass epoxy single-inline package. This module supports any application where high density and large
capacity of storage memory are required.
FEATURES
· 1,048,576-word x 32- bit organization
· 72-pin socket insertable module
MSC2313258D-xxBS2 : Gold tab
MSC2313258D-xxDS2 : Solder t ab
· Singl e +5V supply ± 10% tolerance
· Input : TTL compatible
· Output : TTL compatible, 3-state
· Refresh : 1024cycles/16ms
· /CAS before /RAS refresh, hidden refr esh, /RAS only refresh capability
· Fast page mode c apability
PRODUCT FAMILY
Access Time (Max. ) Power Dissipation
Family
t
RAC
t
AA
t
CAC
Cycle
Time
(Min.)
Operating(Max.) Standby(Max.)
MSC2313258D-60BS2/DS2 60ns 30ns 15ns 104ns 1375mW
MSC2313258D-70BS2/DS2 70ns 35ns 20ns 124ns 1265mW
11mW
Semiconductor MSC2313258D
MODULE OUTLINE
1 72
R1.57
6.35
1.04Typ.1.27±0.1
95.25
2.03Typ.
6.35Typ.
Typ.
6.35
Typ.
10.16
(
3.18
19.0±0.2
101.19Typ.
107.95±0.2
*1
3.38Typ.
6.0Min.
5.28Max.
+0.1
-0.08
1.27
(Unit : mm )
MSC2313258D-xxBS2/DS2
*1 The common size difference of the board width 12.5mm of its height is specified as ±0.2.
The value above 12.5mm is specified as ±0.5.
Semiconductor MSC2313258D
PIN C ONFIGURATION
Pin No. Pin Name Pin No. Pin Nam e Pin No. Pin Nam e Pin No. Pin Nam e
1VSS19 NC 37 NC 55 DQ11
2 DQ0 20 DQ4 38 NC 56 DQ27
3 DQ16 21 DQ20 39 V
SS
57 DQ12
4 DQ1 22 DQ5 40 /CAS0 58 DQ28
5 DQ17 23 DQ21 41 /CAS2 59 V
CC
6 DQ2 24 DQ6 42 /CAS3 60 DQ29
7 DQ18 25 DQ22 43 /CAS1 61 DQ13
8 DQ3 26 DQ7 44 /RAS0 62 DQ30
9 DQ19 27 DQ23 45 NC 63 DQ14
10 V
CC
28 A7 46 NC 64 DQ31
11 NC 2 9 NC 4 7 /WE 65 DQ15
12 A0 30 V
CC
48 NC 66 NC
13 A1 31 A8 49 DQ 8 67 PD1
14 A2 32 A9 50 DQ24 68 PD2
15 A3 33 NC 51 DQ9 69 PD3
16 A4 34 /RAS2 52 DQ25 70 PD4
17 A5 35 NC 53 DQ10 71 NC
18 A6 36 NC 54 DQ26 72 V
SS
Presence Detect Pins
Pin No. Pin Name
MSC2313258D
-60BS2/DS2
MSC2313258D
-70BS2/DS2
67 PD1 V
SS
V
SS
68 PD2 V
SS
V
SS
69 PD3 NC V
SS
70 PD4 NC NC
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