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Semiconductor
MSC23B236D-xxBS8/DS8
2,097,152-wo rd x 36-bit DYNAMIC RAM MODULE : FAST PAGE MODE TYPE
This vers i on: Mar. 3. 1999
DESCRIPTION
The MSC23B236D-xxBS8/DS8 is a fully decoded, 2,097,152-word x 36-bit CMOS dynamic random access memory
module com posed of four 16M b DRAMs in SOJ packages and four 2Mb DRAMs in SOJ packages m ounted with
eight decoupl ing capacit ors on a 72-pin gl ass epoxy single-i nline package. Thi s module supports any applicat ion
where high density and lar ge c apac ity of stor age memory ar e r equired.
FEATURES
· 2,097,152-word x 36- bit organization
· 72-pin Single Inline Memory M odule
MSC23B236D-xxBS8 : Gold tab
MSC23B236D-xxDS8 : Sol der tab
· Singl e +5V supply ± 10% tolerance
· Input : TTL compatibl e
· Output : TTL compatible, 3-state
· Refresh : 1024cycles/16ms
· /CAS before /RAS refresh, hidden refresh, /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.)
MSC23B236D-60BS8/DS8 60ns 30ns 15ns 110ns 2365mW
MSC23B236D-70BS8/DS8 70ns 35ns 20ns 130ns 2145mW
44mW
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Semiconductor MSC23B236D
MODULE OUTLINE
10.16
(
3.18
19.0±0.2
101.19Typ.
107.95±0.2
*1
3.38Typ.
5.7Min.
9.3Max.
+0.1
-0.08
1.27
(Unit : mm )
*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.
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Semiconductor MSC23B236D
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 DQ17 55 DQ12
2 DQ0 20 DQ4 38 DQ35 56 DQ30
3 DQ18 21 DQ22 39 V
SS
57 DQ13
4 DQ1 22 DQ5 40 /CAS0 58 DQ31
5 DQ19 23 DQ23 41 /CAS2 59 V
CC
6 DQ2 24 DQ6 42 /CAS3 60 DQ32
7 DQ20 25 DQ24 43 /CAS1 61 DQ14
8 DQ3 26 DQ7 44 /RAS0 62 DQ33
9 DQ21 27 DQ25 45 /RAS1 63 DQ15
10 V
CC
28 A7 46 NC 64 DQ34
11 NC 29 NC 47 /WE 65 DQ16
12 A0 30 V
CC
48 NC 66 NC
13 A1 31 A8 49 DQ9 67 PD1
14 A2 32 A9 50 DQ27 68 PD2
15 A3 33 /RAS3 51 DQ10 69 PD3
16 A4 34 /RAS2 52 DQ28 70 PD4
17 A5 35 DQ26 53 DQ11 71 NC
18 A6 36 DQ8 54 DQ 29 72 V
SS
Presence Detect Pins
Pin No. Pin Name
MSC23B236D
-60BS8/DS8
MSC23B236D
-70BS8/DS8
67 PD1 NC NC
68 PD2 NC NC
69 PD3 NC V
SS
70 PD4 NC NC