OKI MSC23B236D-60DS8, MSC23B236D-70BS8, MSC23B236D-70DS8, MSC23B236D-60BS8 Datasheet

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

Semiconductor MSC23B236D

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.

5.7Min.

9.3Max.

+0.1

-0.08

1.27

(Unit : mm )

MSC23B236D-xxBS8/DS 8

*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 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