MSC2343257A-XXBS8 OKI [OKI electronic componets], MSC2343257A-XXBS8 Datasheet

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MSC2343257A-XXBS8

Manufacturer Part Number
MSC2343257A-XXBS8
Description
4,194,304-Word x 32-Bit DRAM MODULE : FAST PAGE MODE TYPE WITH EDO
Manufacturer
OKI [OKI electronic componets]
Datasheet
¡ Semiconductor
MSC2343257A-xxBS8/DS8
4,194,304-Word ¥ 32-Bit DRAM MODULE : FAST PAGE MODE TYPE WITH EDO
DESCRIPTION
The Oki MSC2343257A-xxBS8/DS8 is a fully decoded 4,194,304-word ¥ 32-bit CMOS dynamic
random access memory composed of eight 16-Mb DRAMs (4M ¥ 4) in SOJ. The mounting of eight
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
• 4,194,304-word ¥ 32-bit organization
• 72-pin SIMM
• Single 5 V supply 10% tolerance
• Input
• 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
¡ Semiconductor
MSC2343257A-60BS8/DS8
MSC2343257A-70BS8/DS8
MSC2343257A-xxBS8 : Gold tab
MSC2343257A-xxDS8 : Solder tab
Family
: TTL compatible
60 ns
70 ns
t
Access Time (Max.)
RAC
30 ns
35 ns
t
AA
15 ns
20 ns
t
CAC
Cycle Time
(Min.)
110 ns
130 ns
Operating (Max.) Standby (Max.)
MSC2343257A-xxBS8/DS8
5280 mW
4840 mW
Power Dissipation
44 mW
1
101

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MSC2343257A-XXBS8 Summary of contents

Page 1

... DRAM MODULE : FAST PAGE MODE TYPE WITH EDO DESCRIPTION The Oki MSC2343257A-xxBS8/DS8 is a fully decoded 4,194,304-word ¥ 32-bit CMOS dynamic random access memory composed of eight 16-Mb DRAMs (4M ¥ SOJ. The mounting of eight 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 ...

Page 2

... MSC2343257A-xxBS8/DS8 PIN CONFIGURATION MSC2343257A-xxBS8/DS8 3.38 ±0.2 3.18 25.4 ±0.2 Typ. Typ. 10.16 1 6.35 2.03 Typ. 1.27 ±0.1 6.35 Typ. *1 The common size difference of the board width 12 its height is specified as ±0.2. The value above 12 specified as ±0.5. Pin No. Pin Name Pin No. Pin Name DQ0 17 3 DQ16 18 4 DQ1 ...

Page 3

... SS DQ DQ4 DQ DQ5 DQ DQ6 DQ DQ7 DQ8 DQ DQ9 DQ DQ10 DQ DQ11 DQ12 DQ DQ13 DQ DQ14 DQ DQ15 CAS3 MSC2343257A-xxBS8/DS8 1 DQ DQ16 A0 - A10 DQ DQ17 RAS DQ DQ18 CAS DQ DQ19 DQ20 A0 - A10 DQ DQ21 RAS DQ DQ22 CAS DQ DQ23 ...

Page 4

... MSC2343257A-xxBS8/DS8 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings Parameter Voltage on Any Pin Relative Voltage V Supply Relative Short Circuit Output Current Power Dissipation Operating Temperature Storage Temperature Note: Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded. Functional operation should be restricted to the conditions as detailed in the operational sections of this data sheet ...

Page 5

... Min. — — 8 –0 — 960 IH = Min. — 960 = Min — 1120 = Min. for output open condition. CC MSC2343257A-xxBS8/DS8 ( ±10 0°C to 70°C) CC MSC2343257A -70BS8/DS8 Unit Note 1 Min. Max. –80 80 µA –10 10 µ — ...

Page 6

... MSC2343257A-xxBS8/DS8 AC Characteristics (1/2) Parameter Random Read or Write Cycle Time Fast Page Mode Cycle Time Access Time from RAS Access Time from CAS Access Time from Column Address Access Time from CAS Precharge Output Low Impedance Time from CAS Output Hold Time from CAS Low ...

Page 7

... RAS to CAS Hold Time (CAS before RAS RAS Precharge Time (CAS before RAS) WE Hold Time from RAS (CAS before RAS) RAS to WE Set-up Time (Test Mode) RAS to WE Hold Time (Test Mode) MSC2343257A-xxBS8/DS8 ( ±10 0°C to 70°C) CC MSC2343257A ...

Page 8

... MSC2343257A-xxBS8/DS8 Notes start-up delay of 200 s is required after power-up, followed by a minimum of eight initialization cycles (RAS-only refresh or CAS before RAS refresh) before proper device operation is achieved. 2. The AC characteristics assume (Min.) and V IH Transition times (t 4. This parameter is measured with a load circuit equivalent to 2 TTL loads and 100 pF. ...

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