MSC23837A Datasheet, PDF (1/8 Pages) OKI electronic componets – 8,388,608-Word x 36-Bit DRAM MODULE : FAST PAGE MODE TYPE

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MSC23837A-xxBS18/DS18
MSC23837A-xxBS18/DS18
8,388,608-Word ¥ 36-Bit DRAM MODULE : FAST PAGE MODE TYPE
DESCRIPTION
The Oki MSC23837A-xxBS18/DS18 is a fully decoded 8,388,608-word ¥ 36-bit CMOS dynamic
random access memory composed of eighteen 16-Mb DRAMs (4M ¥ 4) in SOJ packages mounted
with decoupling capacitors on a 72-pin glass epoxy SIMM Package. This module is generally
used for memory expansion in parity applications such as workstations.
FEATURES
• 8,388,608-word ¥ 36-bit (ECC) organization
• 72-pin SIMM
MSC23837A-xxBS18 : Gold tab
MSC23837A-xxDS18 : Solder tab
• Single 5 V supply ±10% tolerance
• Input : TTL compatible
• Output : TTL compatible, 3-state
• Refresh : 4096 cycles/64 ms
• CAS before RAS refresh, CAS before RAS hidden refresh, RAS-only refresh capability
• Multi-bit test mode capability
• Fast Page Mode capability
PRODUCT FAMILY
Family
MSC23837A-60BS18/DS18
MSC23837A-70BS18/DS18
Access Time (Max.)
t_RAC t_AA t_CAC t_OEA
60 ns 30 ns 15 ns 15 ns
70 ns 35 ns 20 ns 20 ns
Cycle Time
(Min.)
110 ns
130 ns
Power Dissipation
Operating (Max.) Standby (Max.)
5197.5 mW
4702.5 mW
99 mW
215