MSC23840D-XXBS20 Datasheet, PDF (1/9 Pages) OKI electronic componets – 8,388,608-word x 40-bit DYNAMIC RAM MODULE : FAST PAGE MODE TYPE

Semiconductor
MSC23840D-xxBS20/DS20
8,388,608-word x 40-bit DYNAMIC RAM MODULE : FAST PAGE MODE TYPE
This version: Mar. 6. 2000
Previous version: Mar. 8. 1999
DESCRIPTION
The MSC23840D-xxBS20/DS20 is an 8,388,608-word x 40-bit CMOS dynamic random access memory module
which is composed of twenty 16Mb DRAMs (4Mx4) in SOJ packages mounted with twenty decoupling capacitors.
This is a 72-pin single in-line memory module. This module supports any application where high density and large
capacity of storage memory are required.
FEATURES
• 8,388,608-word x 40-bit organization
• 72-pin Single In-Line Memory Module
MSC23840D-xxBS20 : Gold tab
MSC23840D-xxDS20 : Solder tab
• Single 5V power supply, ±10% tolerance
• Input : TTL compatible
• Output : TTL compatible, 3-state
• Refresh : 2048cycles/32ms
• Fast page mode, read modify write capability
• /CAS before /RAS refresh, hidden refresh, /RAS only refresh capability
• Multi-bit test mode capability
PRODUCT FAMILY
Family
MSC23840D-60BS20/DS20
MSC23840D-70BS20/DS20
Access Time (Max.) _{Cycle Time}
tRAC
tAA
tCAC tOEA
(Min.)
60ns 30ns 15ns 15ns 110ns
70ns 35ns 20ns 20ns 130ns
Power Dissipation (Max.)
Operating
Standby
5225mW
4950mW
110mW
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