English
Language : 

MSC23240D-XXBS20 Datasheet, PDF (1/9 Pages) OKI electronic componets – 2,097,152-word x 40-bit DYNAMIC RAM MODULE : FAST PAGE MODE TYPE
Semiconductor
MSC23240D-xxBS20/DS20
2,097,152-word x 40-bit DYNAMIC RAM MODULE : FAST PAGE MODE TYPE
This version: Mar. 3. 1999
DESCRIPTION
The MSC23240D-xxBS20/DS20 is a fully decoded, 2,097,152-word x 40-bit CMOS dynamic random access
memory module composed of twenty 4Mb DRAMs in SOJ packages mounted with twenty decoupling capacitors on
a 72-pin glass epoxy single-inline package. This module supports any application where high density and large
capacity of storage memory are required.
FEATURES
· 2,097,152-word x 40-bit organization
· 72-pin Single Inline Memory Module
MSC23240D-xxBS20 : Gold tab
MSC23240D-xxDS20 : Solder tab
· Single +5V supply ± 10% tolerance
· Input : TTL compatible
· Output : TTL compatible, 3-state
· Refresh : 1024cycles/16ms
· /CAS before /RAS refresh, hidden refresh, /RAS only refresh capability
· Fast page mode capability
· Multi-bit test mode capability
PRODUCT FAMILY
Family
MSC23240D-60BS20/DS20
MSC23240D-70BS20/DS20
Access Time (Max.)
tRAC tAA tCAC tOEA
60ns 30ns 15ns 15ns
70ns 35ns 20ns 20ns
Cycle
Time
(Min.)
110ns
130ns
Power Dissipation
Operating (Max.)
5225mW
4675mW
Standby (Max.)
110mW