MSC23B2321D Datasheet, PDF (1/9 Pages) OKI electronic componets – 2,097,152-word x 32-bit DYNAMIC RAM MODULE : FAST PAGE MODE TYPE

Semiconductor
MSC23B2321D-xxBS4/DS4
2,097,152-word x 32-bit DYNAMIC RAM MODULE : FAST PAGE MODE TYPE
This version: Mar. 3. 1999
DESCRIPTION
The MSC23B2321D-xxBS4/DS4 is a fully decoded, 2,097,152-word x 32-bit CMOS dynamic random access
memory module composed of four 16Mb DRAMs in SOJ packages mounted with eight 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 32-bit organization
· 72-pin Single Inline Memory Module
MSC23B2321D-xxBS4 : Gold tab
MSC23B2321D-xxDS4 : 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
PRODUCT FAMILY
Family
MSC23B2321D-60BS4/DS4
MSC23B2321D-70BS4/DS4
Access Time (Max.)
tRAC
60ns
70ns
tAA
30ns
35ns
tCAC
15ns
20ns
Cycle
Time
(Min.)
110ns
130ns
Power Dissipation
Operating (Max.)
1430mW
1320mW
Standby (Max.)
22mW