MSC23B2321D-70DS4 查看數據表（PDF） - Oki Electric Industry

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MSC23B2321D-70DS4

2,097,152-word x 32-bit DYNAMIC RAM MODULE : FAST PAGE MODE TYPE

Oki Electric Industry 

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

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