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AK532256W - 262144 Word by 32 Bit CMOS Dynamic Random Access Memory

Description

The Accutek AK532256W high density memory module is a CMOS dynamic RAM organized in 256K x 32 bit words.

The module consists of eight standard 256K x 4 DRAMs in plastic SOJ packages.

Features

  • 262,144 x 32 bit organization.
  • 72 pin Single In-Line Module.
  • Multiple CAS and RAS lines allow x16 or x32 bit widths.
  • CAS-before-RAS Refresh, RAS-only Refresh or Hidden refresh.
  • Operating free air temperature 0oC to 70oC.
  • Single 5 Volt Power Supply.
  • 512 Refresh Cycles, 8mSEC.
  • Power 2.00 Watt Max Active (60nS) 1.78 Watt Max Active (70 nS) 1.562 Watt Max Active (80 nS) 44 mW Max Standby.
  • Available in Fast Page Mode, EDO and Static Column Mode versions.

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Datasheet preview – AK532256W

Datasheet Details

Part number AK532256W
Manufacturer ACCUTEK
File Size 136.03 KB
Description 262144 Word by 32 Bit CMOS Dynamic Random Access Memory
Datasheet download datasheet AK532256W Datasheet
Additional preview pages of the AK532256W datasheet.

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Full PDF Text Transcription

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MICROCIRCUIT CORPORATION DESCRIPTION The Accutek AK532256W high density memory module is a CMOS dynamic RAM organized in 256K x 32 bit words. The module consists of eight standard 256K x 4 DRAMs in plastic SOJ packages. The assembly has eight drams mounted on the front side of a printed circuit board in a 72 pad leadless SIM configuration. The operation of the AK532256W is identical to eight 256K x 4 DRAMs. There are four CAS lines and two RAS lines. Independent byte control is accomplished by four CAS lines. Each seperate CAS line controls two 256K x 4 Drams to form an 8 bit byte. The bank of 32 bits is controlled by the two RAS lines. A sixteen bit data path can be produced by connecting DQ1 to DQ17, DQ2 to DQ18 and alternately strobing RAS0 with RAS2.
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