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AK536256W - 262144 Word by 32 Bit CMOS Dynamic Random Access Memory

Datasheet Summary

Description

The Accutek AK536256W high density memory module is a CMOS dynamic RAM organized in 256K x 36 bit words.

The module consists of eight standard 256K x 4 DRAMs in plastic SOJ packages and four 256K x 1 DRAMs in PLCC packages.

Features

  • 262,144 x 36 bit organization 72 pad Single In-Line Module Multiple CAS and RAS lines allow x18 or x36 bit widths CAS-before-RAS refresh Operating free air temperature 0oC to 70oC Single 5 Volt Power Supply.
  • Power 2.705 Watt Max Active (70nS) 2.375 Watt Max Active (80 nS) 2.045 Watt Max Active (100 nS) 66 mW Max Standby.
  • 512 Refresh Cycles, 8 mSEC.
  • Available in Fast Page Mode and Static Column Mode versions.
  • Upward compatible with AK536512.

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Datasheet preview – AK536256W

Datasheet Details

Part number AK536256W
Manufacturer ACCUTEK
File Size 158.63 KB
Description 262144 Word by 32 Bit CMOS Dynamic Random Access Memory
Datasheet download datasheet AK536256W Datasheet
Additional preview pages of the AK536256W datasheet.

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Full PDF Text Transcription

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MICROCIRCUIT CORPORATION DESCRIPTION The Accutek AK536256W high density memory module is a CMOS dynamic RAM organized in 256K x 36 bit words. The module consists of eight standard 256K x 4 DRAMs in plastic SOJ packages and four 256K x 1 DRAMs in PLCC packages. The assembly has 12 drams mounted on the front side of a printed circuit board in a 72 pad leadless SIM configuration. The operation of the AK536256W is identical to eight 256K x 4 plus four 256K x 1 DRAMs. There are four CAS lines and two RAS lines. Independent byte control is accomplished by four CAS lines. Each separate CAS line controls two 256K x 4 DRAMs, along with one 256K x 1 DRAM with data in tied to data out to form a 9 bit byte. The bank of 36 bits is controlled by the two RAS lines.
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