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MSM514262 - DRAM / FAST PAGE MODE TYPE

Datasheet Summary

Description

The MSM514262 is an 1-Mbit CMOS multiport DRAM composed of a 262,144-word by 4-bit dynamic RAM and a 512-word by 4-bit SAM.

Its RAM and SAM operate independently and asynchronously.

Features

  • the block write and flash write functions on the RAM port and a split data transfer capability on the SAM port. The SAM port requires no refresh operation because it uses static CMOS flip-flops.

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Datasheet Details

Part number MSM514262
Manufacturer OKI electronic componets
File Size 507.89 KB
Description DRAM / FAST PAGE MODE TYPE
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Full PDF Text Transcription

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E2L0013-17-Y1 ¡ Semiconductor ¡ Semiconductor MSM514262 262,144-Word ¥ 4-Bit Multiport DRAM This version: Jan. 1998 MSM514262 Previous version: Dec. 1996 DESCRIPTION The MSM514262 is an 1-Mbit CMOS multiport DRAM composed of a 262,144-word by 4-bit dynamic RAM and a 512-word by 4-bit SAM. Its RAM and SAM operate independently and asynchronously. The MSM514262 supports three types of operation : random access to RAM port, high speed serial access to SAM port and bidirectional transfer of data between any selected row in the RAM port and the SAM port. In addition to the conventional multiport DRAM operating modes, the MSM514262 features the block write and flash write functions on the RAM port and a split data transfer capability on the SAM port.
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