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MSM548262 - Multiport DRAM

Description

The MSM548262 is a 2-Mbit CMOS multiport DRAM composed of a 262,144-word by 8-bit dynamic RAM, and a 512-word by 8-bit SAM.

Its RAM and SAM operate independently and asynchronously.

Features

  • block write, 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 flipflops.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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E2L0016-17-Y1 www.DataSheet4U.com ¡ Semiconductor ¡ Semiconductor MSM548262 262,144-Word ¥ 8-Bit Multiport DRAM This version: Jan. 1998 MSM548262 Previous version: Dec. 1996 DESCRIPTION The MSM548262 is a 2-Mbit CMOS multiport DRAM composed of a 262,144-word by 8-bit dynamic RAM, and a 512-word by 8-bit SAM. Its RAM and SAM operate independently and asynchronously. It supports three types of operations: 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 MSM548262 features block write, flash write functions on the RAM port and a split data transfer capability on the SAM port.
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