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MSM518122 Datasheet (PDF) - OKI electronic componets

MSM518122 Datasheet PDF - OKI electronic componets
No. de pieza MSM518122
Descarga  MSM518122 Descarga

Tamaño del archivo   624.13 Kbytes
Page   45 Pages
Fabricante Electrónico  OKI [OKI electronic componets]
Página de inicio  http://www.oki.com
Logo OKI - OKI electronic componets
Descripción Electrónicos 131,072-Word x 8-Bit Multiport DRAM

MSM518122 Datasheet (PDF)

Go To PDF Page Descarga Datasheet
MSM518122 Datasheet PDF - OKI electronic componets

No. de pieza MSM518122
Descarga  MSM518122 Click to download

Tamaño del archivo   624.13 Kbytes
Page   45 Pages
Fabricante Electrónico  OKI [OKI electronic componets]
Página de inicio  http://www.oki.com
Logo OKI - OKI electronic componets
Descripción Electrónicos 131,072-Word x 8-Bit Multiport DRAM

MSM518122 Datasheet (HTML) - OKI electronic componets

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MSM518122 Detalles de producto

DESCRIPTION
The MSM518122 is an 1-Mbit CMOS multiport DRAM composed of a 131,072-word by 8-bit dynamic RAM and a 256-word by 8-bit SAM. Its RAM and SAM operate independently and asynchronously.
The MSM518122 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 MSM518122 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.

FEATURES
• Single power supply: 5 V ±10%
• Full TTL compatibility
• Multiport organization
    RAM: 128K word x 8 bits
    SAM: 256 word x 8 bits
• Fast page mode
• Write per bit
• Masked flash write
• Masked block write
• RAS only refresh
• CAS before RAS refresh
• Hidden refresh
• Serial read/write
• 256 tap location
• Bidirectional data transfer
• Split transfer
• Masked write transfer
• Refresh: 512 cycles/8 ms
• Package options:
    40-pin 475 mil plastic ZIP (ZIP40-P-475-1.27) (Product : MSM518122-xxZS)
    40-pin 400 mil plastic SOJ (SOJ40-P-400-1.27) (Product : MSM518122-xxJS)
                                                                           xx indicates speed rank.




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