MSM5718B70-53GS-K Просмотр технического описания (PDF) - Oki Electric Industry

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MSM5718B70-53GS-K

18-Megabit RDRAM (2M x 9)

Oki Electric Industry 

¡ Semiconductor

MSM5718B70

Serial Address Packet

The non-sequential (Random Access) commands specify the eight column address bits needed to

access random octbytes within the open page. These address bits are provided using a Serial Address

packet.

Bus- Bus-

Enable Ctrl

[4] SAdr —

even [1][3]

[4] SAdr —

odd [1][4]

[5] SAdr —

even [1][5]

[5] SAdr —

odd [1][6]

[6] SAdr —

even [1][7]

[6] SAdr —

odd [1][8]

[7] SAdr —

even [1][9]

[7] SAdr —

odd [1][10]

BusData (8:0)

—

—

—

—

—

—

—

—

[4*n] SAdr —

—

even [n][3]

[4*n] SAdr —

—

odd [n][4]

[4*n+1] SAdr —

—

even [n][5]

[4*n+1] SAdr —

—

odd [n][6]

[4*n+2] SAdr —

—

even [n][7]

[4*n+2] SAdr —

—

odd [n][8]

[4*n+3] SAdr —

—

even [n][9]

[4*n+3] SAdr —

—

odd [n][10]

Time

Fig. 9 Serial Address Packet Format1

Note: 1. A — in this diagram signifies that this pin is not used by this packet. If it is not used

by another packet, it is pulled to a logic zero value.

11

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