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NT5TU64M8EE Datasheet(PDF) 24 Page - Nanya Technology Corporation. |
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NT5TU64M8EE Datasheet(HTML) 24 Page - Nanya Technology Corporation. |
24 / 96 page DDR2 512Mb SDRAM NT5TU64M8EE / NT5TU32M16EG 24 Version 1.0 Nanya Technology Corp.© 09/2014 All Rights Reserved Burst Mode Operation Burst mode operation is used to provide a constant flow of data to memory locations (write cycle), or from memory locations (read cycle). The parameters that define how the burst mode will operate are burst sequence and burst length. The DDR2 SDRAM supports 4 bit and 8 bit burst modes only. For 8 bit burst mode, full interleave address ordering is supported, however, sequential address ordering is nibble based for ease of implementation. The burst type, either sequential or interleaved, is programmable and defined by the address bit 3 (A3) of the MRS. Seamless burst read or write operations are supported. Interruption of a burst read or write operation is prohibited, when burst length = 4 is programmed. For burst interruption of a read or write burst when burst length = 8 is used, see the “Burst Interruption “section of this datasheet. A Burst Stop command is not supported on DDR2 SDRAM devices. Burst Length and Sequence Burst Length Starting Address Sequential Addressing (decimal) Interleave Addressing (decimal) A2 A1 A0 4 - 0 0 0, 1, 2, 3 0, 1, 2, 3 - 0 1 1, 2, 3, 0 1, 0, 3, 2 - 1 0 2, 3, 0, 1 2, 3, 0, 1 - 1 1 3, 0, 1, 2 3, 2, 1, 0 8 0 0 0 0, 1, 2, 3, 4, 5, 6, 7 0, 1, 2, 3, 4, 5, 6, 7 0 0 1 1, 2, 3, 0, 5, 6, 7, 4 1, 0, 3, 2, 5, 4, 7, 6 0 1 0 2, 3, 0, 1, 6, 7, 4, 5 2, 3, 0, 1, 6, 7, 4, 5 0 1 1 3, 0, 1, 2, 7, 4, 5, 6 3, 2, 1, 0, 7, 6, 5, 4 1 0 0 4, 5, 6, 7, 0, 1, 2, 3 4, 5, 6, 7, 0, 1, 2, 3 1 0 1 5, 6, 7, 4, 1, 2, 3, 0 5, 4, 7, 6, 1, 0, 3, 2 1 1 0 6, 7, 4, 5, 2, 3, 0, 1 6, 7, 4, 5, 2, 3, 0, 1 1 1 1 7, 4, 5, 6, 3, 0, 1, 2 7, 6, 5, 4, 3, 2, 1, 0 |
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