參數(shù)資料
型號(hào)： M13S128324A-6BG
廠商： Electronic Theatre Controls, Inc.
英文描述： Modify typing error of Pin Arrangement
中文描述： 修改輸入錯(cuò)誤的管腳配置
文件頁(yè)數(shù)： 24/48頁(yè)
文件大?。?/td> 803K
代理商： M13S128324A-6BG
ES MT
M13S128324A
Elite Semiconductor Memory Technology Inc.
Publication Date : Mar. 2006
Revision : 1.0 24/48
The Burst Stop command is a mandatory feature for DDR SDRAMs. The following functionality is required.
1. The BST command may only be issued on the rising edge of the input clock, CLK.
2. BST is only a valid command during Read burst.
3. BST during a Write burst is undefined and shall not be used.
4. BST applies to all burst lengths.
5. BST is an undefined command during Read with autoprecharge and shall not be used.
6. When terminating a burst Read command, the BST command must be issued L
BST
( “BST Latency”) clock cycles before the
clock edge at which the output buffers are tristated, where L
BST
equals the CAS latency for read operations.
7. When the burst terminates, the DQ and DQS pins are tristated.
The BST command is not byte controllable and applies to all bits in the DQ data word and the (all) DQS pin(s).
DM masking
The DDR SDRAM has a data mask function that can be used in conjunction with data write cycle. Not read cycle. When the
data mask is activated (DM high) during write operation, DDR SDRAM does not accept the corresponding data. (DM to data-mask
latency is zero) DM must be issued at the rising or falling edge of data strobe.
<Burst Length = 8>
0
1
2
3
C L K
C L K
4
5
6
7
8
CO MM AN D
t
D Q S S
DQS
DQ 's
D M
W RITE
NOP
NOP
NOP
NOP
NOP
NOP
NOP
Din 0
NOP
Din 1
Din 2
Din 3
Din 4
Din 6
Din 7
Din 5
masked by DM = H
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M13S128324A-6BIG 制造商:ESMT 制造商全稱:Elite Semiconductor Memory Technology Inc. 功能描述:1M x 32 Bit x 4 Banks Double Data Rate SDRAM
M13S128324A-6LG 制造商:ESMT 制造商全稱:Elite Semiconductor Memory Technology Inc. 功能描述:1M x 32 Bit x 4 Banks Double Data Rate SDRAM
M13S128324A-6LIG 制造商:ESMT 制造商全稱:Elite Semiconductor Memory Technology Inc. 功能描述:1M x 32 Bit x 4 Banks Double Data Rate SDRAM
M13S2561616A 制造商:ESMT 制造商全稱:Elite Semiconductor Memory Technology Inc. 功能描述:4M x 16 Bit x 4 Banks Double Data Rate SDRAM
M13S2561616A_09 制造商:ESMT 制造商全稱:Elite Semiconductor Memory Technology Inc. 功能描述:4M x 16 Bit x 4 Banks Double Data Rate SDRAM
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