Consult with CY7C2263KV18

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Robin_Peng
Level 5
Level 5
Distributor - Macnica(GC)
100 replies posted 50 replies posted 50 questions asked

咨询下CY7C2263/2265可以通过两片并联拓展位宽嘛?并联之后读写速率是否会有影响?还能发挥出最大的速率嘛?谢谢!

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Roy_Liu
Moderator
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5 comments on KBA First comment on KBA 10 questions asked

是的,CY7C2663/2665也可以。

Roy Liu

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Roy_Liu
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5 comments on KBA First comment on KBA 10 questions asked

可以的,数据手册 https://www.cypress.com/file/45696/download 也提供一个拓展位宽应用的示意图如下:

pastedImage_3.png

性能上和用单片没什么区别,但是一些设计细节要多注意,例如信号阻抗匹配等。做设计的时候参考一下有关应用笔记。例如:

https://www.cypress.com/documentation/datasheets/cy7c2263xv18-cy7c2265xv18-36-mbit-qdr-ii-xtreme-sra...

pastedImage_4.png

Roy Liu
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Robin_Peng
Level 5
Level 5
Distributor - Macnica(GC)
100 replies posted 50 replies posted 50 questions asked

好的,感谢,顺便问下CY7C4142KV13-933FCXI是否也可以并联拓宽位宽使用?另外QDR SRAM有144Mbit以上容量的推荐下嘛?

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Roy_Liu
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Moderator
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5 comments on KBA First comment on KBA 10 questions asked
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Robin_Peng
Level 5
Level 5
Distributor - Macnica(GC)
100 replies posted 50 replies posted 50 questions asked

另外麻烦问下CY7C2663/2665看手册也是可以并联使用的把?微信图片_20200604163359.png

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Roy_Liu
Moderator
Moderator
Moderator
5 comments on KBA First comment on KBA 10 questions asked

是的,CY7C2663/2665也可以。

Roy Liu
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