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Why does Striatix 10 -3 speed 's Fmax of ROM restricted on 420Mhz, But it is not described in Timequest report?

LChen23
Beginner
429 Views

Hi, expert

As Table 65. Memory Block Performance Specifications for Intel Stratix 10 Devices​ in Stratix 10 datasheet, the 'True dual port, all supported widths ' -E3V, performance is 420Mhz. But after timing analyzing in timequest , The report the Fmax summery is higher than 420Mhz , even could reach above 500Mhz .

so , my question is , which one should I trust, the 420Mhz in datasheet or 500Mhz+ in timequest report?

Thanks.

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4 Replies
KhaiChein_Y_Intel
295 Views

Hi,

 

Can you provide the report?

 

Thanks.

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KhaiChein_Y_Intel
295 Views

Hi,

 

May I know if you have any udpates?

 

Thanks.

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LChen23
Beginner
295 Views

I find the reason, it seems the 900mV timming model report Fmax strict to 420Mhz. and VCCRAM is 900mV.

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KhaiChein_Y_Intel
295 Views

Hi,

 

Do you have any questions?

 

Thanks.

 

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