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2 supplemental timing information, 1 twr wr (write recovery for auto-precharge) – Teledyne LeCroy Kibra DDR User Manual

Page 170

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Teledyne LeCroy

Supplemental Timing Information

168

  

Kibra DDR Protocol Analyzer User Manual

5.1.47

V48 - tXS-FAST SRX to a Valid Command with DLL - DDR4

Defined as the interval between Self Refresh Exit command and the next Valid command 
that needs DLL.  tXS‐FAST is defined as tXS_FAST = tRFC4(min) + 10ns 

5.2

Supplemental Timing Information

5.2.1

tWR WR (write recovery for auto-precharge)

tWR specifies the minimum interval between the last burst write cycle and the point 
where the precharge command can be issued to the same bank. 

Speed 
Grade

800

1066

1333

1600

1866

Min (ns)

15

15

15

15

15