ASRock X99 Extreme6/ac User Manual - Page 86
RAS to RAS Delay tRRD_L
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Row Precharge Time (tRP) he number of clock cycles required between the issuing of the precharge command and opening the next row. RAS# Active Time (tRAS) he number of clock cycles required between a bank active command and issuing the precharge command. Command Rate (CR) he delay between when a memory chip is selected and when the irst active command can be issued. Secondary Timing Write Recovery Time (tWR) he amount of delay that must elapse ater the completion of a valid write operation, before an active bank can be precharged. Refresh Cycle Time (tRFC) he number of clocks from a Refresh command until the irst Activate command to the same rank. RAS to RAS Delay (tRRD) he number of clocks between two rows activated in diferent banks of the same rank. RAS to RAS Delay (tRRD_L) he number of clocks between two rows activated in diferent banks of the same rank. Write to Read Delay (tWTR) he number of clocks between the last valid write operation and the next read command to the same internal bank. Write to Read Delay (tWTR_L) he number of clocks between the last valid write operation and the next read command to the same internal bank. Read to Precharge (tRTP) he number of clocks that are inserted between a read command to a row precharge command to the same rank. 80 English