Monday, August 16, 2010

Timing abbreviations

tCL – CAS latency
tCR – Command rate
tPTP – precharge to precharge delay
tRAS – RAS active time
tRCD – RAS to CAS delay
tREF – Refresh period
tRFC – Row refresh cycle time
tRP – RAS precharge
tRRD – RAS to RAS delay
tRTP – Read to precharge delay
tRTR – Read to read delay
tRTW – Read to write delay
tWR – Write recovery time
tWTP – Write to precharge delay
tWTR – Write to read delay
tWTW – Write to write delay

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