Low Power Self-Refresh Mode Option
/RE
0,2,3
tRP2
A
0-10
tMSU
tMH
/CAL
tMSU
tMH
/F, W/R,
/WE, /S
Don’t Care or Indeterminate
NOTES: 1. EDRAM self refreshes as long as /RE remains low. (Low Power Self-Refresh parts only).
2. When using the Low Power Self Refresh mode the following operations must be performed:
If row addresses are being refreshed in an evenly distributed manner over the refresh interval using /F refresh cycles, then at
least one /F refresh cycle must be performed immediately after exit from the Low Power Self Refresh Mode. If row addresses
are being refreshed in any other manner (/F burst or /RE distributed or burst), then all rows must be refresh immediately before
entry to and immediately after exit from the Low Power Self Refresh.
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RAMTRON [ RAMTRON INTERNATIONAL CORPORATION ]
