ø
RAS5 to RAS2
UCAS, LCAS
OE
ø
RAS5 to RAS2
UCAS, LCAS
OE
Figure 7.19 CAS-Before-RAS Refresh Timing (with Wait Cycle Insertion)
TRp
Figure 7.18 CAS-Before-RAS Refresh Timing
TRp
TRrw
t
CSR2
t
CASD1
TRr
TRc1
t
CSD2
t
CSR1
t
CASD1
TRr
TRc1
t
CSD2
TRc2
t
CSD1
t
CASD1
TRcw
TRc2
t
CSD1
t
CASD1
403