Hitachi SH7032 - Page 524

489
CK
RAS
CAS
WRH, WRL,
WR
T
Rp
T
Rr
T
Rc
t
RASD1
t
RASD2
t
CASD3
t
CASD2
t
CSR
Figure 20.16 CAS-before-RAS Refresh (Short-Pitch)
CK
RAS
CAS
WRH,
WRL,
WR 

T
Rp
T
Rc
T
Rc
t
RASD1
t
RASD2
t
CASD3
t
CASD2
T
Rr
t
CSR
Figure 20.17 CAS-before-RAS Refresh (Long-Pitch)