E
28F016XD FLASH MEMORY
Refresh Cycle
Versions
Sym
Parameter
tCSR
tCHR
tWRP
tWRH
tRPC
tRASS
tRPS
tCPN
tCHS
CAS# set-up time (CAS#-before-RAS# refresh)
CAS# hold time (CAS#-before-RAS# refresh)
WE# setup time (CAS#-before-RAS# refresh)
WE# hold time (CAS#-before-RAS# refresh)
RAS# precharge to CAS# hold time
RAS# pulse width (self-refresh mode)
RAS# precharge time (self-refresh mode)
CAS# precharge time (self-refresh mode)
CAS# hold time (self-refresh mode)
Refresh
Sym
tREF
Refresh period
Versions
Parameter
Misc. Specifications
Versions
Parameter
RP# high to RAS# going low
RP# set-up to WE# going low
VPP set-up to CAS# high at end of write cycle
WE# high to RY/BY# going low
RP# hold from valid status register data and RY/BY# high
VPP hold from valid status register data and RY/BY# high
Notes
10
10
10
10
10
10
10
10
10
Notes
10
Notes
10
10
10
10
10
10
28F016XD-95
Min
Max
10
10
10
10
10
0
10
10
0
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
28F016XD-95
Min
Max
∞
Units
ms
28F016XD-95
Min
Max
480
480
100
100
0
0
Units
ns
ns
ns
ns
ns
ns
31