SM5859AF Datasheet, PDF (9/33 Pages) Nippon Precision Circuits Inc – compression and non compression type antishock memory controller

SM5859AF
DRAM access timing (with single DRAM)
NRAS
NCAS
A0 to A9
D0 to D3
(WRITE)
D0 to D3
(READ)
NOE
(WRITE)
NOE
(READ)
NWE
(WRITE)
NWE
(READ)
t RASL
5t CY
t RASH
3t CY
t RCD
2t CY
t CASL
3t CY
t CASH
5t CY
t RADS
1t CY
t RADH
1t CY
t CADS
1t CY
t CADH
5t CY
t CWDS
3t CY
t CWDH
3t CY
t CRDS
t CRDH
t WCS
3t CY
t OEL
6t CY
t WEL
6t CY
NIPPON PRECISION CIRCUITS-9