SM5859AF Nippon Precision Circuits Inc, SM5859AF Datasheet - Page 30

• Manufacturer Part Number: SM5859AF
• Description: compression and non compression type antishock memory controller
• Manufacturer: Nippon Precision Circuits Inc

DRAM write timing (NRAS, NCAS, NOE, NWE, A0 to A9, D0 to D3)
Write timing (with single DRAM)
Write timing (with 2 DRAMs)
(DRAM1 SELECT)
(DRAM2 SELECT)
(DRAM1 SELECT)
(DRAM2 SELECT)
NCAS2
NCAS2
NCAS
NCAS
D0 to D3
(WRITE)
(WRITE)
A0 to A9
D0 to D3
(WRITE)
(WRITE)
(WRITE)
A0 to A9
NWE
NWE
NOE
NRAS
NCAS
NRAS
t
t
RADS
RADS
t
t
t
t
RADH
CWDS
RADH
CWDS
t
t
t
RCD
RCD
RCD
t
t
CADS
CADS
t
t
SM5859AF
WEL
WEL
t
t
RASL
RASL
t
t
t
t
t
CWDH
CWDH
CASL
CASL
CASL
t
t
CADH
CADH
NIPPON PRECISION CIRCUITS-30
t
t
RASH
RASH
t
t
t
CASH
CASH
CASH