sm5907af Seiko NPC Corp., sm5907af Datasheet - Page 27

• Manufacturer Part Number: sm5907af
• Description: Compression And Non Compression Type Shock-proof Memory Controller
• Manufacturer: Seiko NPC Corp.

DRAM write timing (NRAS, NCAS, NCAS2, NCAS3, NWE, A0 to A10, D0 to D3)
Write timing (with single DRAM)
Write timing (with double DRAMs)
(DRAM1 SELECT)
(DRAM2 SELECT)
NCAS2, NCAS3
NCAS1
A0 to A10
A0 to A10
D0 to D3
(WRITE)
D0 to D3
(WRITE)
NWE
NCAS
NRAS
NRAS
NWE
t
t
RADS
RADS
t
t
t
t
RADH
CWDS
CWDS
RADH
t
t
t
RDC
RDC
RDC
t
t
CADS
CADS
t
t
WEL
WEL
SM5907AF
t
t
RASL
RASL
t
t
t
t
t
CWDH
CWDH
CASL
CASL
CASL
t
t
CADH
CADH
NIPPON PRECISION CIRCUITS-27
t
t
RASH
RASH
t
t
t
CASH
CASH
CASH