MB86293 Datasheet, PDF (275/285 Pages) Fujitsu Component Limited. – Grraphiics Conttrrollllerr Speciiffiicattiions

FUJITSU LIMITED
PRELIMINARY and CONFIDENTIAL
(5) External SDRAM capacitance case 5
External SDRAM capacitance
SDRAM x4
Total capacitance
MCLKO
17.4pF (DRAM CLK 2.5pF x4, Board pattern 5pF)
MA,MRAS,MCAS,MWE 15.0pF (DRAM A.DQM 2.5pF x4, Board pattern 5pF)
MD,DQM
9.0pF (DRAM D 4pF, Board pattern 5pF)
Unit
pF
pF
pF
Output signals
Parameter
Rating *1
Symbol Condition
Unit
Min.
Typ.
Max.
MCLKI signal delay time against
MCLKO
tDID
0
3.9
ns
MA, MRAS, MCAS, MWE
Access time
tMAD
1.0
5.2
ns
MDQM Access time
tMDQMD
1.0
5.0
ns
MD Output access time
tMDOD
1.0
5.0
ns
(6) External SDRAM capacitance case 6
External SDRAM capacitance
SDRAM x4
Total capacitance
MCLKO
37.3pF (DRAM CLK 4.0pF x4, Board pattern 15pF)
MA,MRAS,MCAS,MWE 35.0pF (DRAM A.DQM 5pF x4, Board pattern 15pF)
MD,DQM
21.5pF (DRAM D 6.5pF, Board pattern 15pF)
Unit
pF
pF
pF
Output signals
Parameter
Rating *1
Symbol Condition
Unit
Min.
Typ.
Max.
MCLKI signal delay time against
MCLKO
tDID
MA, MRAS, MCAS, MWE
Access time
tMAD
0
3.4
ns
1.2
5.7
ns
MDQM Access time
tMDQMD
1.0
5.3
ns
MD Output access time
tMDOD
1.0
5.3
ns
MB86293 CORAL_LQ
Graphics Controller
275
Specifications Rev. 1.1