MB86294 Datasheet, PDF (292/305 Pages) Fujitsu Component Limited. – Grraphiics Controller specifications

FUJITSU LIMITED
PRELIMINARY and CONFIDENTIAL
(3) External SDRAM capacitance case 3
External SDRAM capacitance
SDRAM x2
Total capacitance
MCLKO
12.4pF (DRAM CLK 2.5pF x2, Board pattern 5pF)
MA,MRAS,MCAS,MWE 10.0pF (DRAM A.DQM 2.5pF x2, 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
4.1
ns
MA, MRAS, MCAS, MWE
Access time
tMAD
1.0
5.0
ns
MDQM Access time
tMDQMD
1.1
5.2
ns
MD Output access time
tMDOD
1.1
5.2
ns
(4) External SDRAM capacitance case 4
External SDRAM capacitance
SDRAM x2
Total capacitance
MCLKO
29.4pF (DRAM CLK 4.0pF x2, Board pattern 15pF)
MA,MRAS,MCAS,MWE 25.0pF (DRAM A.DQM 5pF x2, 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
0
3.4
ns
MA, MRAS, MCAS, MWE
Access time
tMAD
1.1
5.4
ns
MDQM Access time
tMDQMD
1.1
5.5
ns
MD Output access time
tMDOD
1.1
5.5
ns
MB86294/294S CORAL_LB
Graphics Controller
292
Specifications Rev. 1.0