MB86293 Datasheet, PDF (272/285 Pages) Fujitsu Component Limited. – Grraphiics Conttrrollllerr Speciiffiicattiions

FUJITSU LIMITED
PRELIMINARY and CONFIDENTIAL
12.5.3 Graphics memory interface
Condition: Clock frequency=133MHz, 100MHz, BCLK. Printed-wiring is isometry.
An assumed external capacitance
Parameter
Board pattern
SDRAM (CLK)
SDRAM (D)
SDRAM (A, DQM)
An assumed external capacitance
Min
Typ
Max
5.0
15.0
2.5
4.0
4.0
6.5
2.5
5.0
Unit
pF
pF
pF
pF
Clock
Parameter
Rating
Symbol Condition
Unit
Min.
Typ. Max.
MCLKO Frequency
MCLKO H-width
MCLKO L-width
MCLKI Frequency
MCLKI H-width
MCLKI L-width
fMCLKO
tHMCLKO
tLMCLKO
fMCLKI
tHMCLKI
tLMCLKI
*1
MHz
1.0
ns
1.0
ns
*1
MHz
1.0
ns
1.0
ns
*1 For the bus-asynchronous mode, the frequency is 1/3 of the oscillation frequency of the internal
PLL. For the bus-synchronous mode, the frequency is the same as the frequency of BCLKI.
Input signals
Parameter
MD Input data setup time
MD Input data hold time
*2 It means against MCLKI.
Rating
Symbol Condition
Unit
Min.
Typ. Max.
tMDIDS
*2
2.0
ns
tMDIDH
*2
0.7
ns
MB86293 CORAL_LQ
Graphics Controller
272
Specifications Rev. 1.1