SPC8104 S-MOS Systems, SPC8104 Datasheet - Page 56

• Manufacturer Part Number: SPC8104
• Description: VGA LCD CONTROLLER
• Manufacturer: S-MOS Systems

7.4
Hardware Functional Specification
Symbol
SP1-30
t10
t11
t1
t2
t3
t4
t5
t6
t7
t8
t9
DRAM Read Cycle Timing - Non-Page Mode
DRAM outputs
SPC8104 outputs
MA[9:0] row address setup to RAS# asserted
MA[9:0] row address hold from RAS# asserted
RAS# precharge
RAS# low pulse width
RAS# asserted to LCAS#, UCAS# asserted
MA[9:0] column address setup to LCAS#, UCAS# asserted
MA[9:0] column address hold from LCAS#, UCAS#
asserted
LCAS#, UCAS# asserted to RAS# negated
LCAS#, UCAS# low pulse width
MD[15:0] read data setup to LCAS#, UCAS# negated
MD[15:0] read data hold from LCAS#, UCAS# negated
S-MOS Systems, Inc. • Tel: [phone] • Fax: [phone] • http://www.smos.com
MD[15:0]
MA[9:0]
RAS#
LCAS#
UCAS#
Figure 7 : DRAM Read Cycle Timing - Non-Page
Table 0-22 DRAM Read Cycle Timing - Non-Page Mode
Parameter
t3
t1
row
X15-SP-001-08.1
t2
t5
t6
t4
column
ModeSource: a000073.cdr
t8
t9
2.5Ts-10
0.5Ts-5
1.5Ts-5
2Ts-12
t7
Ts-22
Ts-12
Ts-10
Ts-10
Ts-10
Min
10
t10
0
valid
t11
Typ
2.5Ts+12
Max
412-1.0
Units
SPC8104
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns