DS33R41 Maxim Integrated Products, DS33R41 Datasheet - Page 314

• Manufacturer Part Number: DS33R41
• Description: Network Controller & Processor ICs Inverse-Multiplexing Ethernet Mapper wit
• Manufacturer: Maxim Integrated Products

14.7 SDRAM Interface
Table 14-12. SDRAM Interface
(Note 1,
SDCLKO Period
SDCLKO Duty Cycle
SDCLKO to SDATA Valid
Write to SDRAM
SDCLKO to SDATA Drive On
Write to SDRAM
SDCLKO to SDATA Invalid
Write to SDRAM
SDCLKO to SDATA Drive Off
Write to SDRAM
SDATA to SDCLKO Setup Time
Read from SDRAM
SDCLKO to SDATA Hold Time
Read from SDRAM
SDCLKO to SRAS, SCAS, SWE, SDCS Active
Read or Write to SDRAM
SDCLKO TO SRAS, SCAS, SWE, SDCS
Inactive Read or Write to SDRAM
SDCLKO to SDA, SBA Valid
Read or Write to SDRAM
SDCLKO to SDA, SBA Invalid
Read or Write to SDRAM
SDCLKO to SDMASK Valid
Read or Write to SDRAM
SDCLKO TO SDMASK Invalid
Read or Write to SDRAM
Note 1:
Figure
Timing parameters in this table are guaranteed by design (GBD).
PARAMETER
14-8)
SYMBOL
314 of 335
t10
t11
t12
t13
t14
t1
t2
t3
t4
t5
t6
t7
t8
t9
MIN
9.7
4
4
3
2
2
2
2
100MHz
TYP
10
MAX
10.3
6
7
4
2
5
7
5
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns