Sdram Timing - Cirrus Logic Crystal CS98000 Series Manual

Symbol
tmsur Input to Clock Setup
tmhr Input to Clock Hold
tmco Clock to Out
tcch Clk High Time
tccl Clk Low Time
tmper Clk Period
tmhw Output Hold Time
tmdow Clk to Data Bus Valid
tmsuw Data Valid to Clk
6
t
mco
CLOCK
MRAS,MCAS
MWE,AP,DQM0-3
MCKE,MA-011
DQ0-DQ31(WRITE)
DQ0-DQ31(READ)
Figure 5. SDRAM Timing
Description
t t t
mper cch ccl
t
mhw
t
mdow
t
msur
t
t
mhr
msuw
Min
3
0
4.5
4.5
10
3
3
CS98000
Typ Max Unit
ns
ns
9 ns
ns
ns
12.2 ns
ns
5 ns
ns
DS525PP1