mpc8349ea Freescale Semiconductor, Inc, mpc8349ea Datasheet - Page 18
mpc8349ea
Manufacturer Part Number
mpc8349ea
Description
Mpc8349ea Powerquicc
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MPC8349EA.pdf
(88 pages)
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DDR and DDR2 SDRAM
6.2.2
Table 19
18
At recommended operating conditions with GV
ADDR/CMD/MODT output setup with respect to MCK
400 MHz
333 MHz
266 MHz
200 MHz
ADDR/CMD/MODT output hold with respect to MCK
400 MHz
333 MHz
266 MHz
200 MHz
MCS(n) output setup with respect to MCK
400 MHz
333 MHz
266 MHz
200 MHz
MCS(n) output hold with respect to MCK
400 MHz
333 MHz
266 MHz
200 MHz
MCK to MDQS Skew
MDQ/MECC/MDM output setup with respect to
MDQS
400 MHz
333 MHz
266 MHz
200 MHz
MDQ/MECC/MDM output hold with respect to MDQS
400 MHz
333 MHz
266 MHz
200 MHz
MDQS preamble start
shows the DDR and DDR2 output AC timing specifications.
MPC8349EA PowerQUICC™ II Pro Integrated Host Processor Hardware Specifications, Rev. 10
DDR and DDR2 SDRAM Output AC Timing Specifications
Parameter
Table 19. DDR and DDR2 SDRAM Output AC Timing Specifications
DD
of (1.8 or 2.5 V) ± 5%.
Symbol
t
t
t
t
t
t
t
t
t
t
DDKHMH
DDKHDS,
DDKHDX,
DDKHMP
DDKHCS
DDKHCX
DDKHAS
DDKHAX
DDKLDS
DDKLDX
1
–0.5 × t
1100
1200
1100
1200
1.95
2.40
3.15
4.20
1.95
2.40
3.15
4.20
1.95
2.40
3.15
4.20
1.95
2.40
3.15
4.20
–0.6
Min
700
775
700
900
MCK
– 0.6
–0.5 × t
Max
0.6
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
MCK
Freescale Semiconductor
+ 0.6
Unit
ns
ns
ns
ns
ns
ps
ps
ns
Notes
3
3
3
3
4
5
5
6
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