EP7311-CB-C CIRRUS [Cirrus Logic], EP7311-CB-C Datasheet - Page 13
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EP7311-CB-C
Manufacturer Part Number
EP7311-CB-C
Description
HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
Manufacturer
CIRRUS [Cirrus Logic]
Datasheet
1.EP7311-CB-C.pdf
(54 pages)
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- Download datasheet (2Mb)
SDRAM Interface
Figure 3
values for the timings of each of the SDRAM modes.
DS506PP1
SDCLK rising edge to SDCS assert delay time
SDCLK rising edge to SDCS deassert delay time
SDCLK rising edge to SDRAS assert delay time
SDCLK rising edge to SDRAS deassert delay time
SDCLK rising edge to SDRAS invalid delay time
SDCLK rising edge to SDCAS assert delay time
SDCLK rising edge to SDCAS deassert delay time
SDCLK rising edge to ADDR transition time
SDCLK rising edge to ADDR invalid delay time
SDCLK rising edge to SDMWE assert delay time
SDCLK rising edge to SDMWE deassert delay time
DATA transition to SDCLK rising edge time
SDCLK rising edge to DATA transition hold time
SDCLK rising edge to DATA transition delay time
through
Figure 6
define the timings associated with all phases of the SDRAM. The following table contains the
Parameter
©
C opyright Cirrus Logic, Inc. 2003
(All Rights Reserved)
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
RAnv
MWd
MWa
CSa
CSd
RAa
RAd
CAa
CAd
ADv
ADx
DAs
DAh
DAd
High-Performance, Low-Power System on Chip
Min
− 3
− 3
− 2
− 5
− 3
− 2
− 2
− 4
0
1
2
0
-
-
Typ
2
2
3
1
4
2
0
1
2
1
0
-
-
-
Max
10
10
15
4
7
7
5
3
5
5
5
4
2
1
EP7311
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
13
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