Datasheet

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AS
=
Rtt
A1
A2
A3
AT
Vtt
AS+
AS-
=
Rcp
Rcp
Cac
VDDS_DDR
0.1 µF
A1
A2
A3
AT
A2
A3
AT
A1
AM3359, AM3358, AM3357
AM3356, AM3354, AM3352
SPRS717E –OCTOBER 2011–REVISED JANUARY 2013 www.ti.com
To save PCB space, the two DDR3 memories may be mounted as a mirrored pair at a cost of increased
routing and assembly complexity. Figure 5-55 and Figure 5-56 show the routing for CK and ADDR_CTRL,
respectively, for two DDR3 devices mirrored in a single-pair configuration.
Figure 5-55. CK Routing for Two Mirrored DDR3 Devices
Figure 5-56. ADDR_CTRL Routing for Two Mirrored DDR3 Devices
178 Peripheral Information and Timings Copyright © 2011–2013, Texas Instruments Incorporated
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