Datasheet

Figure 114: ODT During READs
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15
T17
T16
CK
CK#
ValidAddress
DI
b + 3
DI
b + 2
DI
b + 1
DI
b
DI
b + 7
DI
b + 6
DI
b + 5
DI
b + 4
DQ
DQS, DQS#
Don’t CareTransitioning
Command NOP NOP NOP NOP NOP NOP NOPNOP NOP NOP NOP NOP NOP NOP NOP NOPNOPREAD
ODTLon = CWL + AL - 2
ODT
t
AON (MAX)
RL = AL + CL
ODTLoff = CWL + AL - 2
t
AOF (MIN)
R
TT
R
TT,nom
R
TT,nom
t
AOF (MAX)
Note:
1. ODT must be disabled externally during READs by driving ODT LOW. For example, CL = 6; AL = CL - 1 = 5; RL = AL
+ CL = 11; CWL = 5; ODTLon = CWL + AL - 2 = 8; ODTLoff = CWL + AL - 2 = 8. R
TT,nom
is enabled. R
TT(WR)
is a “Don’t
Care.”
8Gb: x4, x8, x16 DDR3L SDRAM
Synchronous ODT Mode
199
Rev.2.0 June 2016
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