Datasheet

Table 56: Electrical Characteristics and AC Operating Conditions for Speed Extensions (Continued)
Notes 1–8 apply to the entire table
Parameter Symbol
DDR3L-1866 DDR3L-2133
Unit NotesMin Max Min Max
ACTIVATE command to power-down entry
t
ACTPDEN MIN = 2 CK
PRECHARGE/PRECHARGE ALL command to power-down entry
t
PRPDEN MIN = 2 CK
REFRESH command to power-down entry
t
REFPDEN MIN = 2 CK 37
MRS command to power-down entry
t
MRSPDEN MIN =
t
MOD (MIN) CK
READ/READ with auto precharge command to power-down entry
t
RDPDEN MIN = RL + 4 + 1 CK
WRITE command to power-down entry
BL8 (OTF, MRS) BC4OTF
t
WRPDEN MIN = WL + 4 +
t
WR/
t
CK (AVG)
CK
BC4MRS
t
WRPDEN MIN = WL + 2 +
t
WR/
t
CK (AVG)
CK
WRITE with auto pre- charge command to power-down entry
BL8 (OTF, MRS) BC4OTF
t
WRAP-
DEN
MIN = WL + 4 + WR + 1 CK
BC4MRS
t
WRAP-
DEN
MIN = WL + 2 + WR + 1 CK
Power-Down Exit Timing
DLL on, any valid command, or DLL off to commands not requiring locked DLL
t
XP MIN = greater of 3CK or 6ns;
MAX = N/A
CK
Precharge power-down with DLL off to commands requiring a locked DLL
t
XPDLL MIN = greater of 10CK or 24ns; MAX = N/A CK 28
ODT Timing
R
TT
synchronous turn-on delay ODTL on CWL + AL - 2CK CK 38
R
TT
synchronous turn-off delay ODTL off CWL + AL - 2CK CK 40
R
TT
turn-on from ODTL on reference
t
AON –195 195 –180 180 ps 23, 38
R
TT
turn-off from ODTL off reference
t
AOF 0.3 0.7 0.3 0.7 CK 39, 40
Asynchronous R
TT
turn-on delay
(power-down with DLL off)
t
AONPD MIN = 2; MAX = 8.5 ns 38
Asynchronous R
TT
turn-off delay
(power-down with DLL off)
t
AOFPD MIN = 2; MAX = 8.5 ns 40
ODT HIGH time with WRITE command and BL8
ODTH8 MIN = 6; MAX = N/A CK
8Gb: x4, x8, x16 DDR3L SDRAM
Electrical Characteristics and AC Operating Conditions
88
Rev 2.0 June 2016
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