Datasheet

Table 55: Electrical Characteristics and AC Operating Conditions (Continued)
Notes 1–8 apply to the entire table
Parameter Symbol
DDR3L-800 DDR3L-1066 DDR3L-1333 DDR3L-1600
Unit NotesMin Max Min Max Min Max Min Max
Exit self refresh to commands requiring a locked DLL
t
XSDLL MIN =
t
DLLK (MIN); MAX = N/A CK 28
Minimum CKE low pulse width for self re- fresh entry to self refresh exit timing
t
CKESR MIN =
t
CKE (MIN) + CK; MAX = N/A CK
Valid clocks after self refresh entry or power- down entry
t
CKSRE MIN = greater of 5CK or 10ns; MAX = N/A CK
Valid clocks before self refresh exit, power-down exit, or reset exit
t
CKSRX MIN = greater of 5CK or 10ns; MAX = N/A CK
Power-Down Timing
CKE MIN pulse width
t
CKE (MIN) Greater of 3CK
or 7.5ns
Greater of 3CK
or 5.625ns
Greater of 3CK
or 5.625ns
Greater of 3CK
or 5ns
CK
Command pass disable delay
t
CPDED MIN = 1; MAX = N/A CK
Power-down entry to power-down exit tim- ing
t
PD MIN =
t
CKE (MIN); MAX = 9 * tREFI CK
Begin power-down period prior to CKE registered HIGH
t
ANPD WL - 1CK CK
Power-down entry period: ODT either synchronous or asynchronous
PDE Greater of
t
ANPD or
t
RFC - REFRESH command to CKE LOW time CK
Power-down exit period: ODT either synchronous or asynchronous
PDX
t
ANPD +
t
XPDLL CK
Power-Down Entry Minimum Timing
ACTIVATE command to power-down entry
t
ACTPDEN MIN = 1 CK
PRECHARGE/PRECHARGE ALL command to power-down entry
t
PRPDEN MIN = 1 CK
REFRESH command to power-down entry
t
REFPDEN MIN = 1 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
8Gb: x4, x8, x16 DDR3L SDRAM
Electrical Characteristics and AC Operating Conditions
77
Rev 2.0 June 2016
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