Datasheet

Electrical Characteristics and AC Operating Conditions
Table 56: Electrical Characteristics and AC Operating Conditions for Speed Extensions
Notes 1–8 apply to the entire table
Parameter Symbol
DDR3L-1866 DDR3L-2133
Unit NotesMin Max Min Max
Clock Timing
Clock period average: DLL disable mode
T
C
= 0°C to 85°C
t
CK
(DLL_DIS)
8 7800 8 7800 ns 9, 42
T
C
= >85°C to 95°C 8 3900 8 3900 ns 42
Clock period average: DLL enable mode
t
CK (AVG) See Speed Bin Tables for
t
CK range allowed ns 10, 11
High pulse width average
t
CH (AVG) 0.47 0.53 0.47 0.53 CK 12
Low pulse width average
t
CL (AVG) 0.47 0.53 0.47 0.53 CK 12
Clock period jitter DLL locked
t
JITper –60 60 –50 50 ps 13
DLL locking
t
JITper,lck –50 50 –40 40 ps 13
Clock absolute period
t
CK (ABS) MIN =
t
CK (AVG) MIN +
t
JITper MIN; MAX =
t
CK (AVG) MAX +
t
JITper MAX ps
Clock absolute high pulse width
t
CH (ABS) 0.43 – 0.43 –
t
CK
(AVG)
14
Clock absolute low pulse width
t
CL (ABS) 0.43 – 0.43 –
t
CK
(AVG)
15
Cycle-to-cycle jitter DLL locked
t
JITcc 120 120 ps 16
DLL locking
t
JITcc,lck 100 100 ps 16
8Gb: x4, x8, x16 DDR3L SDRAM
Electrical Characteristics and AC Operating Conditions
83
Rev 2.0 June 2016
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