Datasheet, Ddr3l sdram, Unbuffered dimm – Samsung M391B5773DH0 User Manual

Page 16

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datasheet

DDR3L SDRAM

Rev. 1.0

Unbuffered DIMM

[ Table 4 ] Allowed time before ringback (tDVAC) for CK - CK and DQS - DQS (1.35V)

[ Table 5 ] Allowed time before ringback (tDVAC) for CK - CK and DQS - DQS (1.5V)

Slew Rate [V/ns]

tDVAC [ps] @ |V

IH/Ldiff

(AC)| = 320mV

tDVAC [ps] @ |V

IH/Ldiff

(AC)| = 270mV

min

max

min

max

> 4.0

TBD

-

TBD

-

4.0

TBD

-

TBD

-

3.0

TBD

-

TBD

-

2.0

TBD

-

TBD

-

1.8

TBD

-

TBD

-

1.6

TBD

-

TBD

-

1.4

TBD

-

TBD

-

1.2

TBD

-

TBD

-

1.0

TBD

-

TBD

-

< 1.0

TBD

-

TBD

-

Slew Rate [V/ns]

tDVAC [ps] @ |V

IH/Ldiff

(AC)| = 350mV

tDVAC [ps] @ |V

IH/Ldiff

(AC)| = 300mV

min

max

min

max

> 4.0

75

-

175

-

4.0

57

-

170

-

3.0

50

-

167

-

2.0

38

-

163

-

1.8

34

-

162

-

1.6

29

-

161

-

1.4

22

-

159

-

1.2

13

-

155

-

1.0

0

-

150

-

< 1.0

0

-

150

-

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