Hynix HMT351S6CFR8C-PB Datasheet download pdf (Page 32)

Rev. 1.0/Sep. 2012 32

DDR3-1600 Speed Bins

For specific Notes See "Speed Bin Table Notes" on page 33.

Speed Bin DDR3-1600K

Unit Note

CL - nRCD - nRP 11-11-11

Parameter Symbol min max

Internal read

command to first data

13.75

(13.125)

5,9

20 ns

ACT to internal read or

write delay time

RCD

13.75

(13.125)

5,9

—ns

PRE command period

13.75

(13.125)

5,9

—ns

ACT to ACT or REF

command period

48.75

(48.125)

5,9

—ns

ACT to PRE command

period

RAS

35 9 * tREFI ns

CL = 5

CWL = 5

CK(AVG)

3.0 3.3 ns

1, 2, 3, 4,

8, 10

CWL = 6, 7

CK(AVG)

Reserved ns 4

CL = 6

CWL = 5

CK(AVG)

2.5 3.3 ns 1, 2, 3, 8

CWL = 6

CK(AVG)

Reserved ns 1, 2, 3, 4, 8

CWL = 7

CK(AVG)

Reserved ns 4

CL = 7

CWL = 5

CK(AVG)

Reserved ns 4

CWL = 6

CK(AVG)

1.875 < 2.5

ns 1, 2, 3, 4, 8

(Optional)

5,9

CWL = 7

CK(AVG)

Reserved ns 1, 2, 3, 4, 8

CWL = 8

CK(AVG)

Reserved

ns 4

CL = 8

CWL = 5

CK(AVG)

Reserved ns 4

CWL = 6

CK(AVG)

1.875 < 2.5 ns 1, 2, 3, 8

CWL = 7

CK(AVG)

Reserved ns 1, 2, 3, 4, 8

CWL = 8

CK(AVG)

Reserved

ns 1, 2, 3, 4

CL = 9

CWL = 5, 6

CK(AVG)

Reserved ns 4

CWL = 7

CK(AVG)

1.5 <1.875

ns 1, 2, 3, 4, 8

(Optional)

5,9

CWL = 8

CK(AVG)

Reserved

ns 1, 2, 3, 4

CL = 10

CWL = 5, 6

CK(AVG)

Reserved ns 4

CWL = 7

CK(AVG)

1.5 <1.875 ns 1, 2, 3, 8

CWL = 8

CK(AVG)

Reserved

ns 1, 2, 3, 4

CL = 11

CWL = 5, 6,7

CK(AVG)

Reserved ns 4

CWL = 8

CK(AVG)

1.25 <1.5 ns 1, 2, 3

Supported CL Settings 5, 6, (7), 8, (9), 10, 11

Supported CWL Settings 5, 6, 7, 8

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 47 48

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Hynix HMT351S6CFR8C-PB Datasheet Page 32

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