W632GU8KB Datasheet, PDF (135/160 Pages) Winbond – 32M X 8 BANKS X 8 BIT DDR3L SDRAM

W632GU8KB
10.15.3 DDR3L-1866 Speed Bin and Operating Conditions
Speed Bin
DDR3L-1866
CL-nRCD-nRP
Part Number Extension
Parameter
Maximum operating frequency using maximum
allowed settings for Sup_CL and Sup_CWL
Symbol
fCKMAX
13-13-13
-11
Min.
Max.

933
Internal read command to first data
ACT to internal read or write delay time
PRE command period
ACT to ACT or REF command period
ACT to PRE command period
CL = 6
CWL = 5
CWL = 6, 7, 8, 9
CWL = 5
CL = 8
CWL = 6
CWL = 7, 8, 9
CWL = 5, 6
CL =10
CWL = 7
CWL = 8, 9
CL =13
CWL = 5, 6, 7, 8
CWL = 9
Supported CL Settings
Supported CWL Settings
tAA
tRCD
tRP
tRC
tRAS
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
Sup_CL
Sup_CWL
13.91
20
13.91

13.91

47.91

34
9 * tREFI
2.5
3.3
Reserved
Reserved
1.875
< 2.5
Reserved
Reserved
1.5
< 1.875
Reserved
Reserved
1.07
< 1.25
6, 8, 10, 13
5, 6, 7, 9
UNIT NOTES
MHz
nS
nS
nS
nS
nS
nS 1, 2, 3, 4, 8
nS
5
nS
5
nS 1, 2, 3, 4, 8
nS
5
nS
5
nS 1, 2, 3, 4, 8
nS
5
nS
5
nS 1, 2, 3, 4, 8
nCK
nCK
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Publication Release Date: Jan. 20, 2015
Revision: A05