global static wear levelling test - tdk
TRANSCRIPT
TDK "Smart Swap" Global Static Wear Levelling(CAG3B/SDG3B/SMG3B Series)P/E Cycle
(1/2)
Testing GBDriver RS3 Global Static Wear Levelling Effectiveness
RELATEDPRODUCTS
GBDRIVER RS3 (SATA SSD Controller)CAG3B Series (1.0" SATA 3Gbps CFastTM SSD, SDG3B Series (2.5" SATA 3Gbps SSD)SMG3B Series (SATA 3Gbps mSATA Flash Module)
TESTED DATE 2011/12/1 16:00 ～ 2012/1/24 11:30
TESTED BY TDK Corp, Flash Memory Applied Business, ESS BU [ K. TAKUBO ]
TESTPROCEDURE
(1) Loaded DOS in [ 16 ] Gbit Flash to occupy [ 90% ] of all memory blocks.
(2) Executed repeated data writes to the REST [ 10% ] blocks; data size:[128KByte].
(3) Logged S.M.A.R.T. data peridically.
SAMPLES
[ 5 ] Samples [ NAND:( WEEKLY CODE:
CONTROLLER: TDK GBDRIVER RS3( WEEKLY CODE: 1011W3BHH )
[ 5 ] Samples [ NAND:( WEEKLY CODE:
CONTROLLER: TDK GBDRIVER RS3( WEEKLY CODE: 1030LU602 )
[ ] Samples [ NAND:( WEEKLY CODE:
CONTROLLER: ( WEEKLY CODE: )
RESULTS PASS / FAILErased TimesMinimumMaximum%
TESTED &REPORTED：[ASIC Design Section/FW Team] Kenichi TAKUBO Rikiya KAWATA
APPROVED &SUBMITTED：[FAE Section]
DATE:2011.2.1 DATE:2011.2.2
1,000963
1,028
6.50%
2,0001,984
2,131
7.35%
3,0003,107
3,275
5.60%
4,0003,995
4,067
1.80%
5,0004,882
5,115
4.66%
6,0005,882
5,993
1.85%
7,0006,886
7,070
2.63%
8,0007,927
8,183
3.20%
9,0008,997
9,157
1.78%
10,0009,887
10,032
1.45%
OK/NG[ / ] OK/NG[ / ] OK/NG[ / ] OK/NG[ / ] OK/NG[ / ] OK/NG[ / ] OK/NG[ / ] OK/NG[ / ] OK/NG[ / ] OK/NG[ / ]
]
]
]
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
10,000
11,000
0 500 1000 1500 2000
Block No; Total [ 2048 ] Blocks of 16Gbit 8KB/Page SLC Flash Memory
WITHOUT Global Static Wear Levelling (WITHOUT TDK SMART SWAP)
(2/2)
For Reference WITHOUT RS3 Global Static Wear Levelling
RESULTS PASS / FAILErased TimesMinimumMaximum%
1,0001
1,000
99.90%
2,0001
1,999
99.90%
3,0001
2,999
99.93%
4,0001
3,999
99.95%
5,0001
5,000
99.98%
6,0001
5,999
99.97%
7,0001
7,000
99.99%
8,0001
7,999
99.98%
9,0001
9,000
99.99%
10,0001
10,500
104.99%
OK/NG[ / ] OK/NG[ / ] OK/NG[ / ] OK/NG[ / ] OK/NG[ / ] OK/NG[ / ] OK/NG[ / ] OK/NG[ / ] OK/NG[ / ] OK/NG[ / ]
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
10,000
11,000
0 500 1000 1500 2000
Block No; Total [ 2048 ] Blocks of 16Gbit 8KB/Page SLC Flash Memory