55LD019A-45-C-MVWE Ver la hoja de datos (PDF) - Silicon Storage Technology
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55LD019A-45-C-MVWE Datasheet PDF : 79 Pages
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ATA Flash Disk Controller
SST55LD019A / SST55LD019B / SST55LD019C
Data Sheet
TABLE 4-1: Default ATA Flash Drive Settings (Continued) (2 of 2)
Capacity1 Controller Version
Total Bytes
Cylinders2
Heads2
Sectors2
Max LBA
3968 MB
3,968,262,144
7689
16
SST55LD019A/B
4096 MB
4,096,253,952
7937
16
63
7,750,512
63
8,000,496
6 GB
6,001,164,288
11628
16
SST55LD019B/C
8 GB
8,001,552,384
15504
16
10 GB
10,001,940,480
163833
16
12 GB
12,001,296,384
163833
16
14 GB
14,001,684,480
163833
16
16 GB
16,001,040,384
163833
16
18 GB
18,001,428,480
163833
16
20 GB
20,001,816,576
163833
16
22 GB
SST55LD019C
22,001,172,480
163833
16
24 GB
24,001,560,576
163833
16
26 GB
26,001,948,672
163833
16
28 GB
28,001,304,576
163833
16
30 GB
30,001,692,672
163833
16
32 GB
32,001,048,576
163833
16
63
11,721,024
63
15,628,032
63
19,535,040
63
23,440,032
63
27,347,040
63
31,252,032
63
35,159,040
63
39,066,048
63
42,971,040
63
46,878,048
63
50,785,056
63
54,690,048
63
58,597,056
63
62,502,048
1. These flash drive capacities can only be manufactured by using the specified version of the ATA Flash Disk Controller.
2. Cylinders, Heads, and Sectors can be re-configured from the default settings during the manufacturing process.
3. Cylinders, Heads, and Sectors are not applicable for these capacities. Only LBA addressing applies.
T4-1.5 1241
4.1 Functional Specifications
The SST55LD019A controller should be used when the random access performance needs to be maximized. The
SST55LD019B controller is to be used when the sequential access performance needs to be maximized. The
SST55LD019C controller is to be used when the flash drive capacity and sequential access performance need to
be maximized. Table 4-2 shows the performance and the maximum capacity supported by each controller.
TABLE 4-2: Functional Specification of SST55LD019A/B/C
Functions
ATA Controller Supported Capacity
SST55LD019A
up to 4 GB
SST55LD019B
up to 8 GB
ATA Controller Performance-Sustained Write speed
ATA Controller Performance-Sustained Read speed
Up to 6.0 MB/sec
Up to 10.0 MB/sec
Up to 10.0 MB/sec
Up to 10.0 MB/sec
1. Please refer to the reference schematics for high-capacity flash drive design.
SST55LD019C
4 GB to 32 GB
with external decoding1 logic
Up to 10.0 MB/sec
Up to 10.0 MB/sec
T4-2.3 1241
©2006 Silicon Storage Technology, Inc.
15
S71241-04-000
12/06
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