参数资料
型号: SFCF2048H2BU2TO-I-MS-517-STD
厂商: Swissbit NA Inc
文件页数: 7/102页
文件大小: 0K
描述: FLASH SLC UDMA/MDMA/PIO 2GB
标准包装: 1
系列: C-440
存储容量: 2GB
存储器类型: CompactFlash?
其它名称: 1052-1094
4 Product Specification
The CompactFlash TM is a small form factor non-volatile memory card which provides high capacity data storage. Its
aim is to capture, retain and transport data, audio and images, facilitating the transfer of all types of digital
information between a large variety of digital systems.
The Card operates in three basic modes:
PC card ATA I/O mode
PC card ATA memory mode
True IDE mode
The CompactFlash TM also supports Advanced Timing modes. Advanced Timing modes are ATA I/O modes that are
100ns or faster, ATA Memory modes that are 100ns or 80ns.
Standard cards are shipped as max. UDMA6 (30ns) and PIO6/MDMA4 (80ns).
If the cards should be used in extended speed modes, they should be qualified on the target system and the
system should fulfill the requirements listed below.
It conforms to the PCMCIA Card Specification 2.1 when operating in the ATA I/O mode, and in the ATA Memory mode
(Personal Computer Memory Card International Association standard, JEIDA in Japan), and to the ATA specification
when operating in True IDE Mode. CompactFlash TM Cards can be used with passive adapters in a PC-Card Type I, II,
or Type III socket.
The Card has an internal intelligent controller which manages interface protocols, data storage and retrieval as
well as hardware BCH-code Error Correction Code (ECC), defect handling, diagnostics and clock control.
The wear leveling mechanism assures an equal usage of the Flash memory cells to extend the life time.
Once the Card has been configured by the host, it behaves as a standard ATA (IDE) disk drive. The hardware RS-
code ECC allows to detect and correct 6 bit per sector or 24 bit per double sector, depending on the flash.
The Card has a voltage detector and a powerful power-loss management feature to prevent data corruption after
power-down.
The specification has been realized and approved by the CompactFlash TM Association (CFA).
This non-proprietary specification enables users to develop CF products that function correctly and are compatible
with future CF design. The system highlights are shown in Table 2 … Table 8.
Related Documentation
CF+ and CompactFlash TM Specification Revision 4.1, 5.0
AT Attachment Interface Document, American National Standards Institute, ATA-7, 2005
PCMCIA PC Card Standard, 1995
PCMCIA PC Card ATA Specification 7
ATA Command Set 2 (ACS-2) for TRIM command
4.1 System Performance
Table 2: System Performance
System Performance
Sleep to write
Sleep to read
Power up to Ready
Reset to Ready (PC card/IDE Master )
Data transfer Rate (UDMA6 burs t)
Typ.
<500
200
Max.
5
5
1000
500
133
Unit
ms
MB/s
Sustained Read (measured)
Sustained Write (measured)
2 channel 4k
2 channel 4k
(1, 3)
(1, 3)
2GB-16GB
2GB-16GB
59
31
65
35
MB/s
Sustained Read (measured)
Sustained Write (measured)
2 channel 8k
2 channel 8k
(1, 3)
(1, 3)
32GB-64GB
32GB-64GB
58
31
65
35
MB/s
Random Write 4k(measured)
2 channel 4k
(1, 2)
2GB-16GB
32
170 (300)
IOPS
Random Write 4k(measured)
Command to DRQ
2 channel 8k
(1, 2)
Read
Write
32GB-64GB
27
100
30
160 (300)
250000
500
(input/output per second)
μs
Access Time
Read
0.22
ms
1. All values refer to Toshiba Flash chips with firmware revision 1
2. The number of IOPS was measured with a fully used and a trimmed card with IOMETER
3. CompactFlash TM Card in UDMA mode 6, cycle time 30ns in True-IDE mode with Sequential write/read test.
The number of flash is decoded in the part number; also the flash page size is depicted in this table.
Sustained Speed depends on flash type and number, file size, and burst speed.
Swissbit AG
Industriestrasse 4
Swissbit reserves the right to change products or specifications without notice.
Revision: 1.00
CH-9552 Bronschhofen
Switzerland
www.swissbit.com
industrial@swissbit.com
C-440_data_sheet_CF-HxBU_Rev100.doc
Page 7 of 102
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