On March 21, 2012, TDK Corporation successfully developed the Single Chip SSD eSSD series, which began sales in April. The eSSD series is a Serial ATA (SATA) 3Gbps SSD with a TDK SSD controller GBDriver RS3 and NAND flash memory through multi-chip packaging technology (MCP).
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The product realizes a flash memory capacity of 1GByte~4GByte in a 208-ball BGA package (ball grid array package) measuring only 17mm×17mm, which can be reduced not only when the flash memory and the SSD controller are separately installed. The size of the substrate can also reduce the installation cost. Therefore, this product is the most suitable SSD equipment for assembly on Minsheng machinery equipment and industrial machinery equipment.
In addition, the internal flash memory uses a long-life SLC flash memory, plus GBDriver RS3's powerful error correction function, fault capacitance error algorithm, data statistics function and automatic refresh function (AR) to achieve high reliability and long life SSD equipment.
The product also has good data protection performance. Thanks to the AES128bit-style automatic encryption function, it can automatically encrypt data and record it in NAND flash memory. Thereby, data tampering and leakage can be prevented, and a comprehensive data security protection function is provided.
As an evaluation kit for this SSD device, it also has an mSATA module and an mSATA-SATA converter board.
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Terminology · AES: Short for Advanced Encryption Standard. It refers to the block encryption processing method registered with the US Department of Commerce's Federal Information Processing Standard FIPS PUB197.
Mainly used in digital cameras, camcorders, smart TVs, Bluetooth (BD) TVs, Bluetooth players, Bluetooth recorders, digital TV set-top boxes (STB) and CS playback tuner and other AV device thin client (Thin client PC), mobile Internet Electronic book terminal such as equipment (MID), ultra-portable PC (UMPC), car navigation system GPS, portable navigation system (PND, Portable Navigation Devices), digital driving recorder, multi-bus data recorder, driving recorder, car rear view monitoring All car equipment, such as the Rear View Monitor, all-in-one equipment (MFP), trademark printers, business projectors, etc. All OA equipment, karaoke machines, electronic games, and other entertainment equipment and game equipment. NC work machines FA (Fab Automation) all equipment automatic ticket gates, ticket vending machines, regular commuter tickets (monthly tickets, year) for equipment, sequencer, programmable controller (PLC), tablet computer, touch system and embedded CPU board Cards, etc.) All equipment used in the station business, such as the seller, automatic ticket purchase machine, automatic check-in machine, etc. Convenience store end, ATM (automatic teller machine) and other financial settlement terminal imaging diagnostic system, ECG scanner, blood analysis device, medical PC, electronic case and other medical equipment and measuring equipment third generation mobile phone 3G data communication system, etc. Communication radio and television used in base stations and all security devices such as digital signage, access control systems, monitors, etc., anti-theft device emergency earthquake rapid reporting system, home fire alarms, etc.
main feature
1. Integrate NAND flash memory and SSD controller with MCP technology.
The storage capacity of 1GByte to 4GByte is realized by a 208-ball BGA package area of ​​17mm × 17mm.
2. Host interface This product complies with the standards and specifications of Serial ATA standard Rev. 2.6 and can correspond to Gen1: 1.5Gbps and Gen2: 3.0Gbps. High-speed read and write, with a read speed of 55MB/sec and a write speed of 30MB/sec.
(The above is measured according to Crystal Disk Mark2.2, and the capacity is 4GByte, and it is affected by the system environment.)
3. Single-level cell (SLC) NAND flash memory and TDK flash controller GBDriver RS3's full-area static wear leveling (TDK SMART SWAP) algorithm to achieve long life of SSD devices.
4. Adopting TDK SSD controller GBDriver RS3 adopts NAND flash controller GBDriver RS3 developed by Yushe. The controller has the following reliability enhancement technology.
4-1. The static wear leveling function of the whole area uses the TDK full area static load leveling algorithm to measure the number of erasing (deleting) of the entire storage area (full block). Replace the block. Since the fixed areas such as OS and FAT are also regularly equalized, the service life of the flash memory is prolonged. For example, in the case of a capacity of 4 GB, 768 million erasures can occur. Even if 2.5 erases occur in one second, the erase life can reach ten years.
4-2. Off-Capacitance Error Algorithm Because of the proprietary algorithm of the company, when the power-off phenomenon occurs during data writing, the risk of data corruption outside the read object and associated data errors can be reduced.
4-3. Correction and Repair Thanks to the 15-bit ECC and auto-refresh function, bit errors (read disturb errors) caused by repeated reading can be automatically repaired.
4-4. When the data statistics function writes data, in order to avoid the same data being continuously written, various data types are automatically randomly configured for writing, and bit errors are not easy to occur.
4-5. Auto Refresh Function This function is to automatically update the function of repairing internal data without access from the system. During the access process, the automatic refresh can be temporarily interrupted, so the response delay does not occur.
4-6. The automatic encryption function with AES128bit mode is equipped with the encryption function of AES128bit mode, which can automatically encrypt data and write it to NAND flash memory. Thereby, leakage and tampering of personal information and secret information can be prevented.
4-7. Other functions (1) The number of sectors (sector) setting function (including clipping function) The number of logical blocks for data area division can be increased or decreased by one sector unit. For example, the number of rewritable flashes can be extended by reducing the number of logic blocks. Conversely, for products without long life, increasing the number of logic blocks can maximize storage capacity.
(2) Security (Password) Function This product is equipped with the ATA (Advanced Technology Attachment) standard protection function, so customers can set or release the password. This allows customers to self-certify and store critical data securely.
(3) Use the SMART command
Using the SMART (Self-Monitoring & Analysis Reporting Technology) command, the number of erasures (deletions) of all memory blocks can be known. Therefore, it is very easy to grasp the flash memory life state of the system, so that the service life can be safely and reliably managed.
5. Solution Support TDK has been developing and selling the TDK GBDriver series of NAND flash memory controller ICs since 2000. Whether it is for domestic customers or foreign customers, TDK has fully utilized its own technology to provide after-sales technical support. For example, the Field Application Engineer (FAE) system, the actual installation support for the reliability display function, etc., which are strongly demanded by the embedded product market.
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