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rohs compliant serial ata flash drive safd25m4 product specifications december 2 nd , 2011 version 1.0 apacer technology inc. 9/f, no. 100, hsin tai wu rd., hsichih, taipei hsien 221, taiwan tel: +886-2-2696-1666 fax: +886-2-2696-1668 www.apacer.com apacer technology inc. 4 th fl., 75 hsin tai wu rd., sec.1, hsichih, new taipei city, taiwan 221 tel: +886-2-2698-2888 fax: +886-2-2698-2889 www.apacer.com
serial ata flash drive aps25m5axxxx-axx 1 ? 2011 apacer technology inc. rev. 1.0 features: z standard serial ata 2.6 (gen. 2) ? serial ata 2.6 (gen. 2) ? sata , 3.0 gbps ? ata-compatible command set z capacities ? 4, 8, 16, 32, 64 gb z performance* ? burst read/write: 300 mb/sec ? sustained read: up to 165 mb/sec ? sustained write: up to 150 mb/sec z intelligent endurance design ? built-in hardware ecc, enabling up to 16/24 bit correction per 1k bytes ? static wear-leveling scheme together with dynamical block allocation to significantly increase the lifetime of a flash device and optimize the disk performance ? flash bad-block management ? s.m.a.r.t. ? power failure management ? ata secure erase ? trim z nand flash type: slc z data integrity under power-cycling ? no battery required for data storage z temperature ranges ? operation: 0c to 70c (32 ~ 158f) ? extended: -40c to 85c (-40 ~ 185f) ? storage: -40c to 100c (-40 ~ 212f) z supply voltage ? 5.0 v 5% z power consumption (typical)* ? active mode: 333 ma ? idle mode: 95 ma z form factor ? 2.5 inch? (70.00 x 48.66 x 9.25**, unit: mm) z connector ? 7-pin sata signal connector ? 15-pin sata power connector z shock & vibration ? shock: 50g (approx., non-operating) ? vibration: 15g (approx.) z rohs compliant * varies from capacities. the values addre ssed for performance and power consumpti ons are typical and may vary depending on setti ngs and platforms. **including the width of the side brackets. pl ease ?physical characteristics? for details.
serial ata flash drive aps25m5axxxx-axx 2 ? 2011 apacer technology inc. rev. 1.0 table of contents 1. product d escription ................................................................................................. 3 1.1 introduction ................................................................................................................... ..............................3 1.2 functional bl ock diagram....................................................................................................... ...................3 1.3 ata mode support ........................................................................................................ ............................4 1.4 capacity spe cification......................................................................................................... ........................4 1.5 performance.................................................................................................................... .............................4 1.6 pin assignments ................................................................................................................ ..........................5 2. software interface .................................................................................................... 7 2.1 command set .................................................................................................................... ..........................7 3. flash ma nagement ................................................................................................... 8 3.1 error correction /detection ..................................................................................................... ...................8 3.2 bad block ma nagement........................................................................................................... ...................8 3.3 wear le veling.................................................................................................................. ............................8 3.4 power failure management ....................................................................................................... ................8 3.5 ata secure erase ............................................................................................................... ........................8 3.6 s.m.a.r.t. ..................................................................................................................... ..............................9 3.7 trim........................................................................................................................... .................................9 4. environmenta l specificat ions ............................................................................... 10 4.1 environ ments................................................................................................................... ..........................10 4.2 mean time between failures (mtbf).............................................................................................. ......10 4.3 certification and compliance ................................................................................................... ...............10 5. electrical ch aracteris tics ...................................................................................... 11 5.1 operating voltage .............................................................................................................. .......................11 5.2 power cons umption.............................................................................................................. ....................11 5.3 electrostatic discharge ........................................................................................................ .....................11 5.4 electrical fast tr ansient/burst................................................................................................ ................12 6. physical ch aracteris tics........................................................................................ 13 6.1 dimensions ..................................................................................................................... ............................13 7. product orderi ng informa tion ............................................................................... 14 7.1 product code designations ...................................................................................................... ................14 7.2 valid combinations ............................................................................................................. .....................15
serial ata flash drive aps25m5axxxx-axx 3 ? 2011 apacer technology inc. rev. 1.0 1. product description 1.1 introduction apacer?s safd25m4 is a solid-state disk (ssd) drive t hat contains a controller, embedded firmware, and flash media along with a male connector. using nand flash me mory devices, the safd drive interfaces with the host allowing data to be seamlessly transferr ed between the host and the flash devices. safd25m4 drive is designed with a single-chip controll er, offering capacities of up to 64 gigabytes and providing full support for the sata high-speed interface standard. it can operate at sustained access rates of up to 100 megabytes per second, which is much fast er than any other solid-state or traditional sata drive currently available on the market. in addition to buffer management through dynamical allocation, safd25m4 adopts the apacer-specific global wear-leveling scheme to allow uniform use of all storage blocks, ensuring that the lifetime of a flash media can be significantly increased and the disk performance is optimized as well. safd25m4 provides the s.m.a.r.t. feature that follows the sata rev. 2.6, ata/atapi-7 specifications and uses the standard smart command b0h to read data from the drive. this feature protects the user from unscheduled downtime by monitoring and storing critical drive performance. our customization services include product change not ification (pcn), pre-progr ammed software, customize packaging and labeling, specified testing and safe ty packing, depending on specific requests. 1.2 functional block diagram safd25m4 drive includes a single-chip sata controller and the flash media, as well as the sata standard interface. the controller integrates t he flash management unit with the controller itself to support multi-channel, multi-bank flash arrays. figure 1-1 shows the functional block diagram. figure 1-1 apacer safd25m4 block diagram
serial ata flash drive aps25m5axxxx-axx 4 ? 2011 apacer technology inc. rev. 1.0 1.3 ata mode support safd25m4 provides ata mode support as follows: z up to pio mode-4 z up to multiword dma mode-2 z up to udma mode-5 1.4 capacity specification capacity specification of safd25m4 product family is av ailable as shown in table 1-1. it lists the specific capacity, the default numbers of logical cylinders and heads, and the number of logical sectors per track for each product line. table 1-1 capacity specification capacity total bytes* cylinders heads sectors max lba* 4 gb 3,011,420,160 5,835 16 63 5,881,680 8 gb 7,012,196,352 15, 334 16 63 13,695,696 16 gb 16,013,942,784 16,383 16 63 31,277,232 32 gb 32,017,047,552 16,383 16 63 62,533,296 64 gb 64,023,257,088 16,383 16 63 125,045,424 *display of total bytes varies from file systems. **cylinders, heads or sectors are not applicable fo r these capacities. only lba addressing applies. 1.5 performance performance of safd25m4 is shown in table 1-2. table 1-2 performance specification capacity performance 4 gb 8 gb 16 gb 32 gb 64 gb sustained read (mb/s) 150 160 160 160 165 sustained write (mb/s) 50 95 95 145 150 note: performance varies from flas h configurations.
serial ata flash drive aps25m5axxxx-axx 5 ? 2011 apacer technology inc. rev. 1.0 1.6 pin assignments table 1-3 describes the safd signal segment, and table1-4, power segment. figure 1-2 sata connectors table 1-3: signal segment table 1-4: power segment name type description pin signal/description s1 gnd p1 unused (3.3v) s2 rxp + differential receive signal p2 unused (3.3v) s3 rxn - differential receive signal p3 unused (3.3v) s4 gnd p4 ground s5 txn - differential transmit signal p5 ground s6 txp + differential transmit signal p6 ground s7 gnd p7 5v p8 5v p9 5v p10 ground p11 reserved/ground p12 ground p13 unused (12v) p14 unused (12v) p15 unused (12v)
serial ata flash drive aps25m5axxxx-axx 6 ? 2011 apacer technology inc. rev. 1.0 figure 1-3 sata cable/connector connection diagram the connector on the left represents the host with tx/rx differential pairs connected to a cable. the connector on the right shows the device with tx/rx differ ential pairs also connected to the cable. notice also the ground path connecting the shielding of the cable to the cable receptacle.
serial ata flash drive aps25m5axxxx-axx 7 ? 2011 apacer technology inc. rev. 1.0 2. software interface 2.1 command set table 2-1 summarizes the ata commands supported by safd25m4. table 2-1: command set code command code command e5h check power mode f3h securit y erase pre p are 06h data set mana g ement f4h securit y erase unit 90h execute device dia g nostic f5h securit y freeze lock e7h flush cache f1h securit y set password eah flush cache ext f2h securit y unlock ech identif y device 70h seek e3h idle efh set features e1h idle immediate c6h set multi p le mode 91h initialize device parameters e6h slee p c8h read dma b0h smart 25h read dma ext e2h standb y c4h read multi p le e0h standb y immediate 29h read multi p le ext cah write dma 20h read secto r 35h write dma ext 24h read sector ext c5h write multi p le 40h read verif y sectors 39h write multi p le e x t 42h read verif y sectors ext 30h write secto r 10h recalibrate 34h write sector ext f6h securit y disable password
serial ata flash drive aps25m5axxxx-axx 8 ? 2011 apacer technology inc. rev. 1.0 3. flash management 3.1 error correction/detection safd25m4 implements a hardware ecc scheme, based on the bch algorithm. it can detect and correct up to 16 bits or 24 bits error in 1k bytes. 3.2 bad block management although bad blocks on the flash media are already ident ified by the flash manufacturer, they can also be accumulated over time during operation. safd25m4?s co ntroller maintains a table that lists those normal blocks with disk data, the free blocks for wear leve ling, and bad blocks with errors. when a normal block is detected broken, it is replaced with a free block an d listed as a bad block. when a free block is detected broken, it is then removed from the fr ee block list and marked as a bad block. during device operation, this ensures that newly accumu lated bad blocks are transparent to the host. the device will stop file write service once there are only two free blocks left su ch that the read function is still available for copying the files from the disk into another. 3.3 wear leveling the nand flash devices are limited by a certain number of write cycles. when usin g a fat-based file system, frequent fat table updates are required. if some area on the flash wears out faster than others, it would significantly reduce the lifetime of the whole ssd, even if the erase count s of others are far from the write cycle limit. thus, if the write cycles can be distribute d evenly across the media, the lifetime of the media can be prolonged significantly. this scheme is called wear leveling. apacer?s wear-leveling scheme is achieved both via buffer management and apacer-specific wear leveling mechanism. they both ensure that the lifetime of the flash media ca n be increased, and the disk access performance is optimized as well. 3.4 power failure management the low power detection on the controller initiates crucial data saving before the power supplied to the device is too low. this feature prevents the device from crash and ensures data integrity during an unexpected power-off. 3.5 ata secure erase accomplished by the secure erase (se) command, wh ich added to the open ansi standards that control disk drives, ?ata secure erase? is built in to the disk drive itself and thus far less susceptible to malicious software attacks than external software utilities. it is a pos itive easy-to-use data destroy command, amounting to electronic data shredding. executing the command causes a drive to internally completely erase all possible user data. this command is carried out within disk drives, so no additional software is required. once executed, neither data nor the erase counter on the device would be recoverable, which blurs the accuracy of device lifespan. the process to erase will not be st opped until finished while encountering power failure, and will be continued when power is back on.
serial ata flash drive aps25m5axxxx-axx 9 ? 2011 apacer technology inc. rev. 1.0 3.6 s.m.a.r.t. s.m.a.r.t. is an acronym for self-monitoring, analys is and reporting technology, an open standard allowing disk drives to automatically monitor their own health and report potential problems. it protects the user from unscheduled downtime by monitoring and st oring critical drive performance and calibration parameters. ideally, this should allow taking proactive actions to prevent impending drive failure. apacer safd25m4 uses the standard smart command b0 h to read data from the drive for smart feature as the sata rev.2.6 ata/atapi-7 specifications. bas ed on the sff-8035i rev. 2.0 specifications, apacer smart defines vendor-specified smart attribute ids (a 0h, a1h, a2h, a3h, a4h-a5h) in safd25m4. they represent initial back block count, bad block count, spare block count, maximum erase count, and average erase counts respectively. when the apacer smart ut ility running on the host, it analyzes and reports the disk status to the host before safd25m4 is in critical condition. 3.7 trim made of millions of nand flash cells, ssd can be writt en into groups called pages in 4k size generally, but can only be erased in larger groups called blocks of 128 pages or 512kb. these stipulations are partially the source of many performance issues. until an address gets used again, the ssd has to keep track of every last bit of data that?s written on it. the ata-trim in struction tilts the balance in favor of the ssd. trim addresses a major part of the performance degradat ion issue over time that plagues all ssds. a trim enabled drive running an os with trim support will st ay closer to its peak performance over time.
serial ata flash drive aps25m5axxxx-axx 10 ? 2011 apacer technology inc. rev. 1.0 4. environmental specifications 4.1 environments safd25m4 environmental specifications follow the us military standard mil-std-810f, as shown in below table. table 4-1 safd25m4 environmental specifications environment specification 0c to 70c (operating ? standard), -40c to 85c (operating-extended) temperature -40c to 100c (non-operating) humidity 5% to 95% rh (non-condensing) vibration sine wave: 10~2000(hz), 15(g) random: 20~2000(hz), 7.7(grms) shock operating: 50(g), 11(ms) non-operating: 1500(g), 0.5(ms) 4.2 mean time between failures (mtbf) mean time between failures (mtbf) is predicted based on reliability data for the individual components in safd drive. although many component of mtbf are given in databases and often these values are not really accurate, the prediction result for the safd25m4 is more than 2,000,000 hours. notes about the mtbf: the mtbf is predicated and calculated based on ?telco rdia technologies special report, sr-332, issue 2? method. 4.3 certification and compliance safd25m4 complies with the following standards: z ce ? en55022/55024 z fcc 47cfr part15 class b z rohs z mil-std-810f z sata ii (sata rev. 2.6) z up to ata/atapi-7 ( including s.m.a.r.t.)
serial ata flash drive aps25m5axxxx-axx 11 ? 2011 apacer technology inc. rev. 1.0 5. electrical characteristics 5.1 operating voltage table 5-1 lists the supply voltage for safd25m4. table 5-1 safd25m4 operating voltage parameter conditions supply voltage 5v 5% ( 4.75-5.25 v) 5.2 power consumption table 5-2 power consumption (typical) capacity mode 4 gb 8 gb 16 gb 32 gb 64 gb active (ma) 255 333 333 280 300 stand by (ma) 85 95 95 77 80 note: power consumptions may vary depending on settings and platforms 5.3 electrostatic discharge electrostatic discharge item amount of discharge voltage required criteria complied to criteria (a,b,c) air discharge 10 10 +8kv -8kv b b a a contact discharge 25 25 +4kv -4kv b b a a indirect discharge (hcp) 25 25 +4kv -4kv b b a a indirect discharge (vcp front) 25 25 +4kv -4kv b b a a indirect discharge (vcp left) 25 25 +4kv -4kv b b a a
serial ata flash drive aps25m5axxxx-axx 12 ? 2011 apacer technology inc. rev. 1.0 indirect discharge (vcp back) 25 25 +4kv -4kv b b a a indirect discharge (vcp right) 25 25 +4kv -4kv b b a a 5.4 electrical fast transient/burst electrical fast transient/burst inject line polarity voltage kv inject time (second) inject method required criteria complied to criteria l-n-pe 1kv 60 direct b a notes about 5.3 electrostatic discharge & 5.4 electrical fast transient/burst the tests performed are from lowest level up to the highest level as required by standard, but only highest level is shown on the report. meet criteria a: operate as intended during and after the test meet criteria b: operate as intended after the test meet criteria c: loss/error of function additional information: eut stopped operation and could / could not be reset by operator at kv. no false alarms or other malfunctions were observed during or after the test. the contact discharges were applied at least total 200 discharges at a minimum of four test points.
serial ata flash drive aps25m5axxxx-axx 13 ? 2011 apacer technology inc. rev. 1.0 6. physical characteristics 6.1 dimensions unit: mm
serial ata flash drive aps25m5axxxx-axx 14 ? 2011 apacer technology inc. rev. 1.0 7. product ordering information 7.1 product code designations a p s 25m 5 a x x x x C a x x serial ata flash drive apacer product code mini 2.5? form factor solution version capacities: 004g = 4gb 008g = 8gb 016g = 16gb 032g = 32gb 064g = 64gb flash type t: toshiba c: micron version control aluminum side bracket temperature range blank: standard w: extended temperature
serial ata flash drive aps25m5axxxx-axx 15 ? 2011 apacer technology inc. rev. 1.0 7.2 valid combinations capacity standard extended temperature 4gb aps25m5a004g-a t aps25m5a004g-atw 8gb aps25m5a008g-a t APS25M5A008G-ATw 16gb aps25m5a016g-a t aps25m5a016g-atw 32gb aps25m5a032g-ac aps25m5a032g-acw 64gb aps25m5a064g-ac aps25m5a064g-acw note: valid combinations are thos e products in mass production or w ill be in mass production. consult your apacer sales representative to confir m availability of valid combinations and to determine availability of new combinations.
serial ata flash drive aps25m5axxxx-axx 16 ? 2011 apacer technology inc. rev. 1.0 revision history revision description date 0.1 preliminary release 11/17/2011 1.0 official release 12/02/2011
serial ata flash drive aps25m5axxxx-axx 17 ? 2011 apacer technology inc. rev. 1.0 global presence taiwan (headquarters) apacer technology inc. 4 th fl., 75 hsin tai wu rd., sec.1 hsichih, new taipei city taiwan 221 r.o.c. tel: +886-2-2698-2888 fax: +886-2-2698-2889 amtsales@apacer.com u.s.a. apacer memory america, inc. 386 fairview way, suite102, milpitas, ca 95035 tel: 1-408-518-8699 fax: 1-408-935-9611 sa@apacerus.com japan apacer technology corp. 5f, matsura bldg., shiba, minato-ku tokyo, 105-0014, japan tel: 81-3-5419-2668 fax: 81-3-5419-0018 jpservices@apacer.com europe apacer technology b.v. science park eindhoven 5051 5692 eb son, the netherlands tel: 31-40-267-0000 fax: 31-40-267-0000#6199 sales@apacer.nl china apacer electronic (shanghai) co., ltd 1301, no.251,xiaomuqiao road, shanghai, 200032, china tel: 86-21-5529-0222 fax: 86-21-5206-6939 sales@apacer.com.cn india apacer technologies pvt ltd, #1064, 1st floor, 7th ?a? main, 3rd block koramangala, bangalore ? 560 034 tel: +91 80 4152 9061/62/63 fax: +91 80 4170 0215 sales_india@apacer.com
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