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RoHS Compliant CFast 2.0 SS220-CFast 2.0 Product Specifications March 17, 2021 Version 1.6 Apacer Technology Inc. 1F, No.32, Zhongcheng Rd., Tucheng Dist., New Taipei City, Taiwan, R.O.C Tel: +886-2-2267-8000 www.apacer.com Fax: +886-2-2267-2261 Specifications Overview:  Standard Serial ATA Interface  – SATA Revision 3.1 compliance – SATA 6 Gb/s interface speed Standard: 0°C to 70°C – Backward compatible with SATA 1.5 and 3 Gb/s interfaces Wide: -40°C to 85°C – ATA-compatible command set – –   Temperature Range –  3.3 V ± 5% 4, 8, 16, 32, 64 GB   Storage: -40°C to 100°C Supply Voltage Capacity – Operating: Performance* – Sequential read: Up to 560 MB/sec – Sequential write: Up to 450 MB/sec – Random read (4K): Up to 81,000 IOPS – Random write (4K): Up to 77,000 IOPS  Power Consumption* – Active mode: 510 mA – Idle mode: 90 mA Connector Type – 7 + 17 pin female connector Flash Management  Write Protect – Built-in hardware ECC  RoHS Compliant – Global Wear Leveling – Flash bad-block management – Flash Translation Layer: Page Mapping – S.M.A.R.T. – Power Failure Management – Device Sleep (optional) – ATA Secure Erase – TRIM  NAND Flash Type: SLC  MTBF: >3,000,000 hours  Endurance (in Terabytes Written: TBW) – 4 GB: 186 TBW – 8 GB: 267 TBW – 16 GB: 535 TBW – 32 GB: 1,329 TBW – 64 GB: 2,659 TBW *Varies from capacities. The values for performances and power consumptions presented are typical and may vary depending on flash configurations or platform settings. 1 © 2021 Apacer Technology Inc. Table of Contents 1. General Descriptions ........................................................................3 2. Functional Block ...............................................................................3 3. Pin Assignments ................................................................................4 4. Product Specifications ......................................................................6 4.1 Capacity ......................................................................................................................................... 6 4.2 Performance .................................................................................................................................. 6 4.3 Environmental Specifications ........................................................................................................ 7 4.4 Mean Time Between Failures (MTBF) .......................................................................................... 7 4.5 Certification and Compliance......................................................................................................... 7 4.6 Endurance ..................................................................................................................................... 8 5. Flash Management ............................................................................9 5.1 Error Correction/Detection ............................................................................................................. 9 5.2 Bad Block Management ................................................................................................................ 9 5.3 Global Wear Leveling .................................................................................................................... 9 5.4 Flash Translation Layer – Page Mapping...................................................................................... 9 5.5 ATA Secure Erase ......................................................................................................................... 9 5.6 Power Failure Management ........................................................................................................ 10 5.7 TRIM ............................................................................................................................................ 10 5.8 Device Sleep (DevSleep or DEVSLP) Mode (optional) ............................................................... 10 5.9 SATA Power Management .......................................................................................................... 11 6. Software Interface ..........................................................................12 6.1 Command Set .............................................................................................................................. 12 6.2 S.M.A.R.T. ................................................................................................................................... 12 7. Electrical Specifications.................................................................14 7.1 Operating Voltage ........................................................................................................................ 14 7.2 Power Consumption .................................................................................................................... 14 8. Physical Characteristics .................................................................15 9. Product Ordering Information .........................................................16 9.1 Product Code Designations ......................................................................................................... 16 9.2 Valid Combinations ...................................................................................................................... 17 2 © 2021 Apacer Technology Inc. 1. General Descriptions Apacer SS220-CFast 2.0 is the latest enhancement of conventional CFast form factor that delivers various technological advantages. This new flash memory card comes with SATA 6 Gb/s interface for higher performance and consists of SATA-based 7-pin signal segment and 17-pin for power and control purposes. For data efficiency, the internal controlling unit of the SS220-CFast 2.0 is engineered with DRAM for enhanced random performance which achieves data transfer rates up to 560 MB/s in sequential access and 81,000 IOPS in 4KB random access. In addiation, Apacer CFast cards come with S.M.A.R.T. for lifetime monitoring and customization support if write protection is required. Apacer SS220-CFast 2.0 guarantees reliability of applications in harsh environments by implementing intelligent Flash Management algorithms and Error Correction. 2. Functional Block Apacer SS220-CFast 2.0 includes a single-chip SATA 6 Gb/s and the flash media. The controller integrates the flash management unit to support multi-channel, multi-bank flash arrays. Figure 2-1 shows the functional block diagram. Host Interface SATAI/O & PHY SATA 6 Gb/s Interface Controller Flash data bus & ECC engine DDR3 DRAM Flash Flash Figure 2-1 Functional Block Diagram 3 © 2021 Apacer Technology Inc. 3. Pin Assignments Table 3-1 describes SS220-CFast 2.0 signal segment, and Table 3-2, its power segment. Figure 3-1 Pin Assignment Table 3-1 Signal Segment Pin Definition Description S1 GND Ground S2 A+ S3 A- SATA Differential Signal Pair A S4 GND Ground S5 B- S6 B+ SATA Differential Signal Pair B S7 GND Ground 4 © 2021 Apacer Technology Inc. Table 3-2 Power Segment Pin Definition Type Description PC1 CDI Input Card Detect In PC2 PGND Device GND Device GND PC3 DEVSLP* DEVSLP card input DEVSLP enable PC4 Reserved PC5 Reserved PC6 Reserved PC7 PGND Device GND Device GND PC8 LED1 LED Output Power indicator PC9 LED2 LED Output Access indicator PC10 Reserved PC11 Write Protect** PC12 IFDet GND Card output, connect to PGND on card PC13 PWR 3.3V Device power (3.3V) PC14 PWR w PGND 3.3V Device power (3.3V) PC15 Device GND Device GND PC16 PGND Device GND Device GND PC17 CDO Output Card Detect Out *Optional **Enabled by adjusting the pin “PC11” from high to low active Notes about Write Protect: Apacer implements the Virtual Write scheme that allows write commands to go through the flash controller and data is temporarily stored, but no data has been actually written into the flash. Once the host resets or restarts the system, all the temporarily stored data will disappear and nowhere to be found in the drive. Since the Virtual Write scheme runs at device level, it requires no software or driver installation and is independent from the host OS. Figure 3-2 SATA Cable / Connector Connection Diagram The connector on the left represents the Host with TX/RX differential pairs connected to a cable while the connector on the right shows the Device with TX/RX differential pairs also connected to the cable. Notice also the ground path connecting the shielding of the cable to the Cable Receptacle. 5 © 2021 Apacer Technology Inc. 4. Product Specifications 4.1 Capacity Capacity specifications of SS220-CFast 2.0 are available as shown in Table 4-1. It lists the specific capacity and the default numbers of heads, sectors and cylinders for each product line. Table 4-1 Capacity Specifications Capacity Total bytes* Cylinders Heads Sectors Total LBA 4 GB 4,011,614,208 7,773 16 63 7,835,184 8 GB 8,012,390,400 15,525 16 63 15,649,200 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, which means not all of the bytes can be used for storage. **Notes: 1 GB = 1,000,000,000 bytes; 1 sector = 512 bytes. LBA count addressed in the table above indicates total user storage capacity and will remain the same throughout the lifespan of the device. However, the total usable capacity of the SSD is most likely to be less than the total physical capacity because a small portion of the capacity is reserved for device maintenance usages. 4.2 Performance Performance of SS220-CFast 2.0 is listed below in Table 4-2. Table 4-2 Performance Specifications Capacity 4 GB 8 GB 16 GB 32 GB 64 GB Sequential Read* (MB/s) 65 255 450 560 555 Sequential Write* (MB/s) 55 100 200 395 450 Random Read IOPS** (4K) 15,000 33,000 62,000 80,000 81,00 Random Write IOPS** (4K) 3,000 6,000 30,000 66,000 77,000 Performance Note: Results may differ from various flash configurations or host system setting. *Sequential performance is based on CrystalDiskMark 5.2.1 with file size 1,000MB. **Random performance measured using IOMeter with Queue Depth 32. 6 © 2021 Apacer Technology Inc. 4.3 Environmental Specifications Environmental specifications of SS220-CFast 2.0 product are shown in Table 4-3. Table 4-3 Environmental Specifications Item Specifications Operating temp. 0°C to 70°C (Standard); -40°C to 85°C (Wide) Non-operating temp. -40°C to 100°C Operating vibration 7.69 GRMS, 20~2000 Hz/random (compliant with MIL-STD-810G) Non-operating vibration 4.02 GRMS, 15~2000 Hz/random (compliant with MIL-STD-810G) Operating shock 50G, 11ms Non-operating shock 1500G, 0.5ms (compliant with MIL-STD-883K) Note: This Environmental Specification table indicates the conditions for testing the device. Real world usages may affect the results. 4.4 Mean Time Between Failures (MTBF) Mean Time Between Failures (MTBF) is predicted based on reliability data for the individual components in SS220-CFast 2.0. The prediction result for SS220-CFast 2.0 is more than 3,000,000 hours. Note: The MTBF is predicated and calculated based on “Telcordia Technologies Special Report, SR332, Issue 3” method. 4.5 Certification and Compliance SS220-CFast 2.0 complies with the following standards:     CE FCC RoHS MIL-STD-810G 7 © 2021 Apacer Technology Inc. 4.6 Endurance The endurance of a storage device is predicted by TeraBytes Written based on several factors related to usage, such as the amount of data written into the drive, block management conditions, and daily workload for the drive. Thus, key factors, such as Write Amplifications and the number of P/E cycles, can influence the lifespan of the drive. Table 4-4 Endurance Specifications Capacity TeraBytes Written 4 GB 186 8 GB 267 16 GB 535 32 GB 1,329 64 GB 2,659 Note:  The measurement assumes the data written to the SSD for test is under a typical and constant rate.  The measurement follows the standard metric: 1 TB (Terabyte) = 1,024 GB.  This estimation complies with JEDEC JESD-219, enterprise endurance workload of random data with payload size distribution. 8 © 2021 Apacer Technology Inc. 5. Flash Management 5.1 Error Correction/Detection SS220-CFast 2.0 implements a hardware ECC scheme, based on the BCH algorithm. It can detect and correct up to 72 bits error in 1K bytes. 5.2 Bad Block Management Current production technology is unable to guarantee total reliability of NAND flash memory array. When a flash memory device leaves factory, it comes with a minimal number of initial bad blocks during production or out-of-factory as there is no currently known technology that produce flash chips free of bad blocks. In addition, bad blocks may develop during program/erase cycles. Since bad blocks are inevitable, the solution is to keep them in control. Apacer flash devices are programmed with ECC, page mapping technique and S.M.A.R.T to reduce invalidity or error. Once bad blocks are detected, data in those blocks will be transferred to free blocks and error will be corrected by designated algorithms. 5.3 Global Wear Leveling Flash memory devices differ from Hard Disk Drives (HDDs) in terms of how blocks are utilized. For HDDs, when a change is made to stored data, like erase or update, the controller mechanism on HDDs will perform overwrites on blocks. Unlike HDDs, flash blocks cannot be overwritten and each P/E cycle wears down the lifespan of blocks gradually. Repeatedly program/erase cycles performed on the same memory cells will eventually cause some blocks to age faster than others. This would bring flash storages to their end of service term sooner. Global wear leveling is an important mechanism that levels out the wearing of all blocks so that the wearing-down of all blocks can be almost evenly distributed. This will increase the lifespan of SSDs. 5.4 Flash Translation Layer – Page Mapping Page mapping is an advanced flash management technology whose essence lies in the ability to gather data, distribute the data into flash pages automatically, and then schedule the data to be evenly written. Page-level mapping uses one page as the unit of mapping. The most important characteristic is that each logical page can be mapped to any physical page on the flash memory device. This mapping algorithm allows different sizes of data to be written to a block as if the data is written to a data pool and it does not need to take extra operations to process a write command. Thus, page mapping is adopted to increase random access speed and improve SSD lifespan, reduce block erase frequency, and achieve optimized performance and lifespan. 5.5 ATA Secure Erase ATA Secure Erase is an ATA disk purging command currently embedded in most of the storage drives. Defined in ATA specifications, (ATA) Secure Erase is part of Security Feature Set that allows storage drives to erase all user data areas. The erase process usually runs on the firmware level as most of the ATA-based storage media currently in the market are built-in with this command. ATA Secure Erase can securely wipe out the user data in the drive and protects it from malicious attack. 9 © 2021 Apacer Technology Inc. 5.6 Power Failure Management Power Failure Management plays a crucial role when power supply becomes unstable. Power disruption may occur when users are storing data into the SSD, leading to instability in the drive. However, with Power Failure Management, a firmware protection mechanism will be activated to scan pages and blocks once power is resumed. Valid data will be transferred to new blocks for merging and the mapping table will be rebuilt. Therefore, data reliability can be reinforced, preventing damage to data stored in the NAND Flash. 5.7 TRIM TRIM is a SATA command that helps improve the read/write performance and efficiency of solid-state drives (SSD). The command enables the host operating system to inform SSD controller which blocks contain invalid data, mostly because of the erase commands from host. The invalid will be discarded permanently and the SSD will retain more space for itself. 5.8 Device Sleep (DevSleep or DEVSLP) Mode (optional) Device Sleep is a feature that allows SATA devices to enter a low power mode by designating a particular pin as DEVSLP signal with an aim to reducing power consumption. 10 © 2021 Apacer Technology Inc. 5.9 SATA Power Management By complying with SATA 6 Gb/s specifications, the SSD supports the following SATA power saving modes:  ACTIVE: PHY ready, full power, Tx & Rx operational  PARTIAL: Reduces power, resumes in under 10 µs (microseconds)  SLUMBER: Reduces power, resumes in under 10 ms (milliseconds)  HIPM: Host-Initiated Power Management  DIPM: Device-Initiated Power Management  AUTO-SLUMBER: Automatic transition from partial to slumber.  Device Sleep (DevSleep or DEVSLP): PHY powered down; power consumption ≦ 5 mW; host assertion time ≦ 10 ms; exit timeout from this state ≦ 20 ms (unless specified otherwise in SATA Identify Device Log). Note: 1. The behaviors of power management features would depend on host/device settings. 2. Device Sleep mode is optional depending on product ordering selections. 11 © 2021 Apacer Technology Inc. 6. Software Interface 6.1 Command Set Table 6-1 Command Set Code Command Code Command E5h CHECK POWER MODE F6h SECURITY DISABLE PASSWORD 90h EXECUTE DIAGNOSTICS F3h SECURITY ERASE PREPARE E7h FLUSH CACHE F4h SECURITY ERASE UNIT ECh IDENTIFY DEVICE F5h SECURITY FREEZE LOCK E3h IDLE F1h SECURITY SET PASSWORD E1h IDLE IMMEDIATE F2h SECURITY UNLOCK 91h INITIALIZE DEVICE PARAMETERS 7Xh SEEK C8h READ DMA EFh SET FEATURES 25h READ DMA EXT C6h SET MULTIPLE MODE 60h READ FPDMA QUEUED E6h SLEEP 47h READ LOG DMA EXT B0h S.M.A.R.T. 2Fh READ LOG EXT E2h STANDBY C4h READ MULTIPLE E0h STANDBY IMMEDIATE 20 or 21h READ SECTOR(S) CAh WRITE DMA 40 or 41h READ VERIFY SECTOR(S) 35h WRITE DMA EXT 10h RECALIBRATE 61h WRITE FPDMA QUEUED 57h WRITE LOG DMA EXT 3Fh WRITE LOG EXT C5h WRITE MULTIPLE 30h or 31h WRITE SECTOR(S) 6.2 S.M.A.R.T. S.M.A.R.T. is an abbreviation for Self-Monitoring, Analysis and Reporting Technology, a selfmonitoring system that provides indicators of drive health as well as potential disk problems. It serves as a warning for users from unscheduled downtime by monitoring and displaying critical drive information. Ideally, this should allow taking proactive actions to prevent drive failure and make use of S.M.A.R.T. information for future product development reference. Apacer devices use the standard SMART command B0h to read data out from the drive to activate our S.M.A.R.T. feature that complies with the ATA/ATAPI specifications. S.M.A.R.T. Attribute IDs shall include initial bad block count, total later bad block count, maximum erase count, average erase count, power on hours and power cycle. When the S.M.A.R.T. Utility running on the host, it analyzes and reports the disk status to the host before the device reaches in critical condition. Note: Attribute IDs may vary from product models due to various solution design and supporting capabilities. Apacer memory products come with S.M.A.R.T. commands and subcommands for users to obtain information of drive status and to predict potential drive failures. Users can take advantage of the following commands/subcommands to monitor the health of the drive. 12 © 2021 Apacer Technology Inc. Code SMART Subcommand D0h READ DATA D1h READ ATTRIBUTE THRESHOLDS D2h ENABLE/DISABLE ATTRIBUTE AUTOSAVE D4h EXECUTE OFF-LINE IMMEDIATE D5h SMART READ LOG D6h SMART WRITE LOG D8h ENABLE OPERATIONS D9h DISABLE OPERATIONS DAh RETURN STATUS General SMART attribute structure Byte Description 0 ID (Hex) 1–2 Status Flag 3 Value 4 Worst 5*-11 Raw Data *Byte 5: LSB SMART attribute ID list ID (Hex) Attribute Name 9 (0x09) Power-on Hours 12 (0x0C) Power Cycle Count 163 (0xA3) Max. Erase Count 164 (0xA4) Avg. Erase Count 166 (0xA6) Total Later Bad Block Count 167 (0xA7) SSD Protect Mode (Vendor Specific) 168 (0xA8) SATA PHY Error Count 171 (0xAB) Program Fail Count 172 (0xAC) Erase Fail Count 175 (0xAF) Bad Cluster Table Count 192 (0xC0) Unexpected Power Loss Count 194 (0xC2) Temperature 231 (0xE7) Lifetime Left 241 (0xF1) Total Sectors of Write 13 © 2021 Apacer Technology Inc. 7. Electrical Specifications 7.1 Operating Voltage Table 7-1 lists the supply voltage for SS220-CFast 2.0. Table 7-1 Operating Range Parameter Power Supply Symbol Min Type Max Units Vcc 3.135 3.3 3.465 V 7.2 Power Consumption Table 7-2 lists the power consumption for SS220-CFast 2.0. Table 7-2 Power Consumption Capacity 4 GB 8 GB 16 GB 32 GB 64 GB Active (mA) 265 260 345 460 510 Idle (mA) 90 80 85 85 80 Mode Note: *All values are typical and may vary depending on flash configurations or host system settings. **Active power is an average power measurement performed using CrystalDiskMark with 128KB sequential read/write transfers. 14 © 2021 Apacer Technology Inc. 8. Physical Characteristics Unit: ㎜ Figure 8-1 Physical Dimensions 15 © 2021 Apacer Technology Inc. 9. Product Ordering Information 9.1 Product Code Designations AP CFA xxxG GDX X – X 6X T Flash Type FW Version 6E: Without DEVSLP 6F: With DEVSLP Operating Temperature Range Blank: Standard Temperature W: Wide Temperature N: Standard D: Hi-Speed Solution Version A: Standard: W: Write Protect Capacity 004G = 4GB 008G = 8GB 016G = 16GB 032G = 32GB 064G = 64GB Model Name Apacer Product Code 16 © 2021 Apacer Technology Inc. 9.2 Valid Combinations 9.2.1 Without DEVSLP Capacity Standard Temperature Wide Temperature 4GB APCFA004GGDAN-6ET APCFA004GGDAN-W6ET 8GB APCFA008GGDAD-6ET APCFA008GGDAD-W6ET 16GB APCFA016GGDAD-6ET APCFA016GGDAD-W6ET 32GB APCFA032GGDAD-6ET APCFA032GGDAD-W6ET 64GB APCFA064GGDAD-6ET APCFA064GGDAD-W6ET 9.2.2 With DEVSLP Capacity Standard Temperature Wide Temperature 4GB APCFA004GGDAN-6FT APCFA004GGDAN-W6FT 8GB APCFA008GGDAD-6FT APCFA008GGDAD-W6FT 16GB APCFA016GGDAD-6FT APCFA016GGDAD-W6FT 32GB APCFA032GGDAD-6FT APCFA032GGDAD-W6FT 64GB APCFA064GGDAD-6FT APCFA064GGDAD-W6FT 9.2.3 Without DEVSLP + Write Protect Capacity Standard Temperature Wide Temperature 4GB APCFA004GGDWN-6ET APCFA004GGDWN-W6ET 8GB APCFA008GGDWD-6ET APCFA008GGDWD-W6ET 16GB APCFA016GGDWD-6ET APCFA016GGDWD-W6ET 32GB APCFA032GGDWD-6ET APCFA032GGDWD-W6ET 64GB APCFA064GGDWD-6ET APCFA064GGDWD-W6ET 9.2.4 With DEVSLP + Write Protect Capacity Standard Temperature Wide Temperature 4GB APCFA004GGDWN-6FT APCFA004GGDWN-W6FT 8GB APCFA008GGDWD-6FT APCFA008GGDWD-W6FT 16GB APCFA016GGDWD-6FT APCFA016GGDWD-W6FT 32GB APCFA032GGDWD-6FT APCFA032GGDWD-W6FT 64GB APCFA064GGDWD-6FT APCFA064GGDWD-W6FT Note: Valid combinations are those products in mass production or will be in mass production. Consult your Apacer sales representative to confirm availability of valid combinations and to determine availability of new combinations. 17 © 2021 Apacer Technology Inc. Revision History Revision Description Date 1.0 Official release 7/17/2018 1.1 Added 4GB support 8/9/2018 1.2 1.3 - Added Endurance to Specifications Overview - Added 4.6 Endurance Updated 4GB valid combinations at 9. Product Ordering Information 9/6/2018 10/4/2018 - Renamed extended temperature to wide temperature - Updated Performance and Power Consumption on Specifications Overview page 1.4 - Updated 4.2 Performance and 7.2 Power Consumption 12/12/2019 - Updated technology description for 5.6 Power Failure Management - Updated 9. Product Ordering Information due to FW change - Changed SATA 6.0 Gbps to SATA 6 Gb/s in accordance with SATA naming guidelines 1.5 - Updated operating/non-operating vibration spec at Table 4-3 Environmental Specifications - Updated MIL compliance from MIL-STD-810F to MIL-STD810G at 4.5 Certification and Compliance 3/19/2020 - Capitalized every letter for commands at 6.1 Command Set and SMART subcommand at 6.2 S.M.A.R.T. - Added Write Protect support - Update MTBF to >3,000,000 hours 1.6 - Updated 4.4 Mean Time Between Failures (MTBF) 3/17/2021 - Updated 9. Product Ordering Information by adding 9.2.3 and 9.2.4 valid combinations 18 © 2021 Apacer Technology Inc. Global Presence Taiwan (Headquarters) U.S.A. Apacer Technology Inc. 1F., No.32, Zhongcheng Rd., Tucheng Dist., New Taipei City 236, Taiwan R.O.C. Tel: 886-2-2267-8000 Fax: 886-2-2267-2261 amtsales@apacer.com Apacer Memory America, Inc. 46732 Lakeview Blvd., Fremont, CA 94538 Tel: 1-408-518-8699 Fax: 1-510-249-9551 sa@apacerus.com Japan Europe Apacer Technology Corp. 6F, Daiyontamachi Bldg., 2-17-12, Shibaura, Minato-Ku, Tokyo, 108-0023, Japan Tel: 81-3-5419-2668 Fax: 81-3-5419-0018 jpservices@apacer.com Apacer Technology B.V. Science Park Eindhoven 5051 5692 EB Son, The Netherlands Tel: 31-40-267-0000 Fax: 31-40-290-0686 sales@apacer.nl China India Apacer Electronic (Shanghai) Co., Ltd Room D, 22/FL, No.2, Lane 600, JieyunPlaza, Tianshan RD, Shanghai, 200051, China Tel: 86-21-6228-9939 Fax: 86-21-6228-9936 sales@apacer.com.cn Apacer Technologies Pvt Ltd, 1874, South End C Cross, 9th Block Jayanagar, Bangalore-560069, India Tel: 91-80-4152-9061/62 Fax: 91-80-4170-0215 sales_india@apacer.com 19 © 2021 Apacer Technology Inc.