APS25M5S032G-PC [ETC]

Serial ATA Flash Drive;


型号：	APS25M5S032G-PC
厂家：	ETC
描述：	Serial ATA Flash Drive
文件：	总19页 (文件大小：362K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

RoHS Compliant

Serial ATA Flash Drive

SAFD25M4 Product Specifications

June 13^th, 2013

Version 1.5

Apacer Technology Inc.

9/F, No. 100, Hsin Tai Wu Rd., Hsichih, Taipei Hsien 221, Taiwan

4^thFl., 75 Hsin Tai Wu Rd., Sec.1, Xizhi, New Taipei City, Taiwan 221

Tel: +886-2-2696-1666 Fax: +886-2-2696-1668

Tel: +886-2-2698-2888 Fax: +886-2-2698-2889

www.apacer.com

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

Features:

ꢀ

Standard Serial ATA Revision 2.6

ꢀ

Endurance

–

Serial ATA Revision 2.6

SATA 3.0 Gbps

ATA-compatible command set

ATA modes support

–

4GB: 320 TBW

8GB: 640 TBW

16GB: 1,280 TBW

32GB: 2,560 TBW

64GB: 5,130 TBW

ꢀ

Capacities

–

4, 8, 16, 32, 64 GB

ꢀ

Temperature ranges

–

Operation: 0°C to 70°C (32 ~ 158°F)

Extended: -40°C to 85°C (-40°~ 185°F)

Storage: -40°C to 100°C (-40°~ 212°F)

Performance*

–

Burst read/write: 300 MB/sec

Sustained read: up to 165 MB/sec

Sustained write: up to 150 MB/sec

ꢀ

Supply voltage

5.0 V 5%

–

ꢀ

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

Power consumption (typical)*

Active mode: 335 mA

Idle mode: 95 mA

–

ꢀ

Form factor

2.5 inch” (70.00 x 48.66 x 9.25**, unit: mm)

–

Connector

–

Flash bad-block management

S.M.A.R.T.

Power Failure Management

ATA Secure Erase

TRIM

7-pin SATA signal connector

15-pin SATA power connector

–

ꢀ

Shock & Vibration***

Shock: 1500 G

Vibration: 15 G

–

ꢀ

NAND Flash Type: SLC

ꢀ

RoHS Recast compliant (2011/65/EU)

Write Protect (optional)

–

Enabled by onboard hardware switch

*Varies from capacities. The values addressed for Performance and Power consumptions are typical and may vary depending on settings

and platforms.

**Including the width of the side brackets. Please “Physical Characteristics” for details.

***Non-operating

Notes about TBW: TBW is the abbreviation of Terabytes Written and it serves as an endurance indicator, though results may change due

to external factors in real world applications.

Rev. 1.5

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

Table of Contents

1. Product Description................................................................................................. 3

1.1 Introduction.................................................................................................................................................3

1.2 Functional Block Diagram..........................................................................................................................3

1.3 ATA Mode Support....................................................................................................................................4

1.4 Capacity Specification.................................................................................................................................4

1.5 Performance.................................................................................................................................................4

1.6 Pin Assignments ..........................................................................................................................................5

2. Software Interface .................................................................................................... 7

2.1 Command Set ..............................................................................................................................................7

2.2 S.M.A.R.T.......................................................................................................................................................7

3. Flash Management................................................................................................... 8

3.1 Error Correction/Detection........................................................................................................................8

3.2 Bad Block Management..............................................................................................................................8

3.3 Wear Leveling..............................................................................................................................................8

3.4 Power Failure Management .......................................................................................................................8

3.5 ATA Secure Erase.......................................................................................................................................8

3.6 TRIM............................................................................................................................................................9

4. Environmental Specifications............................................................................... 10

4.1 Environments.............................................................................................................................................10

4.2 Mean Time Between Failures (MTBF)....................................................................................................10

4.3 Certification and Compliance ..................................................................................................................10

4.4 Endurance ...................................................................................................................................................10

5. Electrical Characteristics ...................................................................................... 12

5.1 Operating Voltage.....................................................................................................................................12

5.2 Power Consumption..................................................................................................................................12

6. Physical Characteristics........................................................................................ 13

6.1 Dimensions.................................................................................................................................................13

6.2 Write Protect Switch (optional).................................................................................................................14

7. Product Ordering Information............................................................................... 15

7.1 Product Code Designations ......................................................................................................................15

7.2 Valid Combinations...................................................................................................................................16

Rev. 1.5

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

1. Product Description

1.1 Introduction

Apacer’s Serial ATA Flash Drive (SAFD) is a non-volatile SATA solid-state drive (SSD) that serves as the

ideal boot drive or mass storage device. Compliant with SATA 3.0 Gbps standard, the drive conforms to most

mainstream host system platforms with SATA-compliant interfaces, making it the primary storage solution for

replacing traditional hard disk drive.

SAFD 25M4 drive is designed with a powerful controller, offering capacities of up to 64 gigabytes and

providing full support for the SATA 3.0 Gbps high-speed interface standard. It can operate at sustained

access rates up to 165 megabytes per second, while power consumption remains at minimal level. Regarding

data integrity and memory efficiency, the controller unit of the device handles wear leveling, ECC, bad block

management and power management in urgent situations.

In addition, SAFD 25M4 adopts the global wear-leveling scheme to allow uniform use of all storage blocks,

ensuring that the lifespan of a flash media can be significantly increased and the disk performance is

optimized as well. SAFD 25M4 provides the S.M.A.R.T. feature that follows the SATA Rev. 2.6, ATA/ATAPI

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.

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 the 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

Rev. 1.5

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

1.3 ATA Mode Support

SAFD25M4 provides ATA mode support as follows:

ꢀ

Up to PIO mode-4

Up to Multiword DMA mode-2

Up to UDMA mode-5

1.4 Capacity Specification

Capacity specification of SAFD25M4 product family is available 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

4 GB

Total Bytes*

4,011,614,208

8,012,390,400

16,013,942,784

32,017,047,552

64,023,257,088

Cylinders

7,773

Heads

Sectors

Max LBA*

7,835,184

8 GB

15,525

16,383

15,649,200

31,277,232

62,533,296

125,045,424

16 GB

32 GB

64 GB

*Display of total bytes varies from file systems.

**Cylinders, heads or sectors are not applicable for these capacities. Only LBA addressing applies.

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.

1.5 Performance

Performance of SAFD25M4 is shown in Table 1-2.

Table 1-2 Performance specification

Capacity

4 GB

145

8 GB

155

16 GB

155

32 GB

160

64 GB

165

Performance

Sustained Read

(MB/s)

Sustained Write

(MB/s)

105

145

150

Note: Performance varies from flash configurations or host system settings.

Rev. 1.5

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

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

Signal/Description

GND

RxP

RxN

GND

TxN

Unused (3.3V)

Ground

+ Differential Receive Signal

- Differential Receive Signal

- Differential Transmit Signal

+ Differential Transmit Signal

Ground

TxP

Ground

GND

P10

P11

P12

P13

P14

P15

Ground

Reserved/Ground

Ground

Unused (12V)

Rev. 1.5

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

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 differential pairs also connected to the cable. Notice also

the ground path connecting the shielding of the cable to the Cable Receptacle.

Rev. 1.5

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

2. Software Interface

2.1 Command Set

Table 2-1 summarizes the ATA commands supported by SAFD25M4.

Table 2-1: Command set

Code

E5h

06h

90h

E7h

EAh

Ech

E3h

E1h

91h

C8h

25h

C4h

29h

20h

24h

40h

42h

10h

F6h

Command

Code

F3h

F4h

F5h

F1h

F2h

70h

Efh

Command

Check Power Mode

Data Set Management

Execute Device Diagnostic

Flush Cache

Security Erase Prepare

Security Erase Unit

Security Freeze Lock

Security Set Password

Security Unlock

Seek

Flush Cache EXT

Identify Device

Idle

Set Features

Idle Immediate

C6h

E6h

B0h

E2h

E0h

Cah

35h

C5h

39h

30h

34h

Set Multiple Mode

Sleep

Initialize Device Parameters

Read DMA

SMART

Read DMA EXT

Read Multiple

Standby

Standby Immediate

Write DMA

Read Multiple EXT

Read Sector

Write DMA EXT

Write Multiple

Write Multiple EXT

Write Sector

Read Sector EXT

Read Verify Sectors

Read Verify Sectors EXT

Recalibrate

Write Sector EXT

Security Disable Password

2.2 S.M.A.R.T.

S.M.A.R.T. is an abbreviation for Self-Monitoring, Analysis and Reporting Technology, a self-monitoring

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.

Rev. 1.5

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

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

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. When host performs program/erase command on a

block, bad block may appear in Status Register. Since bad blocks are inevitable, the solution is to keep them

in control. Apacer flash devices are programmed with ECC, block 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.

3.3 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. Wear leveling is an important mechanism that level out the wearing of blocks so that the

wearing-down of blocks can be almost evenly distributed. This will increase the lifespan of SSDs. Commonly

used wear leveling types are Static and Dynamic.

3.4 Power Failure Management

Power Failure Management plays a crucial role when experiencing unstable power supply. Power disruption

may occur when users are storing data into the SSD. In this urgent situation, the controller would run multiple

write-to-flash cycles to store the metadata for later block rebuilding. This urgent operation requires about

several milliseconds to get it done. At the next power up, the firmware will perform a status tracking to retrieve

the mapping table and resume previously programmed NAND blocks to check if there is any incompleteness

of transmission.

3.5 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.

Rev. 1.5

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

3.6 TRIM

TRIM, though in capital letters usually, is a memory computation command rather than an abbreviation. It is

mainly a SATA command that enables the operating system to inform the SSD (Solid State Drive) which

blocks of previously stored data are no longer valid, due to erases by the host or operating system, such as

file deletions or disk formatting. Once notified, SSD will begin the discard of the invalid LBAs and retain more

space for itself, in fact, the discarded is no longer recoverable.

When an LBA is replaced by the operating system, as with overwrite of a file, the SSD is informed that the

originally occupied LBA is determined as no longer in use or invalid. The SSD will not save those blocks in

garbage collected sectors. Noticeably, a file deletion command by host or operating system never actually

erases the actual content, rather, just the file is marked as deleted. This issue is even specifically noticeable

for flash based memory devices, such as SSDs. In fact, an SSD will keep garbage collecting the invalid,

previously occupied LBAs, if it is not informed that these LBAs can be erased. Thus, the SSD would

experience a significant performance downfall.

Rev. 1.5

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

4. Environmental Specifications

4.1 Environments

SAFD25M4 environmental specifications follow the US Military Standard MIL-STD-810F

Table 4-1 SAFD25M4 environmental specifications

Environment

Specification

0°C to 70°C (Operating – Standard), -40°C to 85°C (operating-extended)

Temperature

-40°C to 100°C (Non-operating)

Non-operating: Sine wave, 10~2000(Hz), 15(G), X, Y, Z axis

Vibration

Shock

Operating: Random, 20~2000(Hz), 7.69 G rms, X, Y, Z axis

Non-operating: Half sine wave 1500 (G) X, Y, Z axis

Operating: Half sine wave, 50 (G), X, Y, Z axis

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. The prediction result for the SAFD25M4 is more than 2,000,000 hours.

Notes about MTBF:

The prediction is based on Bellcore analysis method by assuming device failure rate can be generated by the

sum of failure rates in each component.

4.3 Certification and Compliance

SAFD25M4 complies with the following standards:

ꢀ

FCC

RoHS

MIL-STD-810F

4.4 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 flash configuration, wear leveling, Write Amplifications and the number of

P/E cycles, can influence the lifespan of the drive.

Capacity

4 GB

TeraBytes Written

320

640

8 GB

16 GB

1,280

Rev. 1.5

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

32 GB

64 GB

2,560

5,130

Notes:

ꢁ

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) = 1000 GB.

Rev. 1.5

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

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

4 GB

250

8 GB

265

16 GB

320

32 GB

335

64 GB

335

Mode

Active

(mA)

Stand By

(mA)

Note: Power consumptions may vary depending on settings and platforms

Rev. 1.5

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

6. Physical Characteristics

6.1 Dimensions

Unit: mm

Rev. 1.5

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

6.2 Write Protect Switch (optional)

Enable

Disable

Write Protect switch

Description of Apacer Write Protect:

Apacer implements the Virtual Write scheme that allows write commands to go through the flash controller

and data temporarily stored. The OS can then function normally but no data has been actually written into the

flash. Since the Virtual Write scheme runs at device level, it requires no software or driver installation and is

independent from the host OS.

Rev. 1.5

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

7. Product Ordering Information

7.1 Product Code Designations

A P S 25M 5 X x x x x – P X X

Temperature Range

Blank: Standard

W: Extended Temperature

Flash type

T: Toshiba

C: Micron

Version Control

Capacities:

004G =

008G =

4GB

8GB

016G = 16GB

032G = 32GB

064G = 64GB

A: Side bracket

S: Side bracket and Write Protect

Solution version

Mini 2.5” Form Factor

Serial ATA Flash Drive

Apacer Product Code

Rev. 1.5

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

7.2 Valid Combinations

SAFD25M4

Capacity

4GB

Standard

Extended Temperature

APS25M5A004G-PT

APS25M5A008G-PT

APS25M5A016G-PT

APS25M5A032G-PC

APS25M5A064G-PC

APS25M5A004G-PTW

APS25M5A008G-PTW

APS25M5A016G-PTW

APS25M5A032G-PCW

APS25M5A064G-PCW

8GB

16GB

32GB

64GB

SAFD25M4 with Write Protect

Capacity

4GB

Standard

Extended Temperature

APS25M5S004G-PTW

APS25M5S008G-PTW

APS25M5S016G-PTW

APS25M5S032G-PCW

APS25M5S064G-PCW

APS25M5S004G-PT

APS25M5S008G-PT

APS25M5S016G-PT

APS25M5S032G-PC

APS25M5S064G-PC

8GB

16GB

32GB

64GB

Note: Please consult with Apacer sales representatives for availability.

Rev. 1.5

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

Revision History

Description

Revision

0.1

Date

Preliminary Release

11/17/2011

12/02/2011

1/20/2012

07/13/2012

1.0

Official release

1.1

Revised capacity information

1.2

Updated S.M.A.R.T. information

Added Endurance section

1.3

1.4

1.5

Updated Product Ordering Information due to firmware upgrade

Added Write Protect option

08/24/2012

11/02/2012

06/13/2013

Updated Product Ordering Information due to firmware upgrade

Rev. 1.5

Serial ATA Flash Drive

APS25M5Xxxxx-PXX

Global Presence

Apacer Technology Inc.

4^thFl., 75 Hsin Tai Wu Rd., Sec.1

Xizhi, New Taipei City

Taiwan 221

Taiwan (Headquarters)

R.O.C.

Tel: +886-2-2698-2888

Fax: +886-2-2698-2889

amtsales@apacer.com

Apacer Memory America, Inc.

386 Fairview Way, Suite102,

Milpitas, CA 95035

Tel: 1-408-518-8699

Fax: 1-408-935-9611

sa@apacerus.com

U.S.A.

Japan

Europe

China

India

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

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

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

Apacer Technologies Pvt Ltd,

# 535, 1st Floor, 8th cross, JP Nagar 3rd Phase,

Bangalore – 560078, India

Tel: 91-80-4152-9061

sales_india@apacer.com

Rev. 1.5

APS25M5S032G-PC [ETC]

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