Transcend SSD25 User manual

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2.5” Solid State Disk

Transcend Information Inc.

V1.08

Description

Due to smaller size (fit the standard dimensions of

2.5” IDE Hard Disk Drives), huge capacity, high

speed, and low power consumption, Solid State Disk

is perfect replacement storage device for PCs,

Laptops, gaming systems, and handheld devices.

Placement

Features

• RoHS compliant

•Fully compatible with devices and OS that support the

IDE standard (44-Pin, pitch = 2.00 mm)

•Non-volatile Flash Memory for outstanding data

retention

•Built-in ECC (Error Correction Code) functionality and

wear-leveling algorithm ensures highly reliable of data

transfer

•Supports up to Ultra DMA Mode 5

•Shock resistance

Dimensions

Side Millimeters Inches

A 100.00 ±0.40 3.937 ±0.016

B 69.85 ±0.20 2.750 ±0.008

C 7.20 ±0.15 0.288 ±0.004

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2.5” Solid State Disk

Transcend Information Inc.

V1.08

Specifications

Physical Specification

Form Factor 2.5-inch HDD

Storage Capacities 8 GB to 128 GB

Length 100.0 0 ±0.40

Width 69.85 ±0.20

Dimensions (mm)

Height 7.20 ±0.15

Input Voltage 3.3V/5V ±5%

Weight 90g ±5g

Connector 44-Pin standard IDE/ATA connector (Pitch 2.0 mm)

Environmental Specifications

Operating Temperature 0 ℃to 70 ℃

Storage Temperature - 40 ℃to 85 ℃

Power Requirements

Input Voltage 5V ±5% @25℃

Mode Max. (mA) Max. (W)

Write(peak) 325.5 1.6

Read(peak) 295.7 1.5

Power Consumption

(8/16/32GB) Idle(peak) 156.8 0.8

Write(peak) 354.8 1.8

Read(peak) 312.6 1.6

Power Consumption

(64/128GB) Idle(peak) 156.3 0.8

Interface Specification

Jumper Settings Master/Slave/Cable-select Settings

ATA/ATAPI 6

ATA Compatibility UDMA Modes 5

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2.5” Solid State Disk

Transcend Information Inc.

V1.08

Performance

Model P/N Sequential Read(Max.) Sequential Write(Max.)

TS8GSSD25-S 74 MB/s 62 MB/s

TS16GSSD25-S 74 MB/s 62 MB/s

TS32GSSD25-M 74 MB/s 45 MB/s

TS32GSSD25-S 74 MB/s 62 MB/s

TS64GSSD25-M 75 MB/s 45 MB/s

TS64GSSD25-S 80 MB/s 70 MB/s

TS128GSSD25-M 68 MB/s 46 MB/s

Actual Capacity

Model P/N User Max. LBA Cylinder Head Sector

TS8GSSD25-S 15,604,848 15,498 16 63

TS16GSSD25-S 31,244,288 16,383 16 63

TS32GSSD25-S 63,078,400 16,383 16 63

TS32GSSD25-M 62,521,344 16,383 16 63

TS64GSSD25-S 126,189,568 16,383 16 63

TS64GSSD25-M 125,206,528 16,383 16 63

TS128GSSD25-M 252,411,904 16,383 16 63

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2.5” Solid State Disk

Transcend Information Inc.

V1.08

* Note: Reference to the IEC 60068-2-6 Testing procedures; Operating-Sine wave, 5-800Hz/1 oct., 1.5mm, 3g, 0.5

hr./axis, total 1.5 hrs.

* Note: Reference to the IEC 60068-2-27 Testing procedures; Operating-Half-sine wave, 1500g, 0.5ms, 3 times/dir., total

18 times.

Reliability

Data Reliability Supports BCH ECC 8 bits in 512 bytes

Data Retention 10 years

MTBF 1,000,000 hours

Vibration

Operating 3.0G, 5 - 800Hz

Non-Operating 3.0G, 5 - 800Hz

Shock

Operating 1500G, 0.5ms

Non-Operating 1500G, 0.5ms

Regulations

Compliance CE, FCC and BSMI

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2.5” Solid State Disk

Transcend Information Inc.

V1.08

Package Dimensions

Below figure illustrates the Transcend 2.5” Solid State Disk. All dimensions are in mm.

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2.5” Solid State Disk

Transcend Information Inc.

V1.08

Pin Assignments

Pin No. Pin Name Pin No. Pin Name

01 -RESET 02 GND

03 DD7 04 DD8

05 DD6 06 DD9

07 DD5 08 DD10

09 DD4 10 DD11

11 DD3 12 DD12

13 DD2 14 DD13

15 DD1 16 DD14

17 DD0 18 DD15

19 GND 20 KEY-PIN (OPEN)

21 DMARQ 22 GND

23 -DIOW : STOP 24 GND

25 -DIOR : -HDMARDY : HSTROBE 26 GND

27 IORDY : DDMARDY : DSTROBE 28 CSEL

29 -DMACK 30 GND

31 INTRQ 32 IOCS16B

33 DA1 34 -PDIAG : -CBLID

35 DA0 36 DA2

37 -CS0 38 -CS1

39 -DASP 40 GND

41 VCC 42 VCC

43 GND 44 NC (No Connect)

Pin Layout

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2.5” Solid State Disk

Transcend Information Inc.

V1.08

Block Diagram

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2.5” Solid State Disk

Transcend Information Inc.

V1.08

Reliability

Wear-Leveling algorithm

The controller supports static/dynamic wear leveling. When the host writes data, the controller will find and use the block

with the lowest erase count among the free blocks. This is known as dynamic wear leveling. When the free blocks' erase

count is higher than the data blocks', it will activate the static wear leveling, replacing the not so frequently used user

blocks with the high erase count free blocks.

ECC algorithm

The controller use BCH8 ECC algorithm per 512 bytes. BCH8 can correct up to 8 random error bits within 512 data

bytes.

Bad-block management

When the flash encounters ECC failed, program fail or erase fail, the controller will mark the block as bad block to

prevent the used of this block and caused data lost later on.

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2.5” Solid State Disk

Transcend Information Inc.

V1.08

Support ATA/ATAPI Command List

PARAMETERS USED

Command Name Code

SC SN CY DR HD FT

CHECK POWER MODE E5h X X X O X X

EXECUTE DIAGNOSTICS 90h X X X O X X

FLUSH CACHE E7h X X X O O X

FLUSH CACHE EXT EAh X X X O O X

IDENTIFY DEVICE ECh X X X O X X

IDLE E3h O X X O X X

IDLE IMMEDIATE E1h X X X O X X

INITIALIZE DEVICE PARAMETERS 91h O X X O O X

READ BUFFER E4h X X X O X X

READ DMA C8h or C9h O O O O O X

READ DMA EXT 25h O O O O O X

READ FPDMA QUEUED 60h O O O O O O

READ LOG EXT 2Fh O O O O O O

READ MULTIPLE C4h O O O O O X

READ MULTIPLE EXT 29h O O O O O X

READ SECTOR(S) 20h or 21h O O O O O X

READ SECTOR(S) EXT 24h O O O O O X

READ VERIFY SECTOR(S) 40h or 41h O O O O O X

READ VERIFY SECTOR(S) EXT 42h O O O O O X

RECALIBRATE 10h X X X O X X

SECURITY DISABLE PASSWORD F6h X X X O X X

SECURITY ERASE PREPARE F3h X X X O X X

SECURITY ERASE UNIT F4h X X X O X X

SECURITY FREEZE LOCK F5h X X X O X X

SECURITY SET PASSWORD F1h X X X O X X

SECURITY UNLOCK F2h X X X O X X

SEEK 7xh X X O O O X

SET FEATURES EFh O X X O X O

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2.5” Solid State Disk

Transcend Information Inc.

V1.08

SET MULTIPLE MODE C6h O X X O X X

SLEEP E6h X X X O X X

SMART B0h X X O O X O

STANDBY E2h X X X O X X

STANDBY IMMEDIATE E0h X X X O X X

WRITE BUFFER E8h X X X O X X

WRITE DMA CAh or CBh O O O O O X

WRITE DMA EXT 35h O O O O O X

WRITE DMA FUA EXT 3Dh O O O O O X

WRITE FPDMA QUEUED 61h O O O O O O

WRITE MULTIPLE C5h O O O O O X

WRITE MULTIPLE EXT 39h O O O O O X

WRITE MULTIPLE FUA EXT CEh O O O O O X

WRITE SECTOR(S) 30h or 31h O O O O O X

WRITE SECTOR(S) EXT 34h O O O O O X

Note:

O = Valid, X = Don't care

SC = Sector Count Register

SN = Sector Number Register

CY = Cylinder Low/High Register

DR = DEVICE SELECT Bit (DEVICE/HEAD Register Bit 4)

HD = HEAD SELECT Bit (DEVICE/HEAD Register Bit 3-0)

FT = Features Register

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