Transcend TS120GSJ25T User manual

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IDE HDD Enclosure
Transcend Information Inc.
1
Description
This device is designed to expedite exchanging huge
amounts of data between Transcend StoreJet™ and
any desktop or notebook computer.
Placement
System Requirements
•Desktop or notebook computers with USB port
•One of following operating systems:
WindowsME/2000/XP/Vista, Mac OS 9.0 or above
Linux Kernel 2.4 or above
Features
•Hi-Speed USB 2.0 compliant and USB 1.1 backwards
compatible
•Easy Plug and Play installation
•Ultra-Portability
•High transfer rate up to 480 Mbits per second
•Additional software pack: StoreJet elite (helps you manage
your data)
•OneTouch Auto-Backup function
•No external power or battery needed
•LED indicates the status of power on, data transfer activity,
HDD locked, and HDD Power saving.
•Recommended operating temperature: 5°C ~ 55°C
•Power Management
Dimensions
Side Millimeters Inches
A 129.00 ±1.00 5.08 ±0.04
B 79.90 ±1.00 3.15 ±0.04
C 13.00
±1.00 0.51 ±0.04
Ordering Information
Transcend P/N Memory Size Color
TS0GSJ25S 0GB Silver
TS0GSJ25B 0GB Blue
TS0GSJ25R 0GB Red
TS80GSJ25S 80GB Silver
TS120GSJ25T 120GB Titanium

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IDE HDD Enclosure
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Block Diagram

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Pinouts
Pin No. Pin Name
01 VCC
02 USB-
03 USB+
04 VSS
Pin Identification
Symbol Function
USB-
USB+
USB differential signal
The pairs are used to transmit
Data/Address/Command
VCC USB Cable Power Detector
VSS Ground
Specifications
Environment
Storage Media 2.5 inch IDE Hard Disk
Temperature Operation 5 ℃to 55 ℃
Storage
-40 ℃to 70 ℃
System Performance Read Speed 30 MB/sec (Max.)
Write Speed 26 MB/sec (Max.)
Power Supply USB DC 5 Volt
Size (L x W x H) 129mmx79.9mmx13mm
Weight Without Hard Drive Max. 88g
Humidity 8% to 90% RH
Certificates CE, FCC, BSMI

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Absolute Maximum Ratings
Parameter Description Min. Max. Unit
AVDDH Analog power supply -0.5 6 V
DVDD Digital I/O power supply -0.5 6 V
VI(D) Digital I/O input voltage -0.4 DVDD+0.4 V
TSTORAGE Storage temperature -55 85 ℃
Recommended Power Supply Operation Conditions
Parameter Description Min. Typ. Max. Unit
DVDD Operation digital power supply 3.0 3.3 3.6 V
AVDDH Operation analog power supply 3.0 3.3 3.6 V
TAAmbient operation temperature -10 70
℃
TJJunction temperature 0 125
℃
Recommended External Clock Source Conditions
Parameter Description Min. Typ. Max. Unit
External reference clock 12 MHz
Clock Duty Cycle 45 50 55 %
Power Supply DC Characteristics
Parameter Description Min. Typ. Max. Unit
IDVDD Digital I/O power supply 10 mA
IAVDDH_VR Internal voltage regulator 100 mA
IAVDDH_USB USB Analog Power Supply 30 mA
IAVDDH_SATA SATA Analog Power Supply 20 mA
Above technical information is based on industry standard data and tested to be reliable. However, Transcend makes
no warranty, either expressed or implied, as to its accuracy and assumes no liability in connection with the use of this
product. Transcend reserves the right to make changes in specifications at any time without prior notice.