Transcend 40GB Portable Hard Disk TS40GHDENC User manual

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40GB Portable Hard Disk
Transcend Information Inc.
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Description
TS40GHDENC is a USB 2.0 40GB Portable Hard Disk.
This device is a 40GB 2.5” hard disk drive (HDD)
installed in a Portable Hard Disk Enclosure. It is
designed to expedite exchanging huge amounts of data
between this device and any desktop or notebook
computers.
Placement
™
System Requirements
•Desktop or notebook computers with USB port
•One of following operating systems:
Win
®
98, Win Me, Win 2000, Win XP, Mac OS
® ® ®
Features
•100% Compatible with USB Interface in Windows or Mac
•Single Power Supply: 5V ±10%
•Connector Durability: 10000 times
•Recommended operating temperature : 0 – 50 ℃
•USB connection for true Plug and Play
•Supports Resume Suspend and Low power modes
•Compliant with USB specification version 1.1 & 2.0
•Support 2.5” hard disk drive (Height: 9.5mm)
•USB bus power or PS/2 port power needed.
•LEDs indicate Power On and Data Traffic
Dimensions
Side Millimeters Inches
A 145.00 ±1.00 5.71±0.04
B 80.00 ±1.00 3.15 ±0.04
C 17.00 ±1.00 0.67 ±0.04

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40GB Portable Hard Disk
Transcend Information Inc.
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Block Diagram
Control signal
USB IDE
Interface
Controller
USB Connector
D0~D15
/WE
/RE
40GB
HDD
...
USB-
USB+
D0~D15
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
VSS Ground
VCC USB power input
Crystal
12MHz

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40GB Portable Hard Disk
Transcend Information Inc.
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Electrical Characteristics
Absolute Maximum Ratings
Recommended Operation Conditions
Electrical Characteristics

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40GB Portable Hard Disk
Transcend Information Inc.
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HDD Physical Specifications:
Dimensions Unit
Height 9.5 mm
Weight 70 mm
Depth 100 mm
Weight 91 g
Temperature Unit
Operating 5 ~ 55
℃
Non-Operating -40 ~ 70
℃
Relative Humidity Unit
Operating 5 ~ 90 %
Non-Operating 5 ~ 95 %
Power Requirements(Supply voltage 5V ±5%):
Power consumption Unit
Seek current 0.45 A
Spin-up current 0.90 A
Idle current 0.13 A
Read/Write current 0.40 A
Sleep current 0.02 A
Stand-by current 0.03 A
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.