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SH3301FB Schematic ( PDF Datasheet ) - Semtech Corporation

Teilenummer SH3301FB
Beschreibung USB-Adapt SH3301 IC Converts PS/2 Data to USB
Hersteller Semtech Corporation
Logo Semtech Corporation Logo 




Gesamt 8 Seiten
SH3301FB Datasheet, Funktion
USB-Adapt™ SH3301
IC Converts PS/2 Data to USB
HID & SYSTEM MANAGEMENT PRODUCTS, SYSTEM MANAGEMENT FAMILY PRELIMINARY
DESCRIPTION
The USB-Adapt™ SH3301 is a
single IC that converts PS/2
keyboard and mouse data to
USB 1.1.
The USB-Adapt™ is ideal for
system legacy support, enabling
seamless connection of standard
PS/2 devices (mice or keyboards)
to USB.
The IC offers two hot-pluggable
and hot-swappable PS/2 ports;
either port can accept a mouse or
a keyboard. In addition, the USB-
Adapt™ auto-detects and
transparently supports the wheel
function of wheel mice.
FEATURES
• Interfaces PS/2 devices to USB
• Complies with USB 1.1
specification
• Provides two PS/2 ports
• PS/2 ports support mouse wheel
functionality
• Works with standard Windows
keyboard and mouse drivers
APPLICATIONS
• System legacy support
PIN ASSIGNMENTS
• Devices are hot-pluggable
• PS/2 ports are auto-selectable and
hot-swappable – a mouse or
keyboard can be used in either
port
• Easy to implement
• Few external components required
N/C
N/C
N/C
N/C
VDD
VSS1
XOUT
XIN
VSS
EPS2CLK0
EPS2DAT0
1
2
3
4
5
6
7
8
9
10
11
SH3301FB
QFP
33 N/C
32 N/C
31 N/C
30 N/C
29 N/C
28 N/C
27 N/C
26 N/C
25 N/C
24 N/C
23 N/C
Semtech is a registered trademark of Semtech
Corporation. USB-Adapt is a trademark of
Semtech Corporation. All other trademarks
belong to their respective companies.
Copyright ©1999-2002 Semtech Corporation
SH3301-DS-101
1
www.semtech.com






SH3301FB Datasheet, Funktion
ELECTRICAL SPECIFICATIONS
Absolute Maximum Ratings
Ratings
Supply voltage
Input and output voltage
Current Drain per Pin
(not including VSS or VDD)
Operating Temperature
SH3301
Storage Temperature Range
ESD rating (human body model)
Symbol
VDD
VIN, VOUT
I
TA
TSTG
VESD
Value
-0.3 to 6.5
-0.3 to VDD +0.3
20
T low to T high
-40 to +85
-65 to +150
2.0
DC Electrical Characteristics (TA = -40°C to +85°C, VDD = 4.0 V to 5.25V)
Characteristic
Symbol
Min
Typ
Supply voltage
VDD 4.0
5.0
Input high voltage
high
VIH 0.8 X VDD
low VIL VSS
Output voltage (except D-, D+)
high (IOH=-200µa)
VOH VDD–1.0
low (IOL=1ma)
VOL
Output low current
(VOL=3V, only pins38, 39, 67)
IOL
8
15
Input leakage current
high (all inputs except XIN, XOUT,
RESET, D+, D-)
ILIH1
high (XIN, XOUT, RESET)
ILIH2
low (all inputs except XIN, XOUT,
RESET, D+, D-)
ILIL1
low (XIN, XOUT, RESET)
ILIL2
Output leakage current (all I/O pins
and output pins except D+, D-)
high
ILOH1
low ILOL
Supply current
Normal operation mode
IDD1
5.5
Idle mode
IDD2
2.2
Stop mode
IDD3
180
Control Timing (TA = -40°C to +85°C, VDD = 4.0 V to 5.25V)
Characteristic
Symbol
Min
Frequency of Operation
Crystal Option
fOSC
External Clock Option
fosc
Typ
6.0
6.0
Max
5.25
VDD
0.2 x VDD
0.4
23
3
20
-3
-20
3
-3
12
5
300
Max
Unit
V
V
mA
°C
°C
KV
Unit
V
V
V
V
mA
µA
µA
µA
µA
µA
µA
mA
mA
µA
Unit
MHz
MHz
Copyright ©1999-2002 Semtech Corporation
SH3301-DS-101
6
www.semtech.com

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