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ISL33001IBZ Fiches technique(PDF) 1 Page - Intersil Corporation

No de pièce ISL33001IBZ
Description  I2C Bus Buffer with Rise Time Accelerators and Hot Swap Capability
Download  19 Pages
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Fabricant  INTERSIL [Intersil Corporation]
Site Internet  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL33001IBZ Fiches technique(HTML) 1 Page - Intersil Corporation

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CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2010. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
I2C Bus Buffer with Rise Time Accelerators and
Hot Swap Capability
ISL33001, ISL33002, ISL33003
The ISL33001, ISL33002, ISL33003 2-Channel Bus
Buffers provide the necessary buffering for extending the
bus capacitance beyond the 400pF maximum specified
by the I2C specification. In addition, the ISL33001,
ISL33002, ISL33003 feature rise time accelerator
circuitry to reduce power consumption from passive bus
pull-up resistors and improve data-rate performance. All
devices also include hot swap circuitry to prevent
corruption of the data and clock lines when I2C devices
are plugged into a live backplane and level translation for
mixed supply voltage applications.
The ISL33001, ISL33002, ISL33003 operates at supply
voltages from +2.3V to +5.5V at a temperature range of
-40°C to +85°C.
Related Literature* (see page 15)
• AN1543, “ISL33001EVAL1Z, ISL33002EVAL1Z,
ISL33003EVAL1Z Evaluation Board Manual”
Features
• 2 Channel I2C Compatible Bi-Directional Buffer
• +2.3VDC to +5.5VDC Supply Range
• >400kHz Operation
• Bus Capacitance Buffering
• Rise Time Accelerators
• Hot-Swapping Capability
• ±6kV Class 3 HBM ESD Protection On All Pins
• ±12kV HBM ESD Protection on SDA/SCL Pins
• Enable Pin (ISL33001 and ISL33003)
• Logic Level Translation (ISL33002 and ISL33003)
• READY Logic Pin (ISL33001)
• Accelerator Disable Pin (ISL33002)
• Pb-Free (RoHS Compliant) 8 Ld SOIC (ISL33001
only), 8 Ld TDFN (3mmx3mm) and 8 Ld MSOP
packages
• Low Quiescent Current . . . . . . . . . . . . . 2.2mA typ
• Low Shutdown Current . . . . . . . . . . . . . . 0.5µA typ
Applications*(see page 15)
•I2C Bus Extender and Capacitance Buffering
• Server Racks for Telecom, Datacom, and Computer
Servers
•Desktop Computers
• Hot-Swap Board Insertion and Bus Isolation
Typical Operating Circuit
Bus Accelerator Performance
Summary of Features
PART
NUMBER
LEVEL
TRANSLATION
ENABLE
PIN
READY
PIN
ACCELERATOR
DISABLE
ISL33001
No
Yes
Yes
No
ISL33002
Yes
No
No
Yes
ISL33003
Yes
Yes
No
No
GND
SDA
SCL
+3.3V
VCC2
µC
BACK
PLANE
ISL33003
EN
VCC1
+5.0V
DEVICE
SDA
SCL
I2C
DEVICE
A
B
I2C
TIME (2µs/DIV)
100kHz I2C BUS WITH 2.7kΩ PULL-UP RESISTOR
AND 400pF BUS CAPACITANCE
WITHOUT BUFFER
WITH BUFFER
September 30, 2010
FN7560.2


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