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ISL33001IRTZ Arkusz danych(PDF) 1 Page - Intersil Corporation |
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ISL33001IRTZ Arkusz danych(HTML) 1 Page - Intersil Corporation |
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1 / 19 page  1 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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