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ISL4486IUZ Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL4486IUZ Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 11 page 1 ® FN6060.2 ISL4486, ISL81486 5V, Ultra High Speed, PROFIBUS®, RS-485/RS-422 Transceivers The Intersil ISL4486 and ISL81486 are BiCMOS, 5V powered, single transceivers that meet both the RS-485 and RS-422 standards for balanced communication, and feature the larger output voltage and higher data rate - up to 40Mbps - required by high speed PROFIBUS applications. Unlike competitive products, these Intersil devices are specified for 10% tolerance supplies (4.5V to 5.5V) and deliver at least a 2.3V differential output voltage over this supply range. At the 5% tolerance specified by many competitors, the ISL4486 delivers an unsurpassed 2.5V differential signal into a 54 Ω total load. This translates into longer reach, or better data integrity, at the exceptional 40Mbps data rate. SCSI applications benefit from the ISL4486’s low receiver and transmitter part-to-part skews, which make it perfect for high speed parallel applications where large numbers of bits must be simultaneously captured. The low bit-to-bit skew eases the timing constraints on the data latching signal. These devices present a “0.6 unit load” to the RS-485 bus, which allows up to 50 transceivers on the network. Receiver (Rx) inputs feature a “fail-safe if open” design, which ensures a logic high Rx output if Rx inputs are floating. Driver (Tx) outputs are short circuit protected, even for voltages exceeding the power supply voltage. Additionally, on-chip thermal shutdown circuitry disables the Tx outputs to prevent damage if power dissipation becomes excessive. Features • Specified for 10% Tolerance Supplies • High Data Rates ISL4486 . . . . . . . . . . . . . . . . . . . . . . . . . . up to 40Mbps ISL81486 . . . . . . . . . . . . . . . . . . . . . . . . . up to 30Mbps • Large Differential Output Voltage . . . . . . . . . . 3V into 54 Ω • Low Bit-to-Bit (Part-to-Part) Skew for Parallel Applications • 0.6 Unit Load Allows up to 50 Devices on the Bus • ISL81486 is a Drop-In Replacement for the ADM1486 • Low Quiescent Current . . . . . . . . . . . . . . . . . . . . . 800µA • -7V to +12V Common Mode Input Voltage Range • Three-State Rx and Tx Outputs • 14ns (Max) Propagation Delays, 2ns (Max) Skew • Operates from a Single +5V Supply (10% Tolerance) • Current Limiting and Thermal Shutdown for driver Overload Protection • Pb-free available Applications • SCSI “Fast 40” Drivers and Receivers • PROFIBUS DP and FMS Networks • Factory Automation • Field Bus Networks • Security Networks • Building Environmental Control Systems • Industrial/Process Control Networks Ordering Information PART NO. (BRAND) TEMP. RANGE (°C) PACKAGE PKG. DWG. # ISL4486IB (4486IB) -40 to 85 8 Ld SOIC M8.15 ISL4486IBZ (4486IB) (See Note) -40 to 85 8 Ld SOIC (Pb-free) M8.15 ISL4486IU (4486) -40 to 85 8 Ld MSOP M8.118 ISL4486IUZ (4486) (See Note) -40 to 85 8 Ld MSOP (Pb-free) M8.118 ISL81486IB (81486IB) -40 to 85 8 Ld SOIC M8.15 ISL81486IBZ (81486IB) (See Note) -40 to 85 8 Ld SOIC (Pb-free) M8.15 ISL81486IU (1486) -40 to 85 8 Ld MSOP M8.118 ISL81486IUZ (1486) (See Note) -40 to 85 8 Ld MSOP (Pb-free) M8.118 *Add “-T” suffix to part number for tape and reel packaging. NOTE: Intersil Pb-free products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which is compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J Std-020B. Pinout ISL4486, ISL81486 (SOIC, MSOP) TOP VIEW RO RE DE DI 1 2 3 4 8 7 6 5 VCC B/Z A/Y GND D R Data Sheet August 2004 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2004. All Rights Reserved All other trademarks mentioned are the property of their respective owners. |
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