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ISL3179EFRZ Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL3179EFRZ Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 17 page 1 ® FN6365.2 ISL3179E, ISL3180E High ESD Protected, +125°C, 40Mbps, 3.3V, Full Fail-Safe, RS-485/RS-422 Transceivers Intersil’s ISL3179E and ISL3180E are high ESD Protected (see Table 1 below), 3.3V powered, single transceivers that meet both the RS-485 and RS-422 standards for balanced communication. Each device has low bus currents (+220µA/-150µA), so it presents a “1/5 unit load” to the RS-485 bus. This allows up to 160 transceivers on the network without violating the RS-485 specification’s 32 unit load maximum, and without using repeaters. Receiver (Rx) inputs feature a “Full Fail-Safe” design, which ensures a logic high Rx output if Rx inputs are floating, shorted, or terminated but undriven. The ISL3180E is configured for full duplex applications. The ISL3179E half duplex version multiplexes the Rx inputs and Tx outputs to allow a transceiver with an output disable function in 8 Ld packages. Hot Plug circuitry ensures that the Tx and Rx outputs remain in a high impedance state while the power supply stabilizes. Features • High ESD Protection on RS-485 I/O Pins - ISL3179E . . . . . . . . . . . . . . . . . . . . . ±16.5kV IEC61000 - ISL3180E . . . . . . . . . . . . . . . . . . . . . . . . . . ±12kV HBM - Class 3 HBM ESD Level on all Other Pins . . . . . . . >9kV • Specified for +125°C Operation • High Data Rates . . . . . . . . . . . . . . . . . . . . . . up to 40Mbps • 5V Tolerant Logic Inputs • 1/5 Unit Load Allows up to 160 Devices on the Bus • Full Fail-Safe (Open, Shorted, Terminated/Undriven) Receiver • Hot Plug - Tx and Rx Outputs Remain Three-State During Power-Up • Low Quiescent Current . . . . . . . . . . . . . . . . . . 4mA (Max) • Low Current Shutdown Mode. . . . . . . . . . . . . . 1µA (Max) • -7V to +12V Common Mode Input Voltage Range • Three-State Rx and Tx Outputs • 16/16.5ns (Max) Tx/Rx Propagation Delays; 1.5ns (Max) Skew • Operates from a Single +3.3V Supply (10% Tolerance) • Current Limiting and Thermal Shutdown for driver Overload Protection • Pb-Free (RoHS Compliant) Applications • Motor Controller/Position Encoder Systems • Factory Automation • Field Bus Networks • Security Networks • Building Environmental Control Systems • Industrial/Process Control Networks Ordering Information PART NUMBER (Note) PART MARKING # TEMP. RANGE (°C) PACKAGE (Pb-Free) PKG. DWG. # ISL3179EFBZ* 3179 EFBZ -40 to +125 8 Ld SOIC M8.15 ISL3179EFUZ* 179FZ -40 to +125 8 Ld MSOP M8.118 ISL3179EFRZ* 79FZ -40 to +125 10 Ld DFN L10.3x3C ISL3179EIBZ* 3179 EIBZ -40 to +85 8 Ld SOIC M8.15 ISL3179EIUZ* 179IZ -40 to +85 8 Ld MSOP M8.118 ISL3179EIRZ* 79IZ -40 to +85 10 Ld DFN L10.3x3C ISL3180EIBZ* ISL3180 EIBZ -40 to +85 14 Ld SOIC M14.15 *Add “-T” suffix for tape and reel. Please refer to TB347 for details on reel specifications NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate PLUS ANNEAL - e3 termination finish, which is RoHS compliant and 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-020. TABLE 1. SUMMARY OF FEATURES PART NUMBER HALF/FULL DUPLEX DATA RATE (Mbps) RS-485 PIN ESD LEVEL HOT PLUG? RX/TX ENABLE? QUIESCENT ICC (mA) LOW POWER SHUTDOWN? PIN COUNT ISL3179E HALF 40 16.5kV IEC61000 YES YES 2.6 YES 8, 10 ISL3180E FULL 40 12kV HBM YES YES 2.6 YES 14 Data Sheet April 22, 2008 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. 2007, 2008. All Rights Reserved All other trademarks mentioned are the property of their respective owners. |
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