Details, datasheet, quote on part number: ISL4486IU
PartISL4486IU
CategoryInterface and Interconnect => RS-485/RS-422
Description5V, 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 Total Load. This Translates Into Longer Reach, or Better Data Integrity, at The Exceptional 40Mbps Data Rate.
CompanyIntersil Corporation
DatasheetDownload ISL4486IU datasheet
Cross ref.Similar parts: SN65HVD3082E, SN65HVD3085E, SN65HVD3088E, SN65HVD485E
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Packages8 Ld MSOP
  

 

Features, Applications

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 40Mbps - required by high speed PROFIBUS applications. Unlike competitive products, these Intersil devices are specified for 10% tolerance supplies 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 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 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 to 30Mbps Large Differential Output Voltage. 3V into 54 Low Bit-to-Bit (Part-to-Part) Skew for Parallel Applications 0.6 Unit Load Allows to 50 Devices on the Bus is a Drop-In Replacement for the ADM1486 Low Quiescent Current. 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

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

PART NO. (BRAND) ISL81486IU-T (1486) TEMP. RANGE (C) to 85 PACKAGE 8 Ld SOIC PKG. DWG. # M8.15

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 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.

TRANSMITTING INPUTS 0 X OUTPUTS B/Z 0 1 High-Z A/Y 1 0 High-Z RE INPUTS DE A-B +0.2V -0.2V Inputs Open X

PIN DE DI GND A/Y B/Z VCC FUNCTION Receiver output: by at least RO is high; 0.2V or more, RO is low; RO = High if A and B are unconnected (floating). Receiver output enable. RO is enabled when RE is low; RO is high impedance when RE is high. Driver output enable. The driver outputs, Y and Z, are enabled by bringing DE high. They are high impedance when DE is low. Driver input. A low on DI forces output Y low and output Z high. Similarly, a high on DI forces output Y high and output Z low. Ground connection. RS-485/422 level, noninverting receiver input and noninverting driver output. Pin is an input (A) = 0; pin is an output (Y) 1. RS-485/422 level, inverting receiver input and inverting driver output. Pin is an input (B) = 0; pin is an output (Z) = 1. System power supply input to 5.5V).

VCC to Ground. 7V Input Voltages DI, DE, RE. to 7V Input/Output Voltages A/Y, B/Z. to +12.5V RO. -0.5V to (VCC +0.5V) Short Circuit Duration Y, Z. Continuous

8 Ld SOIC Package. 8 Ld MSOP Package. 140 Maximum Junction Temperature (Plastic Package). 150C Maximum Storage Temperature Range. to 150C Maximum Lead Temperature (Soldering 10s). 300C (Lead Tips Only)

CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

NOTE: JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details. Electrical Specifications Test Conditions: VCC to 5.5V; Unless Otherwise Specified. Typicals are at VCC = 25C, Note 2 SYMBOL TEST CONDITIONS TEMP (C) MIN TYP MAX UNITS

PARAMETER DC CHARACTERISTICS Driver Differential VOUT (no load) Driver Differential VOUT (with load)

Change in Magnitude of Driver Differential VOUT for Complementary Output States Driver Common-Mode VOUT Change in Magnitude of Driver Common-Mode VOUT for Complementary Output States Logic Input High Voltage Logic Input Low Voltage Logic Input Current Input Current (A/Y, B/Z) (Note 5)

Receiver Differential Threshold Voltage Receiver Input Hysteresis Receiver Output High Voltage Receiver Output Low Voltage Three-State (high impedance) Receiver Output Current Receiver Input Resistance No-Load Supply Current (Note 3)


 

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