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ISL81486 PDF Data sheet ( 特性 )

部品番号 ISL81486
部品説明 5V/ Ultra High Speed/ PROFIBUS/ RS-485/RS-422 Transceivers
メーカ Intersil Corporation
ロゴ Intersil Corporation ロゴ 



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ISL81486 Datasheet, ISL81486 PDF,ピン配置, 機能
®
Data Sheet
ISL4486, ISL81486
December 2003
FN6060
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 54total 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.
Ordering Information
TEMP.
PART NO. (BRAND) RANGE (oC) PACKAGE
ISL4486IB (4486IB)
-40 to 85 8 Ld SOIC
PKG.
DWG. #
M8.15
ISL4486IB-T (4486IB)
ISL4486IU (4486)
ISL4486IU-T (4486)
ISL81486IB (81486IB)
ISL81486IB-T (81486IB)
ISL81486IU (1486)
-40 to 85
-40 to 85
-40 to 85
-40 to 85
-40 to 85
-40 to 85
8 Ld SOIC
M8.15
(Tape and Reel)
8 Ld MSOP
M8.118
8 Ld MSOP
M8.118
(Tape and Reel)
8 Ld SOIC
M8.15
8 Ld SOIC
M8.15
(Tape and Reel)
8 Ld MSOP
M8.118
ISL81486IU-T (1486)
-40 to 85 8 Ld MSOP
M8.118
(Tape and Reel)
Features
• Specified for 10% Tolerance Supplies
• High Data Rates
ISL4486 . . . . . . . . . . . . . . . . . . . . . . . . . . up to 40Mbps
ISL81486 . . . . . . . . . . . . . . . . . . . . . . . . . up 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 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
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
Pinout
ISL4486, ISL81486 (SOIC, MSOP)
TOP VIEW
RO 1
RE 2
DE 3
DI 4
R
D
8 VCC
7 B/Z
6 A/Y
5 GND
1 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. 2003. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

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