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ISL4485EIB Datasheet

  • ISL4485EIB

  • 【15kV ESD Protected, 20Mbps, 5V, Low Power, RS-485/RS-422 T...

  • 11頁

  • INTERSIL   INTERSIL

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廬
ISL4485E
Data Sheet
April 21, 2005
FN6049.3
鹵
15kV ESD Protected, 20Mbps, 5V, Low
Power, RS-485/RS-422 Transceiver
The Intersil ISL4485E is a high speed, BiCMOS 5V
powered, single transceiver that meets both the RS-485 and
RS-422 standards for balanced communication. Each driver
output/receiver input is protected against 鹵15kV ESD
strikes, without latch-up. Unlike competitive devices, this
Intersil device is specified for 10% tolerance supplies (4.5V
to 5.5V).
The excellent differential output voltage coupled with high
drive-current output stages allow 20Mbps operation over
twisted pair networks up to 450 feet in length. The 25k鈩?/div>
receiver input resistance presents a 鈥渟ingle unit load鈥?to the
RS-485 bus, allowing up to 32 transceivers on the network.
Receiver (Rx) inputs feature a 鈥渇ail-safe if open鈥?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.
The half duplex configuration multiplexes the Rx inputs and
Tx outputs to allow transceivers with Rx and Tx disable
functions in 8 lead packages.
Features
鈥?/div>
Pb-Free Available (RoHS Compliant)
鈥?High Data Rates. . . . . . . . . . . . . . . . . . . . . up to 20Mbps
鈥?RS-485 I/O Pin ESD Protection . . . . . . . . . .
鹵
15kV HBM
- Class 3 ESD Level on all Other Pins . . . . . . >7kV HBM
鈥?Operates from a Single +5V Supply (10% Tolerance)
鈥?1 Unit Load Allows up to 32 Devices on the Bus
鈥?Low Quiescent Current . . . . . . . . . . . . . . . . . . . . . 700
碌
A
鈥?-7V to +12V Common Mode Input Voltage Range
鈥?Three State Rx and Tx Outputs
鈥?30ns Propagation Delays, 2ns Skew
鈥?Current Limiting and Thermal Shutdown for driver
Overload Protection
Applications
鈥?SCSI 鈥淔ast 20鈥?Drivers and Receivers
鈥?Data Loggers
鈥?Security Networks
鈥?Building Environmental Control Systems
鈥?Industrial/Process Control Networks
鈥?Level Translators
Ordering Information
PART NO.
(BRAND)
ISL4485EIB
(4485EIB)
ISL4485EIBZ
(4485EIBZ)
(See Note)
ISL4485EIB-T
(4485EIB)
ISL4485EIBZ-T
(4485EIBZ)
(See Note)
TEMP.
RANGE (
o
C)
-40 to 85
-40 to 85
PACKAGE
8 Ld SOIC
8 Ld SOIC
(Pb-free)
8 Ld SOIC
Tape & Reel
8 Ld SOIC
Tape & Reel
(Pb-free)
PKG. DWG. #
M8.15
M8.15
Pinout
ISL4485E (SOIC)
TOP VIEW
RO 1
RE 2
DE 3
8
7
6
D
5
V
CC
B/Z
A/Y
GND
R
-40 to 85
-40 to 85
M8.15
M8.15
DI 4
NOTE: Intersil Pb-free products employ special Pb-free material sets;
molding compounds/die attach materials and 100% matte tin plate
termination finish, which are 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.
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 漏 Intersil Americas Inc. 2004, 2005. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.

ISL4485EIB 產(chǎn)品屬性

  • 98

  • 集成電路 (IC)

  • 接口 - 驅(qū)動器，接收器，收發(fā)器

  • -

  • 收發(fā)器

  • 1/1

  • RS422，RS485

  • 4.5 V ~ 5.5 V

  • 表面貼裝

  • 8-SOIC（0.154"，3.90mm 寬）

  • 8-SOICN

  • 管件

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