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ISL4489E_06 Datasheet(PDF) 2 Page - Intersil Corporation

Part No. ISL4489E_06
Description  ±15kV ESD Protected, 1/8 Unit Load, 5V, Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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 2 page
background image
2
FN6074.3
Pinout
ISL4489E, ISL4491E (SOIC)
TOP VIEW
Truth Tables
Ordering Information
PART
NUMBER
PART
MARKING
TEMP.
RANGE (°C)
PACKAGE
PKG.
DWG. #
ISL4489EIB
ISL4489EIB
-40 to 85
14 Ld SOIC
M14.15
ISL4489EIBZ
(Note)
4489EIBZ
-40 to 85
14 Ld SOIC
(Pb-free)
M14.15
ISL4491EIB
ISL4491EIB
-40 to 85
14 Ld SOIC
M14.15
ISL4491EIBZ
(Note)
4491EIBZ
-40 to 85
14 Ld SOIC
(Pb-free)
M14.15
Add “-T” suffix for tape and reel.
NOTE: Intersil Pb-free plus anneal 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.
NC
RO
RE
DE
DI
GND
GND
VCC
NC
A
B
Z
Y
NC
1
2
3
4
5
6
7
14
13
12
11
10
9
8
D
R
TRANSMITTING
INPUTS
OUTPUTS
RE
DE
DI
Z
Y
X
1101
X
1010
X
0
X
High-Z
High-Z
RECEIVING
INPUTS
OUTPUT
RE
DE
A-B
RO
0X
≥ +0.2V
1
0X
≤ -0.2V
0
0
X
Inputs Open
1
1
X
X
High-Z
Pin Descriptions
PIN
FUNCTION
RO
Receiver output: If A > B by at least 0.2V, RO is high; If A < B by 0.2V or more, RO is low; RO = High if A and B are unconnected (floating).
RE
Receiver output enable. RO is enabled when RE is low; RO is high impedance when RE is high.
DE
Driver output enable. The driver outputs, Y and Z, are enabled by bringing DE high. They are high impedance when DE is low.
DI
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.
GND
Ground connection.
A
±15kV HBM ESD Protected, Noninverting receiver input.
B
±15kV HBM ESD Protected, Inverting receiver input.
Y
±15kV HBM ESD Protected, Noninverting driver output.
Z
±15kV HBM ESD Protected, Inverting driver output.
VCC
System power supply input (4.5V to 5.5V).
NC
No Connection.
ISL4489E, ISL4491E




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