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ISL8488E Datasheet(PDF) 2 Page - Intersil Corporation

Part No. ISL8488E
Description  -15kV ESD Protected, 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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ISL8488E Datasheet(HTML) 2 Page - Intersil Corporation

 
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2
FN6073.3
Pinouts
ISL8488E (SOIC)
TOP VIEW
ISL8489E, ISL8491E (SOIC)
TOP VIEW
Truth Tables (For ISL8488E, only the DE = 1 and RE = 0 entries are valid)
VCC
RO
DI
GND
1
2
3
4
8
7
6
5
A
B
Z
Y
D
R
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
Ordering Information
PART NO. *
(BRAND)
TEMP.
RANGE (°C)
PACKAGE
PKG. DWG. #
ISL8488EIB
(8488EIB)
-40 to 85
8 Ld SOIC
M8.15
ISL8488EIBZA
(8488EIBZ,
See Note)
-40 to 85
8 Ld SOIC
(Pb-free)
M8.15
ISL8489EIB
-40 to 85
14 Ld SOIC
M14.15
ISL8489EIBZ
(See Note)
-40 to 85
14 Ld SOIC
(Pb-free)
M14.15
ISL8491EIB
-40 to 85
14 Ld SOIC
M14.15
ISL8491EIBZ
(See Note)
-40 to 85
14 Ld SOIC
(Pb-free)
M14.15
*Add “-T” suffix to part number for tape and reel packaging.
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-020C.
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.
ISL8488E, ISL8489E, ISL8491E


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