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Interface ICs - Multi-Protocol - RS-232 and RS-485 - High ESDClick to sort descending/ascending.
Device
Data-
Sheet
Device Description
Supported Protocols
# of Ports
# of Tx/Rx per Port
High ESD (kV)
Data Rate RS-485/RS-232 (Mbps)
RS-485 Rx Failsafe Type
VLOGIC Supply Pin?
RXEN Polarity
Loopback Feature?
Operating ICC RS-485/RS-232 (mA)
SHDN ICC (µA)
VCC (V)
100-999 Unit MSRP
($)
Package
 ISL3330 3.3V, ±15kV ESD Protected, Dual Protocol (RS-232/RS-485) TransceiversRS-232, RS-422, RS-48511/1 RS-485, RS-422; 2/2 RS-2321520, 0.46/0.4FullNoHighYes1.3/3.7303.32.9320 Ld SSOP
20 Ld SSOP T+R 
 ISL3331 3.3V, ±15kV ESD Protected, Dual Protocol (RS-232/RS-485) TransceiversRS-232, RS-422, RS-48511/1 RS-485, RS-422; 2/2 RS-2321520, 0.46, 0.115/0.4FullYesBothYes1.3/3.7303.33.6040 Ld QFN
40 Ld QFN T+R
Eval Board 
 ISL3332 3.3V, ±15kV ESD Protected, Two Port, Dual Protocol (RS-232/RS-485) TransceiversRS-232, RS-422, RS-48521/1 RS-485, RS-422; 2/2 RS-2321520/0.4FullNoNoneYes1.6/3.7453.34.2728 Ld SSOP
28 Ld SSOP T+R 
 ISL3333 3.3V, ±15kV ESD Protected, Two Port, Dual Protocol (RS-232/RS-485) TransceiversRS-232, RS-422, RS-48521/1 RS-485, RS-422; 2/2 RS-2321520, 0.46, 0.115/0.4FullYesLowYes1.6/3.7603.34.2740 Ld QFN
40 Ld QFN T+R
Eval Board 
 ISL41334 ±15kV ESD Protected, 5V, Two Port, Dual Protocol (RS-232/RS-485) TransceiversRS-232, RS-422, RS-48521/1 RS-485, RS-422; 2/2 RS-2321520, 0.46, 0.115/0.5FullYesLowYes1.6/3.78053.6040 Ld QFN
40 Ld QFN T+R
Eval Board 
 ISL41387 ±15kV ESD Protected, 5V, Dual Protocol (RS-232/RS-485) TransceiversRS-232, RS-422, RS-48511/1 RS-485, RS-422; 2/2 RS-2321520, 0.46, 0.115/0.5FullYesHigh and LowYes1.6/3.73552.9340 Ld QFN
40 Ld QFN T+R
Eval Board 
 ISL81334 ±15kV ESD Protected, 5V, Two Port, Dual Protocol (RS-232/RS-485) TransceiversRS-232, RS-422, RS-48521/1 RS-485, RS-422; 2/2 RS-2321520/0.5FullNoNoneYes1.6/3.74253.6028 Ld SOIC
28 Ld SOIC T+R
28 Ld SSOP
28 Ld SSOP T+R 
 ISL81387 ±15kV ESD Protected, 5V, Dual Protocol (RS-232/RS-485) TransceiversRS-232, RS-422, RS-48511/1 RS-485, RS-422; 2/2 RS-2321520, 0.46/0.5FullNoHighYes1.6/3.73552.9320 Ld SOIC
20 Ld SOIC T+R
20 Ld SSOP
20 Ld SSOP T+R 

Interface ICs - Multi-Protocol - RS-232 and RS-485 - 3.3V, Dual PortClick to sort descending/ascending.
Device
Data-
Sheet
Device Description
Supported Protocols
# of Ports
# of Tx/Rx per Port
High ESD (kV)
Data Rate RS-485/RS-232 (Mbps)
RS-485 Rx Failsafe Type
VLOGIC Supply Pin?
RXEN Polarity
Loopback Feature?
Operating ICC RS-485/RS-232 (mA)
SHDN ICC (µA)
VCC (V)
100-999 Unit MSRP
($)
Package
 ISL3332 3.3V, ±15kV ESD Protected, Two Port, Dual Protocol (RS-232/RS-485) TransceiversRS-232, RS-422, RS-48521/1 RS-485, RS-422; 2/2 RS-2321520/0.4FullNoNoneYes1.6/3.7453.34.2728 Ld SSOP
28 Ld SSOP T+R 
 ISL3333 3.3V, ±15kV ESD Protected, Two Port, Dual Protocol (RS-232/RS-485) TransceiversRS-232, RS-422, RS-48521/1 RS-485, RS-422; 2/2 RS-2321520, 0.46, 0.115/0.4FullYesLowYes1.6/3.7603.34.2740 Ld QFN
40 Ld QFN T+R
Eval Board 
*Data listed above is for reference only, please refer to Product Data Sheets for current specifications.