ISL4221E QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 150nA, 250kbps, RS-232 Transmitters/Receivers 1 1 Yes Yes Basic Yes 0.5 0.1 0.3 0.15 2.7 to 5.5 2.7 5.5 1.43 16 Ld QFN 16 Ld QFN T+R ISL4223E QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 150nA, 250kbps, RS-232 Transmitters/Receivers 2 2 Yes Yes Basic Yes 0.5 0.1 0.3 0.15 2.7 to 5.5 2.7 5.5 2.12 20 Ld QFN 20 Ld QFN T+R ISL4238E QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 10nA, 250kbps/1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown 5 3 Yes Yes Enhanced No 0.5 0.1 0.3 0.01 2.7 to 5.5 2.7 5.5 2.51 32 Ld QFN 32 Ld QFN T+R ISL4241E QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 10nA, 250kbps, RS-232 Transmitters/Receivers 3 5 Yes Yes No Yes 0.5 0.1 0.3 0.01 2.7 to 5.5 2.7 5.5 2.51 32 Ld QFN 32 Ld QFN T+R ISL4243E QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 10nA, 250kbps, RS-232 Transmitters/Receivers 3 5 Yes Yes Basic No 0.5 0.1 0.3 0.01 2.7 to 5.5 2.7 5.5 2.51 32 Ld QFN 32 Ld QFN T+R ISL4260E QFN Packaged, ±15kV ESD Protected, +3V to +5.5V, 150nA, 250kbps, RS-232 Transmitters/Receivers with Separate Logic Supply 3 2 Yes Yes No No 0.5 0.1 0.3 0.15 3 to 5.5 3 5.5 2.68 32 Ld QFN 32 Ld QFN T+R ISL4270E QFN Packaged, ±15kV ESD Protected, +3V to +5.5V, 300nA, 250kbps, RS-232 Transceivers with Enhanced Automatic Powerdown and a Separate Logic Supply 3 3 Yes Yes Enhanced No 0.5 0.1 0.3 0.3 3 to 5.5 3 5.5 2.42 32 Ld QFN 32 Ld QFN T+R ISL83387E ±15kV ESD Protected, +3V to +5.5V, 1μA, 250kbps, RS-232 Transceivers with Enhanced Automatic Powerdown and a Separate Logic Supply 3 3 Yes Yes Enhanced No 0.5 0.1 0.3 1 3 to 5.5 3 5.5 2.24 24 Ld TSSOP 24 Ld TSSOP T+R