ICL3221E ±15kV ESD Protected, +3V to +5.5V, 1μA, 250kbps, RS-232 Transmitters/Receivers 1 1 Yes Yes Basic Yes 0.5 0.1 0.3 1 3 to 5.5 3 5.5 0.76 16 Ld SSOP 16 Ld SSOP T+R 16 Ld TSSOP 16 Ld TSSOP T+R ICL3232E ±15kV ESD Protected, +3V to +5.5V, 1μA, 250kbps, RS-232 Transmitters/Receivers 2 2 Yes No No No 0.5 0.1 0.3 N/A 3 to 5.5 3 5.5 1.00 16 Ld SOIC 16 Ld SOIC 16 Ld SOIC T+R 16 Ld SOIC T+R 16 Ld SSOP 16 Ld SSOP T+R 16 Ld TSSOP 16 Ld TSSOP T+R 20 Ld TSSOP 20 Ld TSSOP T+R 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