• ESD Protection for RS-232 I/O Pins to ±15kV (IEC61000) • Drop in Replacements for MAX3221E, MAX3222E, MAX3223E, MAX3232E, MAX3241E, MAX3243E,SP3243E • ICL3221E is a Low Power, Pin Compatible Upgrade for 5V MAX221E • ICL3222E is a Low Power, Pin Compatible Upgrade for 5V MAX242E, and SP312E • ICL3232E is a Low Power Upgrade for HIN232E, ICL232 and Pin Compatible Competitor Devices • RS-232 Compatible with VCC= 2.7V • Meets EIA/TIA-232 and V.28/V.24 Specifications at 3 • Latch-Up Free • On-Chip Voltage Converters Require Only Four External 0.1µF Capacitors • Manual and Automatic Power-Down Features • Guaranteed Mouse Driveability (ICL324xE Only)