ZT3243E精选.pdfVIP

ZT3243E Low Power +3V to +5.5V, 3D/5R 250kbps RS232 Transceivers Zywyn Corporation ZT3241E/ZT3243E Zywyn ZT3241E/ZT3243E Low Power +3V to +5.5V, 3D/5R 250kbps RS232 Transceivers Features General Description • Meets or Exceeds the EIA/TIA-232F and CCITT The ZT3243E Series devices are 3V powered EIA/TIA-232 V.28/V.24 Specifi cations for VCC at +3.3V ±10% and V.28/V.24 communication interfaces with low power requirements. They consist of three line drivers, fi ve line re- and +5V ±10% Operations ceivers and the proprietary switch-capacitor regulated voltage • Interoperable with EIA/TIA-232 and adheres to converters. These devices operate from a single 3V to 5.5V EIA/TIA-562 down to a +2.7V power source power supply at the guaranteed data rate of 250k bits/sec • Low quiescent current – 0.5mA typ., 1mA max. with enhanced electrostatic discharge (ESD) protection in • Low shutdown current (where applicable) - 1μA all RS232 I/O pins exceeding ±15kV IEC61000-4-2 Air Gap Discharge and ±8kV IEC61000-4-2 Contact Discharge. typical, 10μA max. The ZT3243E Series feature the AUTOGREEN (patent pend- • Guaranteed data rate 250kbps ing) propr