TRS3223E

www.ti.com TRS3223E 3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER WITH ±15-kV ESD PROTECTION SLLS794 – JUNE 2007 FEATURES ESD Protection for RS-232 Bus Pins – ±15-kV Human-Body Model (HBM) – ±8-kV IEC61000-4-2, Contact Discharge – ±15-kV IEC61000-4-2, Air-Gap Discharge Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU v.28 Standards Operates With 3-V to 5.5-V VCC Supply Operates up to 500 kbit/s Two Drivers and Two Receivers Low Standby Current . . . 1 μA Typ External Capacitors . . . 4 × 0.1 μF Accepts 5-V Logic Input With 3.3-V Supply Alternative High-Speed Pin-Compatible Device (1 Mbit/s) for TRSF3223E DB, DW, OR PW PACKAGE (TOP VIEW) EN 1 C1+ 2 V+ 3 C1− 4 C2+ 5 C2− 6 V− 7 DOUT2 8 RIN2 9 ROUT2 10 20 FORCEOFF 19 VCC 18 GND 17 DOUT1 16 RIN1 15 ROUT1 14 FORCEON 13 DIN1 12 DIN2 11 INVALID RHL PACKAGE (TOP VIEW) EN FORCEOFF APPLICATIONS Battery-Powered Systems PDAs Notebooks Laptops Palmtop PCs Hand-Held Equipment DESCRIPTION/ ORDERING INFORMATION The TRS3223E consists of two line drivers, two line receivers, and a dual charge-pump circuit with ±15-kV ESD protection pin to pin (serial-port connection pins, including GND). The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply. The device operates at typical data ...