General Description

The MAX3209E is a complete, dual DTE RS-232 serial port (6 transmitters, 10 receivers) for motherboards and desktop PCs that ensures compliance with the stringent ESD requirements of the European Community. The device minimizes board space and power consumption by eliminating the need for a negative power supply; it integrates two serial ports and a charge pump into a single 38-pin TSSOP package.

Features

♦ Two Complete Serial Ports in a Single 38-Pin TSSOP Package

♦ Requires Only +12V Supply and Logic Supply (+3V to +5.5V)

♦ No Negative Supply Required

♦ One Receiver Active per Port in Standby for System Wake-Up

♦ 460kbps Data Rate; LapLink Compatible

♦ Enhanced ESD Protection

±15kV—Human Body Model

±8kV—IEC 1000-4-2, Contact Discharge

±15kV—IEC 1000-4-2, Air-Gap Discharge

♦ Low 50µA Standby Current

♦ Operates with Either +3V or +5V Logic

♦ Guaranteed Mouse Driveability

♦ Small 0.1µF Capacitors

♦ Flow-Through Pinout

Applications

Desktop PCs

Motherboards

Instruments

Equipment Requiring IEC 1000-4-2 Compliance

Telecommunications

Network Servers