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1FEATURES

· ESD Protection for RS-232 I/O Pins

– ±15-kV Human-Body Model (HBM)

· Meets or Exceeds the Requirements of

TIA/EIA-232-F and ITU v.28 Standards

· Operates at 5-V VCC Supply

· Four Drivers and Four Receivers

· Operates up to 120 kbit/s

· External Capacitors: 4 × 0.1 mF

· Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

APPLICATIONS

· Battery-Powered Systems

· PDAs

· Notebooks

· Laptops

· Palmtop PCs

· Hand-Held Equipment

DESCRIPTION

The MAX208 device consists of four line drivers, four line receivers, and a dual charge-pump circuit with ±15-kV

HBM 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 5-V

supply. The devices operate at data signaling rates up to 120 kbit/s and a maximum of 30-V/ms driver output

slew rate.