This part is a kind of semiconductor called ADM3222.

Function of this product has Line Drivers/Receivers.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

FEATURES 460 kbps data rate Specified at 3.3 V Meets EIA-232E specifications 0.1 μF charge pump capacitors Low power shutdown (ADM3222 and ADM1385) PDIP, SOIC_N, SOIC_W, SSOP, and TSSOP options Upgrade for MAX3222/MAX3232 and LTC1385 ESD protection to IEC 1000-4-2 (801.2) on RS-232 pins (ADM3202 only) ±8 kV: contact discharge ±15 kV: air gap discharge APPLICATIONS General-purpose RS-232 data link Portable instruments Printers, palmtop computers, PDAs GENERAL DESCRIPTION The ADM3202/ADM3222/ADM1385 transceivers are high speed, 2-channel RS-232/V.28 interface devices that operate from a single 3.3 V power supply. Low power consumption and a shutdown facility (ADM3222/ADM1385) make them ideal for battery-powered portable instruments. The ADM3202/ADM3222/ADM1385 parts conform to the EIA-232 [ ... ]

ADM3222 PDF Datasheet Download