This part is a kind of semiconductor called XR-2206.

Function of this product has Monolithic Function Generator.

Manufacturers : Exar Corporation

Image and pinout :

Some of the text within the PDF file :

XR-2206 ...the analog plus company TM Monolithic Function Generator June 1997-3 FEATURES D Low-Sine Wave Distortion, 0.5%, Typical D Excellent Temperature Stability, 20ppm/°C, Typ. D Wide Sweep Range, 2000:1, Typical D Low-Supply Sensitivity, 0.01%V, Typ. D Linear Amplitude Modulation D TTL Compatible FSK Controls D Wide Supply Range, 10V to 26V D Adjustable Duty Cycle, 1% TO 99% APPLICATIONS D Waveform Generation D Sweep Generation D AM/FM Generation D V/F Conversion D FSK Generation D Phase-Locked Loops (VCO) GENERAL DESCRIPTION The XR-2206 is a monolithic function generator integrated circuit capable of producing high quality sine, square, triangle, ramp, and pulse waveforms of high-stability and accuracy. The output waveforms can be both amplitude and frequency modulated by an ext [ ... ]

XR-2206 PDF Datasheet Download