This part is a kind of semiconductor called K1610.
Function of this product has 5V Voltage Controlled Temperature Compensated Crystal Oscillators.
Manufacturers : Champion
Image and pinout :

Some of the text within the PDF file :
K1610 Series 5V Voltage Controlled Temperature Compensated Crystal Oscillators Applications: Phase Locked Loops Clocking “Sync” to NTSC Video Standards; Reference Signal; Signal Tracking ±10ppm Stability -40°C to 85°C Op. Temperature “Clipped” Sine Wave Output Non Hermetic Package E L E C T R I C A L S P E C I F I C AT I O N S Model Frequency Range (MHz) Input Current (mA) Frequency Control Function Voltage Control Minimum Deviation (ppm) Minimum Deviation Sensitivity (ppm/V) Linearity (%) Modulation Bandwidth (3dB) Nominal Control Voltage (V) Control Voltage Range (V) Manual Adjustment (ppm) Transfer Function Input Impedance Frequency Stability (ppm) Overall 25oC Calibration Over Operating Temperature Aging 1st Year Temperature Range (oC) Op [ ... ]
K1610 PDF Datasheet Download
