This part is a kind of semiconductor called TD62703F.
Function of this product has 6CH HIGH VOLTAGE SOURCE DRIVER.
Manufacturers : Toshiba
Image and pinout :

Some of the text within the PDF file :
TD62703P/F TOSHIBA BIPOLAR DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC TD62703P,TD62703F 6CH HIGH VOLTAGE SOURCE DRIVER The TD62703P, TD62703F is comprised of six source current Transistor Array. These drivers are specifically designed for fluorescent display applications. For proper operation, the substrate (SUB) must be connected to the most negative voltage. FEATURES l High output voltage : VCC, VOUT = 60 V (Min) l Output current (single output) : IOUT = −50 mA (Max) l Input resistor : RIN = 2.7 kΩ l Package type−P : DIP−14 pin l Package type−F : SOP−14 pin PIN CONNECTION (TOP VIEW) SCHEMATICS (EACH DRIVER) Weight DIP14−P−300−2.54 : 1.11 g (Typ.) SOP14−P−225−1.27 : 0.16 g (Typ.) Note: The input and output parasitic diodes cannot be used as clamp di [ ... ]
TD62703F PDF Datasheet Download
