This part is a kind of semiconductor called TD62783AFW.

Function of this product has 8CH HIGH−VOLTAGE SOURCE DRIVER.

Manufacturers : Toshiba

Image and pinout :

Some of the text within the PDF file :

TD62783,784AP/AFW TOSHIBA BIPOLAR DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC TD62783AP,TD62783AFW,TD62784AP,TD62784AFW (Manufactured by Toshiba Malaysia) 8CH HIGH−VOLTAGE SOURCE DRIVER The TD62783AP / AFW Series are comprised of eight source current Transistor Array. These drivers are specifically designed for fluorescent display applications. Applications include relay, hammer and lamp drivers. FEATURES l High output voltage Type−AP, AFW : VCC = 50 V MIN. Type−F : VCC = 35 V MIN. l Output current (single output) IOUT = −500 mA MIN. l Output clamp diodes l Single supply voltage l Input compatible with various types of logic l Package Type−AP : DIP−18 pin l Package Type−AFW : SOL−18 pin TYPE TD62783AP / AFW TD62784AP / AFW DESIGNATION TTL, 5 V CMOS 6~15 V PMOS, CMOS [ ... ]

TD62783AFW PDF Datasheet Download