This part is a kind of semiconductor called 74C902N.

Function of this product has MM74C902N.

Manufacturers : Fairchild

Image and pinout :

Some of the text within the PDF file :

MM74C901 • MM74C902 Hex Inverting TTL Buffer • Hex Non-Inverting TTL Buffer October 1987 Revised January 1999 MM74C901 • MM74C902 Hex Inverting TTL Buffer • Hex Non-Inverting TTL Buffer General Description The MM74C901 and MM74C902 hex buffers employ complementary MOS to achieve wide supply operating range, low power consumption, and high noise immunity. These buffers provide direct interface from PMOS into CMOS or TTL and direct interface from CMOS to TTL or CMOS operating at a reduced VCC supply. Features s Wide supply voltage range: 3.0V to 15V s Guaranteed noise margin: 1.0V s High noise immunity: 0.45 VCC (typ.) s TTL compatibility: Fan out of 2 driving standard TTL Ordering Code: Order Number Package Number Package Description MM74C901M M14A 14-Lead Small Outline In [ ... ]

74C902N PDF Datasheet Download