This part is a kind of semiconductor called MC14495P.

Function of this product has CMOS BCD-to-7 Segment 4-Bit Latch/Decoder Driver.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

MC14495P IL00D C-MOS BCD-TO-SEVEN-SEGMENT 4-BIT LATCH / DECODER DRIVER TOP VIEW 5 A B C D a b c d e f g 7 12 13 14 15 1 2 3 e OUT 1 f OUT 2 g OUT 3 h+i OUT 4 A IN 5 B IN 6 CK IN 7 8 GND VDD 16 15 d OUT 14 c OUT 13 b OUT 12 a OUT 11 VCR IN 10 D IN 9 C IN 6 9 10 h+i VCR a 4 11 f g b e d c INPUTS CK D C B 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 1 0 0 0 1 1 0 0 1 1 0 1 0 0 0 1 0 0 0 1 0 1 0 1 0 1 0 1 1 0 0 1 1 0 0 1 1 1 0 1 1 1 X X X 1 X X X 0 1 X Z ; ; ; ; A 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 X X a 1 0 1 1 0 1 1 1 1 1 1 0 1 0 1 1 X X b 1 1 1 1 1 0 0 1 1 1 1 0 0 1 0 0 X X c 1 1 0 1 1 1 1 1 1 1 1 1 0 1 0 0 X X OUTPUTS d e f g 1 1 1 0 0 0 0 0 1 1 0 1 1 0 0 1 0 0 1 1 1 0 1 1 1 1 1 1 0 0 0 0 1 1 1 1 1 0 1 1 0 1 1 1 1 1 1 1 1 1 1 0 1 1 0 1 1 1 1 1 0 1 1 [ ... ]

MC14495P PDF Datasheet Download