This part is a kind of semiconductor called TM1629B.

Function of this product has LED drivers control.

Manufacturers : Titan Micro

Image and pinout :

Some of the text within the PDF file :

• • • • • • • • 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 GR4 GRID5 GR3 GRID6 VSS VSS GR2 GRID7 GR1 GRID8 GND VDD DIO SEG14 CLK SEG13 STB SEG12 K0 SEG11 TM1629B K1 SEG10 VDD SEG9 SEG1/KS1 SEG8/KS8 SEG2/KS2 SEG7/KS7 SEG3/KS3 SEG6/KS6 SEG4/KS4 SEG5/KS5 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 www.titanmec.com -1- Free Datasheet http://www.datasheet4u.com/ VCC 10K DIO CT GND www.titanmec.com -2- Free Datasheet http://www.datasheet4u.com/ LED KS1 KS2 KS3 KS4 KS5 KS6 KS7 KS8 K0 K1 K KS BYTE1 BYTE4 BIT 1 4 www.titanmec.com -3- Free Datasheet http://www.datasheet4u.com/ www.titanmec.com -4- Free Datasheet http://www.datasheet4u.com/ www.titanmec.com -5- Free Datasheet http://www.datasheet4u.com/ CLK DIO STB 1 B0 2 B1 3 B2 4 B3 5 B4 6 B5 7 [ ... ]

TM1629B PDF Datasheet Download