This part is a kind of semiconductor called AN1358.

Function of this product has Dual Operational Amplifiers.

Manufacturers : Panasonic Semiconductor

Image and pinout :

Some of the text within the PDF file :

AN1339 (AN6912N), AN1339S Quadruple Comparators AN1339 (AN6912N) Unit:mm 14 13 12 11 10 9 8 6.35±0.3 0.5±0.1 1.1±0.25 4.7±0.25 3.05±0.25 + 0.1 5 0.0 s Overview The AN1339 (AN6912N) and the AN1339S are quadruple (voltage) comparators with wide range of operating supply voltages. 19.06±0.3 1 2 3 4 5 6 7 s Features • Wide range of supply voltage Single supply:2 to 36V Dual supply:±1 to ± 18V • Low circuit current:0.8mA typ. • Wide range of common-mode input voltages :0V to VCC–1.5V (single supply) • Open collector output 315˚ 7.62±0.25 0.3 – 14-pin DIL Plastic Package (DIP014-P-0300D) AN1339S 1.27 0.4±0.25 1.24 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1.5±0.2 Q1 Q55 Q12 Q22 D2 Q11 R1 D3 Q16 D1 1 10.1±0.3 Q2 Q4 Q3 0.1±0.1 0.3 4.2±0.3 6.5±0.3 14-pin PANAFLAT [ ... ]

AN1358 PDF Datasheet Download