This part is a kind of semiconductor called MC3405.

Function of this product has DUAL OPERATIONAL AMPLIFIER / DUAL VOLTAGE COMPARATOR.

Manufacturers : Motorola

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Some of the text within the PDF file :

Order this document by MC3405/D MC3405 Dual Operational Amplifier and Dual Comparator The MC3405 contains two differential–input operational amplifiers and two comparators, each set capable of single supply operation. This operational amplifier–comparator circuit fulfills its applications as a general purpose product for automotive and consumer circuits as well as an industrial building block. The MC3405 is specified over the commercial operating temperature range of 0° to +70°C. • Operational Amplifier Equivalent in Performance to MC3403 DUAL OPERATIONAL AMPLIFIER / DUAL VOLTAGE COMPARATOR SEMICONDUCTOR TECHNICAL DATA • • • • • • Comparator Similar in Performance to LM339 Single Supply Operation: 3.0 V to 36 V Split Supply Operation: ±1.5 V to [ ... ]

MC3405 PDF Datasheet Download