The KR155KP1 chips are a data selector-multiplexer for 16 channels with gating. They contain 149 integral elements. The number of information inputs - 16, address - 4, gating - 1. KR155KP1: - Supply voltage .......... 4.75 - 5.25 V - Low level input voltage .......... <0.4 V - High level input voltage ..........> 2.4 V - Low level input current .......... <16 mA - High level output current .......... <0.8 mA - Loading capacity .......... <15 pF - Duration of front and cutoff of input pulse <150 ns