716512CB ON Semiconductor

MC74HC157A Quad 2-Input Data Selectors / Multiplexers HighPerformance SiliconGate CMOS The MC74HC157A is identical in pinout to the LS157. The device MC74HC157A 2 A0 5 A1 NIBBLE 11 A INPUTS 4 A2 SELECT 1 16 V Y0 CC 14 A3 7 OUTPUT A0 2 15 Y1 ENABLE DATA 9 Y2 B0 3 14 A3 3 OUTPUTS B0 12 Y3 6 Y0 4 13 B3 B1 NIBBLE 10 A1 5 12 Y3 B2 B INPUTS 13 PIN 16 = V B1 6 11 A2 CC B3 PIN 8 = GND Y1 7 10 B2 1 GND 8 9 Y2 SELECT 15 OUTPUT ENABLE Figure 1. Pin Assignment Figure 2. Logic Diagram FUNCTION TABLE Inputs Output Outputs Enable Select Y0 Y3 H X L L L A0 A3 L H B0 B3 X = dont care A0 A3, B0 B3 = the levels of the respective Data Word Inputs. ORDERING INFORMATION Device Package Shipping MC74HC157ANG PDIP16 500 Units / Rail (Pb Free) MC74HC157ADG SOIC16 48 Units / Rail (Pb Free) MC74HC157ADR2G SOIC16 2500 / Tape & Reel (Pb Free) MC74HC157ADTR2G TSSOP16 2500 / Tape & Reel (Pb Free) NLV74HC157ADR2G* SOIC16 2500 / Tape & Reel (Pb Free) NLV74HC157ADTR2G* TSSOP16 2500 / Tape & Reel (Pb Free) For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. *NLV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements AECQ100 Qualified and PPAP Capable