MM54C157 - National

MM54C157 Quad 2-Input Multiplexers

These multiplexers are monolithic complementary MOS (CMOS) integrated circuits constructed with N- and P-channel enhancement transistors They consist of four 2-input multiplexers with common select and enable inputs When the enable input is at logical ‘‘0’’ the four outputs assume the values as selected from the inputs When the enable input is at logical ‘‘1.

Features

Y Y Y Y Supply voltage range High noise immunity Low power Tenth power TTL compatible 3V to 15V 0 45 VCC (typ ) 50 nW (typ ) Drive 2 LPTTL loads Logic Connection Diagrams Dual-In-Line Package TL F 5894
  – 2 Top View Order Number MM54C157 or MM74C157 TL F 5894
  – 1 Truth Table Enable 1 0 0 0 0 Select X 0 0 1 1 A X 0 1 X X B X X X 0 1 Output Y 0 0 1 0 1 Guaranteed Noise Margin as a Function of VCC 74L Compatibility TL F 5894
  – 4 TL F 5894
  – 3 C1995 National Semiconductor Corporation TL F 5894 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note 1) If Military Aerospace specif.