器件名称:
DM74LS151E
功能描述:
Data Selector/Multiplexer
文件大小:
140.88KB 共6页
简 介:
54LS151 DM54LS151 DM74LS151 Data Selector Multiplexer June 1989 54LS151 DM54LS151 DM74LS151 Data Selector Multiplexer General Description This data selector multiplexer contains full on-chip decoding to select the desired data source The ’LS151 selects one-of-eight data sources The ’LS151 has a strobe input which must be at a low logic level to enable these devices A high level at the strobe forces the W output high and the Y output low The ’LS151 features complementary W and Y outputs Features Y Y Y Y Y Y Y Select one-of-eight data lines Performs parallel-to-serial conversion Permits multiplexing from N lines to one line Also for use as Boolean function generator Typical average propagation delay time data input to W output 12 5 ns Typical power dissipation 30 mW Alternate Military Aerospace device (54LS151) is available Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Dual-In-Line Package TL F 6392 – 1 Order Number 54LS151DMQB 54LS151FMQB 54LS151LMQB DM54LS151J DM54LS151W DM74LS151M or DM74LS151N See NS Package Number E20A J16A M16A N16E or W16A Truth Table Inputs Select C X L L L L H H H H B X L L H H L L H H A X L H L H L H L H Strobe S H L L L L L L L L Outputs Y L D0 D1 D2 D3 D4 D5 D6 D7 W H D0 D1 D2 D3 D4 D5 D6 D7 H e High Level L e Low Level X e Don’t Care D0 D1 D7 e the level of the respective D input C1995 National Semiconductor Corporation TL F 6392 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (……
