器件名称:
DM74LS153E
功能描述:
Dual 4-Line to 1-Line Data Selectors/Multiplexers
文件大小:
142.63KB 共6页
简 介:
54LS153 DM54LS153 DM74LS153 Dual 4-Line to 1-Line Data Selectors Multiplexers June 1989 54LS153 DM54LS153 DM74LS153 Dual 4-Line to 1-Line Data Selectors Multiplexers General Description Each of these data selectors multiplexers contains inverters and drivers to supply fully complementary on-chip binary decoding data selection to the AND-OR-invert gates Separate strobe inputs are provided for each of the two four-line sections Y Y Y Features Y Y Y Y Permits multiplexing from N lines to 1 line Performs at parallel-to-serial conversion Strobe (enable) line provided for cascading (N lines to n lines) High fan-out low impedance totem pole outputs Typical average propagation delay times From data 14 ns From strobe 19 ns From select 22 ns Typical power dissipation 31 mW Alternate Military Aerospace device (54LS153) is available Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Dual-In-Line Package Order Number 54LS153DMQB 54LS153FMQB 54LS153LMQB DM54LS153J DM54LS153W DM74LS153M or DM74LS153N See NS Package Number E20A J16A M16A N16E or W16A TL F 6393 – 1 Logic Diagram Function Table Select Inputs B X L L L L H H H H A X L L H H L L H H C0 X L H X X X X X X Data Inputs C1 X X X L H X X X X C2 X X X X X L H X X C3 X X X X X X X L H Strobe G H L L L L L L L L Output Y L L H L H L H L H Select inputs A and B are common to both sections H e High Level L e Low Level X e Don’t Care TL F 6393 – 2 C1995 National Semiconductor Corpor……
