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Moteur de recherche de fiches techniques de composants électroniques |
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74157 Fiches technique(PDF) 1 Page - National Semiconductor (TI) |
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74157 Fiches technique(HTML) 1 Page - National Semiconductor (TI) |
1 / 6 page ![]() TLF6550 June 1989 54157DM54157DM74157 Quad 2-Line to 1-Line Data SelectorsMultiplexers General Description These data selectorsmultiplexers contain inverters and drivers to supply full on-chip data selection to the four out- put gates A separate strobe input is provided A 4-bit word is selected from one of two sources and is routed to the four outputs Applications Y Expand any data input point Y Multiplex dual data buses Y Generate four functions of two variables (one variable is common) Y Source programmable counters Features Y Buffered inputs and outputs Y Typical propagation time 9 ns Y Typical power dissipation 150 mW Y Alternate MilitaryAerospace device (54157) is avail- able Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Dual-In-Line Package TLF6550 – 1 Order Number 54157DMQB 54157FMQB DM54157J DM54157W or DM74157N See NS Package Number J16A N16E or W16A Function Table Inputs Output Y Strobe Select A B HX X X L LL L X L LL H X H LH X L L LH X H H H e High Level L e Low Level X e Don’t Care C1995 National Semiconductor Corporation RRD-B30M105Printed in U S A |
Numéro de pièce similaire - 74157 |
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Description similaire - 74157 |
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