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DM74LS161A • DM74LS163A Synchronous 4-Bit Binary Counters August 1986 Revised April 2000 DM74LS161A • DM74LS163A Synchronous 4-Bit Binary Counters General Description These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed counting designs. Th
DM54LS190 DM74LS190 DM54LS191 DM74LS191 Synchronous 4-Bit Up Down Counters with Mode Control May 1989 DM54LS190 DM74LS190 DM54LS191 DM74LS191 Synchronous 4-Bit Up Down Counters with Mode Control General Description These circuits are synchronous reversible up down counters The LS191 is a 4-bit bin
54LS11 DM54LS11 DM74LS11 Triple 3-Input AND Gates June 1989 54LS11 DM54LS11 DM74LS11 Triple 3-Input AND Gates General Description This device contains three independent gates each of which performs the logic AND function Features Y Alternate military aerospace device (54LS11) is available Contac
54LS138 DM54LS138 DM74LS138 54LS139 DM54LS139 DM74LS139 Decoders Demultiplexers June 1989 54LS138 DM54LS138 DM74LS138 54LS139 DM54LS139 DM74LS139 Decoders Demultiplexers General Description These Schottky-clamped circuits are designed to be used in high-performance memory-decoding or data-routing
54LS161A DM54LS161A DM74LS161A 54LS163A DM54LS163A DM74LS163A Synchronous 4-Bit Binary Counters May 1992 54LS161A DM54LS161A DM74LS161A 54LS163A DM54LS163A DM74LS163A Synchronous 4-Bit Binary Counters General Description These synchronous presettable counters feature an internal carry look-ahead f
54LS138 DM54LS138 DM74LS138 54LS139 DM54LS139 DM74LS139 Decoders Demultiplexers June 1989 54LS138 DM54LS138 DM74LS138 54LS139 DM54LS139 DM74LS139 Decoders Demultiplexers General Description These Schottky-clamped circuits are designed to be used in high-performance memory-decoding or data-routing
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