Synchronous 4-bit Binary Counters - National Semiconductor

These synchronous, presettable Counters 54LS161A DM54LS161A DM74LS161A 54LS163A DM54LS163A DM74LS163A feature an inter- nal carry look-ahead for application in high-speed counting designs. The LS161A and LS163A are 4-bit binary Counters The carry output is decoded by means of a NOR Gate thus preventing spikes during the normal counting mode of oper- ation. Synchronous operation is provided by having all flip- flops clocked simultaneously so that the outputs change co- incident with each other when so instructed by the count- enable inputs and internal gating. This mode of operation eliminates the output counting spikes which are normally associated with asynchronous (ripple clock) Counters A buffered Clock input triggers the four Flip-Flops on the rising (positive-going) edge of the Clock input waveform. By National Semiconductor Corporation
DM54LS161A 's PackagesDM54LS161A 's pdf datasheet
54LS161A
DM74LS161A
54LS163A
DM54LS163A
DM74LS163A




DM54LS161A Pinout, Pinouts
DM54LS161A pinout,Pin out
This is one package pinout of DM54LS161A,If you need more pinouts please download DM54LS161A's pdf datasheet.

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