SYNCHRONOUS 4-BIT DECADE AND BINARY COUNTERS

These synchronous, presettable, 4-bit decade and binary Counters feature an internal carry look-ahead circuitry for application in high-speed counting designs. The SN54ALS162B is a 4-bit decade Counter The ALS161B, ALS163B, AS161 and AS163 are 4-bit binary Counters Synchronous operation is provided by having all Flip-Flops clocked simultaneously so that the outputs change coincidentally with each other when instructed by the count-enable (ENP, ENT) inputs and internal gating. This mode of operation eliminates the output counting spikes normally associated with asynchronous (ripple-clock) Counters A buffered Clock (CLK) input triggers the four Flip-Flops on the rising (positive-going) edge of the Clock input waveform. These Counters are fully programmable; they may be preset to any number between 0 and 9 or 15. Because presetting is synchronous, setting up a low level at the load (LOAD) input disables the Counter and causes the outputs to agree with the setup data after the next Clock pulse, regardless of the levels of the enable inputs By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN54ALS161BJ Rochester Electronics LLC Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, CDIP16, CERAMIC, DIP-16
SN54ALS161BFK Rochester Electronics LLC Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, CQCC20, CERAMIC, LCC-20
SN54ALS161BJ Texas Instruments Synchronous 4-Bit Binary Counters 16-CDIP -55 to 125
SN54ALS161B 's PackagesSN54ALS161B 's pdf datasheet
SN54ALS162B
SN54AS161




SN54ALS161B Pinout, Pinouts
SN54ALS161B pinout,Pin out
This is one package pinout of SN54ALS161B,If you need more pinouts please download SN54ALS161B's pdf datasheet.

SN54ALS161B Application circuits
SN54ALS161B circuits
This is one application circuit of SN54ALS161B,If you need more circuits,please download SN54ALS161B's pdf datasheet.


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