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74F169 4-bit up/down binary synchronous counter

74F169 Description

INTEGRATED CIRCUITS 74F168 *, 74F169 4-bit up/down binary synchronous counter * Discontinued part.Please see the Discontinued Product List in.
The 74F169 is a 4-bit synchronous, presettable Modulo 16 up/down counter featuring an internal carry look-ahead for applications in high-speed countin.

74F169 Features

* Synchronous counting and loading
* Up/Down counting
* Modulo 16 binary counter
* Two Count Enable inputs for n-bit cascading
* Positive edge-triggered clock
* Built-in carry look-ahead capability
* Presettable for programmable operation DESC

74F169 Applications

* in high-speed counting designs. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when instructed by the Count Enable inputs and internal gating. This mode of operation eliminates the output spikes which are normal

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4-bit down binary synchronous counter NXP
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