Description
●The SN74LS29x devices are programmable frequency dividers and digital timers contain 31 flip-flops plus 30 gates (in SN74LS292) or 15 flip-flops plus 29 gates (in SN74LS294) on a single chip. The count modulo is under digital control of the inputs provided.
●Both types feature an active-low CLR clear input to initialize the state of all flip-flops. To facilitate the incoming inspection, test points are provided (TP1, TP2, and TP3 on the SN74LS292, and TP on the SN74LS294). These test points are not intended to drive system loads. Both types feature two clock inputs; either one may be used for clock gating (see Table 1).
●Features
●• Count Divider Chain
●• Digitally Programmable from 22 to 2n
● (n = 31 for SN74LS292 , n = 15 for SN74LS294)
●• Useable Frequency Range from DC to 30 MHz
●• Easily Expandable
●Applications
●• Frequency Division
●• Digital Timing
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