74HC691 counter/register equivalent, (74hc690 - 74hc693) 4 bit binary counter/register.
The HC690/691/692/693 are high speed CMOS COUNTER/REGISTER fabricated in silicon gate C2MOS technology. They have the same high speed performance of LSTTL combined with true CMOS low power consumption. The internal circuit is composed of 3 stages inc.
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