DS8627

The DS8627 and DS8628 are low power fixed ratio prescalers which divide by 24 and 20, respectively. The inputs can be driven either single or double-ended and they are buffered, providing 40/100 mVrms input sensitivity. The output provided is open-collector and is capable of interfacing with TTL and CMOS.

The device DS8627 and DS8628 can be used in phase-locked loop applications such as FM radio or other communications bands to prescale the input frequency down to a more usable level. A digital frequency display system can also be derived separately or in conjunction with a phase-locked loop, and it can extend the useful range of many inexpensive frequency counters to 225 MHz.