The UPD4702 is 8-bit up/down Counters for an incremental encoder. Two-phase (A, B) incremental input signals are phase-differentiated, and on each signal edge, an up-count is executed if the A phase is leading, or a down-count if the B phase is leading. Eight-bit count data is output in real time. A carry output and borrow output are also provided for Counter overflow and underflow. The UPD4702 is also available; use of these enables the count width to be extended. By NEC Electronics Inc.
UPD4702 's PackagesUPD4702 's pdf datasheet

UPD4702 Pinout, Pinouts
UPD4702 pinout,Pin out
This is one package pinout of UPD4702,If you need more pinouts please download UPD4702's pdf datasheet.

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