HEF4522B Description
The HEF4522B is a synchronous programmable 4-bit BCD down counter with an active HIGH and an active LOW clock input (CP0, CP1), an asynchronous parallel load input (PL), four parallel inputs (P0 to P3), a cascade feedback input (CF), four buffered parallel outputs (O0 to O3), a terminal count output (TC) and an overriding asynchronous master reset input (MR). This device is a programmable, cascadable down counter...