74HCT161D

74HCT161D is a presettable synchronous 4-bit binary counter with asynchronous master reset and positive-edge triggered operation. It features synchronous preset/load, two count-enable inputs and a terminal-count output, is CMOS/HCT logic compatible, operates from VCC 2.0–6.0 V, and is available in SO16 (SOT109-1) with orderable variants 74HCT161D,652 and 74HCT161D,653.