HD74HC166

HD74HC166 Parallel-load 8-bit Shift Register REJ03D0582-0300 Rev.3.00 Jan 31, 2006 Description This device is an 8-bit shift register with an output from the last stage. Data may be loaded into the register either in parallel or in serial form. When the Shift/Load input is low, the data is loaded asynchronously in parallel. When the Shift/Load input is high, the data is loaded serially on the rising edge of either clock inhibit or Clock. Clear is asynchronous and active-low. The 2-input NOR clock may be used either by combining two independent clock sources or by designating one of the clock inputs to act as a clock inhibit. Features High Speed Operation: tpd (Clock to QH) = 14 ns typ (CL = 50 pF) High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Ordering Information Part Name Package Type Package Code (Previous Code) Package...