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Description

This bidirectional shift register is designed to incorporate virtually all of the features a system designer may want in a shift register. It features parallel inputs, parallel outputs, right shift and left shift serial inputs, operating mode control inputs, and a direct overriding clear line. The register has four distinct modes of operation: parallel (broadside) load, shift right (in the direction QA toware QD); shift left; inhibit clock (do nothing).

Features

? High Speed Operation: tpd (Clock to Q) = 12 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