The ISL59424 and ISL59445 are 1GHz bandwidthmultiplexing amplifiers designed primarily for video inputswitching. These MUX-amps exhibit a fixed gain of 1 andalso feature a high speed three-state to enable the output ofmultiple devices to be wired together. All logic inputs havepull-downs to ground and may be left floating. The EN pin,when pulled high, sets the ISL59424 and ISL59445 in to lowcurrent mode - consuming just 15mW. An added feature inthe ISL59424 is a latch enable function (LE) that allowsindependent logic control using a common logic bus. WhenLE is high the last logic state is preserved.
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