SDFS005A - D3034, SEPTEMBER 1987 - REVISED OCTOBER1993
This 8-bit flip-flop features 3-state outputs designedspecifically for driving highly capacitive or relativelylow-impedance loads. It is particularly suitable for implementingbuffer registers, I/O ports, bidirectional bus drivers, and workingregisters.
The eight flip-flops of the SN74F574 are edge-triggered D-typeflip-flops. On the positive transition of the clock (CLK) input, theQ outputs will be set to the logic levels that were set up at thedata (D) inputs.
A buffered output enable 
input can be used to place the eight outputs in either a normal logicstate (high or low logic levels) or a high-impedance state. In thehigh-impedance state, the outputs neither load nor drive the buslines significantly. The high-impedance state and increased driveprovide the capability to drive bus lines without need for interfaceor pullup components.
The output enable doesnot affect the internal operations of the flip-flops. Old data can beretained or new data can be entered while the outputs are in thehigh-impedance state.
The SN74F574 is characterized for operation from 0°C to70°C.
View more information about generic part numbers:SN74F574
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