Texas Instruments SN74ALS534A

these octal d-type edge-triggered flip-flops feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. they are particularly suitable for implementing buffer registers i/o ports bidirectional bus drivers and working registers. on the positive transition of the clock (clk) input the q\ outputs are set to the complement of the logic states set up at the data (d) inputs. the als534a and sn74as534 have inverted outputs but otherwise are functionally equivalent to the als374a and sn74as374. a buffered output-enable () input places the eight outputs in either a normal logic state (high or low logic levels) or a high-impedance state. view all in datasheet