The 74HCT574 is a octal D-type flip-flop with 3-state outputs and the capability to drive 15 LSTTL loads. The eight edge-triggered flip-flops enter data into their registers on the LOW to HIGH transition of clock (CP). The output enable (OE) controls the 3-state outputs and is independent of the register operation. When OE is HIGH\, the outputs are in the high-impedance state.
Common Three-State Output Enable Control
Bus Line Driving Capability
Typical Propagation Delay (Clock to Q) = 15ns at VCC = 5V, CL = 15pF, TA = 25°C
Wide Operating Temperature Range...–55° to 125°C
Balanced Propagation Delay and Transition Times
Significant Power Reduction Compared to LSTTL Logic ICs
20 pin DIP. Actual brand may vary from picture.