The HC377 and HCT377 are octal D-type flip-flops with a buffered clock (CP) common to all eight flip-flops. All the flip-flops are loaded simultaneously on the positive edge of the clock (CP) when the Data Enable (E\\) is Low.
Buffered Common Clock
Buffered Inputs
Typical Propagation Delay at CL = 15pF, VCC = 5V, TA = 25°C