74LV574 Datasheet, Philips

* Wide operating voltage: 1.0 to 5.5V
* Optimized for Low Voltage applications: 1.0 to 3.6V
* Accepts TTL input levels between VCC = 2.7V and VCC = 3.6V
.

1.0 to 3.6V
* Accepts TTL input levels between VCC = 2.7V and VCC = 3.6V
* Typical VOLP (output ground bounce) .

The 74LV574 is a low-voltage Si-gate CMOS device and is pin and function compatible with 74HC/HCT574. The 74LV574 is an octal D-type flip
  –flop featuring separate D-type inputs for each flip-flop and non-inverting 3-state outputs for b.