The 74HC573, 74HCT573 is an 8-bit D-type transparent latch with 3-state outputs. The device features latch enable (LE) and output enable (OE) inputs. When LE is HIGH, data at the inputs enter the latches. In this condition the latches are transparent, a latch output will change each time its corresponding D-input changes. When LE is LOW the latches store the information that was present at the inputs a set-up time preceding the HIGH-to-LOW transition of LE. A HIGH on OE causes the outputs to assume a high-impedance OFF-state.
Mixed 5 V and 3.3 V applications Save board space Low cost interface solutions Improved signal integrity for complex layouts Wide supply voltage range Low propagation delay Overvoltage tolerant Source termination Low input threshold CMOS low power Key applications Memory controllers Backplane interfaces
