74HCT573 Datasheet, NXP

* Input levels:
* For 74HC573: CMOS level
* For 74HCT573: TTL level
* Inputs and outputs on opposite sides of package allowing easy interface with micropr.

* Common 3-state output enable input
* Multiple package options
* Complies with JEDEC standard no. 7 A
*.

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.