View 74lvc573a 1 datasheet:

INTEGRATED CIRCUITS 74LVC573A Octal D-type transparent latch with 5-volt tolerant inputs/outputs (3-State) Product specification 1998 Jul 29 Philips Semiconductors Philips Semiconductors Product specification Octal D-type transparent latch with 5-volt 74LVC573A tolerant inputs/outputs (3-State) The 74LVC573A is an octal D-type transparent latch featuring FEATURES separate D-type inputs for each latch and 3-State outputs for • 5-volt tolerant inputs/outputs, for interfacing with 5-volt logic bus-oriented applications. A latch enable (LE) input and an output • Supply voltage range of 2.7V to 3.6V enable (OE) input are common to all internal latches. • Complies with JEDEC standard no. 8-1A The ’573A’ consists of eight D-type transparent latches with 3-State true outputs.