74HC573BQ

74HC573 74HCT573 Octal D-type transparent latch 3-state Rev. 7 4 March 2016 Product data sheet 1. General description 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. Operation of the OE input does not affect the state of the latches. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of V . CC 2. Features and benefits Input levels: For 74HC573: CMOS level For 74HCT573: TTL level Inputs and outputs on opposite sides of package allowing easy interface with microprocessors Useful as input or output port for microprocessors and microcomputers 3-state non-inverting outputs for bus-oriented applications Common 3-state output enable input Multiple package options Complies with JEDEC standard no. 7 A ESD protection: HBM JESD22-A114F exceeds 2 000 V MM JESD22-A115-A exceeds 200 V Specified from 40 Cto+85 C and from 40 Cto+125 C74HC573 74HCT573 NXP Semiconductors Octal D-type transparent latch 3-state 3. Ordering information Table 1. Ordering information Type number Package Temperature range Name Description Version 74HC573D 40 C to +125 C SO20 plastic small outline package 20 leads SOT163-1 body width 7.5 mm 74HCT573D 74HC573DB 40 C to +125 C SSOP20 plastic shrink small outline package 20 leads SOT339-1 body width 5.3 mm 74HCT573DB 74HC573PW 40 C to +125 C TSSOP20 plastic thin shrink small outline package 20 leads SOT360-1 body width 4.4 mm 74HCT573PW 74HC573BQ 40 C to +125 C DHVQFN20 plastic dual in-line compatible thermal enhanced very SOT764-1 thin quad flat package no leads 20 terminals 74HCT573BQ body 2.5 4.5 0.85 mm 4. Functional diagram 7 / 7 ( 67 WR 3 6 PQ Fig 1. Functional diagram 74HC HCT573 All information provided in this document is subject to legal disclaimers. NXP Semiconductors N.V. 2016. All rights reserved. Product data sheet Rev. 7 4 March 2016 2 of 20 D 2( /( 4 4 4 4 87287 &+ 4 4 4 4