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74HCT573PW датащи(PDF) 1 Page - NXP Semiconductors |
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74HCT573PW датащи(HTML) 1 Page - NXP Semiconductors |
1 / 21 page 1. General description The 74HC573; 74HCT573 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL). It is specified in compliance with JEDEC standard no. 7A. The 74HC573; 74HCT573 has octal D-type transparent latches featuring separate D-type inputs for each latch and 3-state true outputs for bus-oriented applications. A latch enable (LE) input and an output enable (OE) input are common to all latches. When LE is HIGH, data at the Dn inputs enter the latches. In this condition, the latches are transparent, i.e. a latch output changes state each time its corresponding D input changes. When LE is LOW the latches store the information that was present at the D-inputs a set-up time preceding the HIGH-to-LOW transition of LE. When OE is LOW, the contents of the 8 latches are available at the outputs. When OE is HIGH, the outputs go to the high-impedance OFF-state. Operation of the OE input does not affect the state of the latches. The 74HC573; 74HCT573 is functionally identical to: • 74HC563; 74HCT563, but inverted outputs • 74HC373; 74HCT373, but different pin arrangement 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 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 C 74HC573; 74HCT573 Octal D-type transparent latch; 3-state Rev. 5 — 15 August 2012 Product data sheet |
Аналогичный номер детали - 74HCT573PW |
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Аналогичное описание - 74HCT573PW |
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