Diodes 74HCT125 Manuel d'utilisateur télécharger pdf

74HCT125

Document number: DS35336 Rev. 3 - 2

1 of 8

www.diodes.com

January 2013

74HCT125

QUADRUPLE 3-STATE BUFFERS OE LOW

Description

The 74HCT125 provides provides four independent buffer gates with

3-state outputs. Each buffer has a separate enable pin that if driven

with a high logic level places the corresponding output in the high

impedance state. The device is designed for operation with a power

supply range of 4.5V to 5.5V.

Features

• Wide Supply Voltage Range from 4.5V to 5.5V

• Pin Compatible with Low Power Schottky (LSTTL)

• Inputs Are TTL Voltage Level Compatible

• Sinks or Sources 4mA at V

= 4.5V

• CMOS Low Power Consumption

• Schmitt Trigger Action at All Inputs

• ESD Protection Exceeds JESD 22

 200-V Machine Model (A115-A)

 2000-V Human Body Model (A114-A)

 Exceeds 1000-V Charged Device Model (C101C)

• Range of Package Options SO-14 and TSSOP-14

• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

• Halogen and Antimony Free. “Green” Device (Note 3)

Pin Assignments

1OE

GND

4OE

3OE

Vcc

( Top View )

2OE

SO-14 / TSSOP-14

Applications

• General Purpose Logic

• Wide array of products such as:

 PCs, networking, notebooks, netbooks

 Computer peripherals, hard drives, CD/DVD ROM

 TV, DVD, DVR, set top box

Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

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Page 1 - 74HCT125

74HCT125 Document number: DS35336 Rev. 3 - 2 1 of 8 www.diodes.com January 2013© Diodes Incorporated 74HCT125QUADRUPLE 3-STATE BUFFERS OE LOW De

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74HCT125 Document number: DS35336 Rev. 3 - 2 2 of 8 www.diodes.com January 2013© Diodes Incorporated 74HCT125 Pin Descriptions Pin Number Pin Na

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74HCT125 Document number: DS35336 Rev. 3 - 2 3 of 8 www.diodes.com January 2013© Diodes Incorporated 74HCT125 Absolute Maximum Ratings (Note 4)

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74HCT125 Document number: DS35336 Rev. 3 - 2 4 of 8 www.diodes.com January 2013© Diodes Incorporated 74HCT125 Switching Characteristics Symbol

Page 5 - Marking Information

74HCT125 Document number: DS35336 Rev. 3 - 2 5 of 8 www.diodes.com January 2013© Diodes Incorporated 74HCT125 Ordering Information Device

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74HCT125 Document number: DS35336 Rev. 3 - 2 6 of 8 www.diodes.com January 2013© Diodes Incorporated 74HCT125 Package Outline Dimensions (All dim

Page 7 - Suggested Pad Layout

74HCT125 Document number: DS35336 Rev. 3 - 2 7 of 8 www.diodes.com January 2013© Diodes Incorporated 74HCT125 Suggested Pad Layout Please see AP0

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