Diodes 74LVC125A Uživatelský manuál stáhnout pdf

74LVC125A

Document number: DS35265 Rev. 3 - 2

1 of 10

www.diodes.com

July 2012

74LVC125

QUADRUPLE 3-STATE BUFFERS

Description

The 74LVC125A provides four independent buffers with three state

outputs. Each output is independently controlled by an associated

output enable pin (OE) which places the device in the high

impedance state when driven high. The device is designed for

operation with a power supply range of 1.65V to 5.5V. The inputs are

tolerant to 5.5V allowing this device to be used in a mixed voltage

environment. The device is fully specified for partial power down

applications using IOFF. The IOFF circuitry disables the output

preventing damaging current backflow when the device is powered

down.

Features

• Supply Voltage Range from 1.65V to 5.5V

• Sinks 24mA at Vcc = 3.3V

• CMOS low power consumption

• IOFF Supports Partial-Power-Down Mode Operation

• Inputs or outputs accept up to 5.5V

• Inputs can be driven by 3.3V or 5.5V allowing for voltage

translation applications.

• 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)

• Latch-Up Exceeds 250mA per JESD 78, Class II

• 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

Applications

• Voltage Level Shifting

• General Purpose Logic

• Power Down Signal Isolation

• Wide array of products such as:

 PCs, networking, notebooks, ultrabooks, 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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Strany 1 - QUADRUPLE 3-STATE BUFFERS

74LVC125A Document number: DS35265 Rev. 3 - 2 1 of 10 www.diodes.com July 2012© Diodes Incorporated 74LVC125AQUADRUPLE 3-STATE BUFFERS Description

Strany 2 - Inputs Output

74LVC125A Document number: DS35265 Rev. 3 - 2 10 of 10 www.diodes.com July 2012© Diodes Incorporated 74LVC125A IMPORTANT NOTICE DIODES INCORPORAT

Strany 3

74LVC125A Document number: DS35265 Rev. 3 - 2 2 of 10 www.diodes.com July 2012© Diodes Incorporated 74LVC125A Pin Descriptions Pin Number Pin Nam

Strany 4

74LVC125A Document number: DS35265 Rev. 3 - 2 3 of 10 www.diodes.com July 2012© Diodes Incorporated 74LVC125A Absolute Maximum Ratings (Note 4) (@

Strany 5

74LVC125A Document number: DS35265 Rev. 3 - 2 4 of 10 www.diodes.com July 2012© Diodes Incorporated 74LVC125A Electrical Characteristics (@TA = +2

Strany 6

74LVC125A Document number: DS35265 Rev. 3 - 2 5 of 10 www.diodes.com July 2012© Diodes Incorporated 74LVC125A Switching Characteristics Paramet

74LVC125A Document number: DS35265 Rev. 3 - 2 6 of 10 www.diodes.com July 2012© Diodes Incorporated 74LVC125A Parameter Measuement Information

Strany 8 - Package Type: TSSOP-14

74LVC125A Document number: DS35265 Rev. 3 - 2 7 of 10 www.diodes.com July 2012© Diodes Incorporated 74LVC125A Ordering Information Device Pack

Strany 9

74LVC125A Document number: DS35265 Rev. 3 - 2 8 of 10 www.diodes.com July 2012© Diodes Incorporated 74LVC125A Package Outline Dimensions (All dime

Strany 10 - 74LVC125

74LVC125A Document number: DS35265 Rev. 3 - 2 9 of 10 www.diodes.com July 2012© Diodes Incorporated 74LVC125A Suggested Pad Layout Package Type:

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