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SN74LV125A Quadruple Bus Buffer Gates With 3-State Outputs

1 Features

• 2-V to 5.5-V VCC Operation

• Max tpd of 6 ns at 5 V

• Typical VOLP (Output Ground Bounce)

< 0.8 V at VCC = 3.3 V, TA = 25°C

• Typical VOHV (Output VOH Undershoot)

> 2.3 V at VCC = 3.3 V, TA = 25°C

• Support Mixed-Mode Voltage Operation on

All Ports

• Ioff Supports Partial-Power-Down Mode Operation

• Latch-Up Performance Exceeds 250 mA Per

JESD 17

• ESD Protection Exceeds JESD 22

– 4000-V Human-Body Model

– 200-V Machine Model

– 2000-V Charged-Device Model

2 Applications

• Flow Meters

• Solid State Drives (SSDs): Enterprise

• Power Over Ethernet (PoE)

• Programmable Logic Controllers

• Motor Drives and Controls

• Electronic Points of Sale

3 Description

The SN74LV125A quadruple bus buffer gate is

designed for 2-V to 5.5-V VCC operation.

Device Information

PART NUMBER(1) PACKAGE BODY SIZE (NOM)

SN74LV125A

DGV (TVSOP, 14) 3.60 mm x 4.40 mm

D (SOIC, 14) 8.65 mm × 3.90 mm

NS (SO, 14) 10.20 mm x 5.30 mm

DB (SSOP, 14) 6.20 mm x 5.30 mm

PW (TSSOP, 14) 5.00 mm x 4.40 mm

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

2A 2Y

2OE

1A 1Y

1OE

4A 4Y

4OE

3A 3Y

3OE

Simplified Schematic

SN74LV125A

SCES124O – DECEMBER 1997 – REVISED MAY 2022

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

Table of Contents

1 Features............................................................................1

2 Applications..................................................................... 1

3 Description.......................................................................1

4 Revision History.............................................................. 2

5 Pin Configuration and Functions...................................3

Pin Functions.................................................................... 3

6 Specifications.................................................................. 4

6.1 Absolute Maximum Ratings........................................ 4

6.2 ESD Ratings............................................................... 4

6.3 Recommended Operating Conditions.........................5

6.4 Thermal Information....................................................5

6.5 Electrical Characteristics.............................................6

6.6 Switching Characteristics, VCC = 2.5 V ± 0.2 V...........6

6.7 Switching Characteristics, VCC = 3.3 V ± 0.3 V...........6

6.8 Switching Characteristics, VCC = 5 V ± 0.5 V..............7

6.9 Noise Characteristics..................................................7

6.10 Operating Characteristics......................................... 7

6.11 Typical Characteristics.............................................. 7

7 Parameter Measurement Information............................ 8

8 Detailed Description........................................................9

8.1 Overview.....................................................................9

8.2 Functional Block Diagram........................................... 9

8.3 Feature Description.....................................................9

8.4 Device Functional Modes............................................9

9 Application and Implementation.................................. 10

9.1 Application Information............................................. 10

9.2 Typical Application.................................................... 10

10 Power Supply Recommendations..............................11

11 Layout...........................................................................12

11.1 Layout Guidelines................................................... 12

11.2 Layout Example...................................................... 12

12 Device and Documentation Support..........................12

12.1 Related Links.......................................................... 12

12.2 Trademarks.............................................................12

12.3 Electrostatic Discharge Caution..............................12

12.4 Glossary..................................................................12

13 Mechanical, Packaging, and Orderable

Information.................................................................... 12

4 Revision History

Changes from Revision N (January 2015) to Revision O (May 2022) Page

• Updated the numbering, formatting, tables, figures, and cross-references throughout the document to reflect

modern data sheet standards.............................................................................................................................4

Changes from Revision M (December 2014) to Revision N (January 2015) Page

• Added Tj spec to table...........................................................................................Absolute Maximum Ratings 4

• Added text to section .........................................................................................................................Overview 9

Changes from Revision L (April 2005) to Revision M (December 2014) Page

• Added , table, table, table, Applications Device Information Pin Functions ESD Ratings Thermal Information

table, Typical Characteristics Feature Description Device Functional Modes Application and , section, ,

Implementation Power Supply Recommendations Layout Device and section, section, section,

Documentation Support Mechanical, Packaging, and Orderable Information section, and section................... 1

• Deleted table.....................................................................................................................Ordering Information 1

• Changed MAX operating temperature to 125°C in table. ......................Recommended Operating Conditions 5

SN74LV125A

SCES124O – DECEMBER 1997 – REVISED MAY 2022 www.ti.com

Product Folder Links: SN74LV125A

5 Pin Configuration and Functions

1OE

2OE

GND

VCC

4OE

3OE

SN74LV125A . . . D, DB, DGV, N, NS,

OR PW PACKAGE

(TOP VIEW)

SN74LV125A . . . RGY PACKAGE

(TOP VIEW)

1 14

7 8

4OE

3OE

2OE

1OE

3Y V

GND

Pin Functions

PIN TYPE(1) DESCRIPTION

NO. NAME

1 1OE I Output Enable 1, Active Low

2 1A I 1A Input

3 1Y O 1Y Output

4 2OE I Output Enable 2, Active Low

5 2A I 2A Input

6 2Y O 2Y Output

7 GND — Ground Pin

8 3Y O 3Y Output

9 3A I 3A Input

10 3OE I Output Enable 3, Active Low

11 4Y O 4Y Output

12 4A I 4A Input

13 4OE I Output Enable 4, Active Low

14 VCC — Power Pin

(1) Signal Types: I = Input, O = Output, I/O = Input or Output.

www.ti.com

SN74LV125A

SCES124O – DECEMBER 1997 – REVISED MAY 2022

Product Folder Links: SN74LV125A

Product specificaties

Merk:	Texas Instruments
Categorie:	Niet gecategoriseerd
Model:	SN74LV125APWR
Breedte:	5.1 mm
Diepte:	4.5 mm
Hoogte:	1.05 mm
Breedte verpakking:	449 mm
Diepte verpakking:	853 mm
Hoogte verpakking:	35 mm
Soort:	Logic IC
Type verpakking:	TSSOP
Aantal per verpakking:	2000 stuk(s)
Temperatuur bij opslag:	-65 - 150 °C
Bedrijfstemperatuur (T-T):	-40 - 125 °C
Aantal pinnen:	14
Breedte (met pennen):	5.1 mm
Diepte (met pennen):	6.6 mm
Hoogte (met pennen):	1.2 mm