Használati útmutató Texas Instruments SN74AHCT126N

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SN54AHCT126

SN74AHCT126

SCLS265P – DECEMBER 1995 – REVISED AUGUST 2014

SNx4AHCT126 Quadruple Bus Buer Gates With 3-State Outputs

1 Features 3 Description

The SNxAHCT126 devices are quadruple-bus buer

• Inputs Are TTL-Voltage Compatible gates featuring independent line drivers with 3-state

• Latch-Up Performance Exceeds 250 mA Per outputs.

JESD 17

• ESD Protection Exceeds JESD 22 Device Information(1)

PART NUMBER PACKAGE BODY SIZE (NOM)

– 2000-V Human-Body Model (A114-A)

SOIC (14) 8.65 mm × 3.91 mm

– 200-V Machine Model (A115-A)

SSOP (14) 6.20 mm × 5.30 mm

• On Products Compliant to MIL-PRF-38535,

TVSOP (14) 3.60 mm × 4.40 mm

All Parameters Are Tested Unless Otherwise SNx4AHCT126 PDIP (14) 3.90 mm × 6.35 mm

Noted. On All Other Products, Production

Processing Does Not Necessarily Include Testing SOP (14) 10.30 mm × 5.30 mm

of All Parameters. TSSOP (14) 5.00 mm × 4.40 mm

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

2 Applications the end of the data sheet.

• Servers

• PCs and Notebooks

• Network Switches

• Wearable Health and Fitness Devices

• Telecom Infrastructures

• Electronic Points of Sale

4 Simplied Schematic

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.

SN54AHCT126

SN74AHCT126

SCLS265P – DECEMBER 1995 – REVISED AUGUST 2014

www.ti.com

Table of Contents

9.1 Overview ................................................................... 8

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

9.2 Functional Block Diagram ......................................... 8

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

9.3 Feature Description................................................... 8

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

9.4 Device Functional Modes.......................................... 8

4 Simplied Schematic............................................. 110 Application and Implementation.......................... 9

5 Revision History..................................................... 210.1 Application Information............................................ 9

6 Pin Conguration and Functions ......................... 310.2 Typical Application ................................................. 9

7 Specications......................................................... 411 Power Supply Recommendations ..................... 10

7.1 Absolute Maximum Ratings ...................................... 412 Layout................................................................... 10

7.2 Handling Ratings....................................................... 412.1 Layout Guidelines ................................................. 10

7.3 Recommended Operating Conditions....................... 412.2 Layout Example .................................................... 10

7.4 Thermal Information.................................................. 513 Device and Documentation Support ................. 11

7.5 Electrical Characteristics........................................... 5

13.1 Related Links ........................................................ 11

7.6 Switching Characteristics, VCC = 5 V ± 0.5 V .......... 6

13.2 Trademarks ........................................................... 11

7.7 Noise Characteristics ................................................ 6

13.3 Electrostatic Discharge Caution............................ 11

7.8 Operating Characteristics.......................................... 6

13.4 Glossary ................................................................ 11

7.9 Typical Characteristics.............................................. 6

14 Mechanical, Packaging, and Orderable

8 Parameter Measurement Information .................. 7Information ........................................................... 11

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

5 Revision History

Changes from Revision O (July 2003) to Revision P Page

• Updated document to new TI data sheet standards. ............................................................................................................. 1

• Deleted Ordering Information Table. ...................................................................................................................................... 1

• Added Military Disclaimer to Features list. ............................................................................................................................. 1

• Added Applications. ................................................................................................................................................................ 1

• Added Pin Functions table...................................................................................................................................................... 3

• Added Handling Ratings table. ............................................................................................................................................... 4

• Changed MAX operating temperature to 125°C in Recommended Operating Conditions table. ......................................... 4

• Added Thermal Information table. .......................................................................................................................................... 5

• Added –40°C to 125°C for SN74AHCT126 in Electrical Characteristics table....................................................................... 5

• Added –40°C to 125°C for SN74AHCT126 in the Switching Characteristics table................................................................ 6

• Added Typical Characteristics. ............................................................................................................................................... 6

• Added Detailed Description section. ...................................................................................................................................... 8

• Added Application and Implementation section...................................................................................................................... 9

• Added Power Supply Recommendations and Layout sections............................................................................................ 10

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