Texas Instruments SN74AHC540N Bedienungsanleitung


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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.
SN54AHC540
,
SN74AHC540
SCLS260M – DECEMBER 1995 – REVISED MAY 2016
SNx4AHC540 Octal Buers/Drivers With 3-State Outputs
1
1 Features
1
Operating Range 2-V to 5.5-V V CC
Latch-Up Performance Exceeds 250 mA
Per JESD 17
On Products Compliant to MIL-PRF-38535,
All Parameters Are Tested Unless Otherwise
Noted. On All Other Products, Production
Processing Does Not Necessarily Include Testing
of All Parameters.
2 Applications
• Servers
PCs and Notebooks
Network Switches
Wearable Health and Fitness Devices
Telecom Infrastructures
Electronic Points of Sale
3 Description
The SNx4AHC540 octal buers/drivers are ideal for
driving bus lines or buer memory address registers.
These devices feature inputs and outputs on opposite
sides of the package to facilitate printed circuit board
layout.
Device Information(1)
PART NUMBER PACKAGE (PINS) BODY SIZE (NOM)
SN74AHC540N PDIP (20) 25.40 mm × 6.35 mm
SN74AHC540DB SSOP (20) 7.50 mm × 5.30 mm
SN74AHC540PW TSSOP (20) 6.50 mm × 4.40 mm
SN74AHC540DGV TVSOP (20) 5.00 mm × 4.40 mm
SN74AHC540DW SOIC (20) 12.80 mm × 7.50 mm
SNJ54AHC540FK LCCC (20) 9.0 mm x 9.0 mm
SNJ54AHC540W CFP (20) 13.72 mm x 8.13 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Simplied Schematic
2
SN54AHC540
,
SN74AHC540
SCLS260M – DECEMBER 1995 – REVISED MAY 2016
www.ti.com
Product Folder Links: SN54AHC540 SN74AHC540
Submit Documentation Feedback Copyright © 1995–2016, Texas Instruments Incorporated
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Conguration and Functions ......................... 4
6 Specications......................................................... 5
6.1 Absolute Maximum Ratings ...................................... 5
6.2 ESD Ratings.............................................................. 5
6.3 Recommended Operating Conditions....................... 5
6.4 Thermal Information.................................................. 6
6.5 Electrical Characteristics........................................... 6
6.6 Switching Characteristics, VCC = 3.3 V ± 0.3 V ........ 7
6.7 Switching Characteristics, VCC = 5 V ± 0.5 V ........... 7
6.8 Noise Characteristics ................................................ 8
6.9 Operating Characteristics.......................................... 8
6.10 Typical Characteristics ............................................ 8
7 Parameter Measurement Information .................. 9
8 Detailed Description ............................................ 10
8.1 Overview ................................................................. 10
8.2 Functional Block Diagram ....................................... 10
8.3 Feature Description................................................. 10
8.4 Device Functional Modes........................................ 10
9 Application and Implementation ........................ 11
9.1 Application Information............................................ 11
9.2 Typical Application ................................................. 11
10 Power Supply Recommendations ..................... 12
10.1 Layout Guidelines ................................................. 12
11 Layout................................................................... 12
11.1 Layout Example .................................................... 12
12 Device and Documentation Support ................. 13
12.1 Community Resources.......................................... 13
12.2 Related Links ........................................................ 13
12.3 Trademarks ........................................................... 13
12.4 Electrostatic Discharge Caution............................ 13
12.5 Glossary ................................................................ 13
13 Mechanical, Packaging, and Orderable
Information ........................................................... 13
4 Revision History
NOTE: Page numbers for previous revisions may dier from page numbers in the current version.
Changes from Revision L (October 2015) to Revision M Page
Updated front page Simplied Schematic diagram ............................................................................................................... 1
Updated Pin Out drawing diagrams to new standard ............................................................................................................ 4
Updated Functional Block Diagram ..................................................................................................................................... 10
Updated Outputs in Function Table of section ..........................................................................Device Functional Modes 10
Changes from Revision K (September 2014) to Revision L Page
Added junction temperature .................................................................................................................................................. 5
Updated the table to an table and move the storage temperature to theHandling Ratings ESD Ratings Absolute
Maximum Ratings table ......................................................................................................................................................... 5
Corrected the to state that the outputs provide non-inverted data ......................................................................Overview 10
• Added .............................................................................................................................................Community Resources 13
Changes from Revision J (July 2003) to Revision K Page
Updated document to new TI data sheet format. ................................................................................................................... 1
Deleted Ordering Information table ........................................................................................................................................ 1
Added Military Disclaimer to Features list .............................................................................................................................. 1
• Added .................................................................................................................................................................Applications 1
Updated the simplied schematic........................................................................................................................................... 1
• Added table......................................................................................................................................................Pin Functions 4
Added table ................................................................................................................................................Handling Ratings 5
Extended operating temperature range to 125°C................................................................................................................... 5
Added Thermal Information table. .......................................................................................................................................... 6
Added –40°C to 125°C range for SN74AHC540 in table...............................................................Electrical Characteristics 6
3
SN54AHC540
,
SN74AHC540
www.ti.com
SCLS260M – DECEMBER 1995 – REVISED MAY 2016
Product Folder Links: SN54AHC540 SN74AHC540
Submit Documentation FeedbackCopyright © 1995–2016, Texas Instruments Incorporated
Added TA= –40°C to 125°C for SN74AHC540 in both Switching Characteristics tables. ..................................................... 7
Added Typical Characteristics. ............................................................................................................................................... 8
• Added section......................................................................................................................................Detailed Description 10
• Added section....................................................................................................................Application and Implementation 11
• Added and sections............................................................................................Power Supply Recommendations Layout 12


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Marke: Texas Instruments
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Modell: SN74AHC540N

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