Texas Instruments SN74AHC244DWR Manual

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SN54AHC244

SN74AHC244

SCLS226K – OCTOBER 1995 – REVISED JULY 2014

SNx4AHC244 Octal Buers/Drivers With 3-State Outputs

1 Features 3 Description

These octal buers and drivers are designed

• Operating Range 2-V to 5.5-V V CC specically to improve the performance and density of

• Latch-Up Performance Exceeds 250 mA Per 3-state memory-address drivers, clock drivers, and

JESD 17 bus-oriented receivers and transmitters.

• On Products Compliant to MIL-PRF-38535,

Device Information(1)

All Parameters Are Tested Unless Otherwise

Noted. On All Other Products, Production PART NUMBER PACKAGE BODY SIZE (NOM)

Processing Does Not Necessarily Include Testing SSOP (20) 7.20 mm × 5.30 mm

of All Parameters. SOIC (20) 12.80 mm × 7.50 mm

SNx4AHC244 PDIP (20) 24.33 mm × 6.35 mm

2 Applications TSSOP (20) 12.60 mm × 5.30 mm

• Network Switches VQFN (20) 4.50 mm × 3.50 mm

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

the end of the data sheet.

• PCs and Notebooks

• Wearable Health and Fitness Devices

• Tests and Measurements

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.

SN54AHC244

SN74AHC244

SCLS226K – OCTOBER 1995 – REVISED JULY 2014

www.ti.com

Table of Contents

1 Features 9 Detailed Description.................................................................. 1.............................................. 9

9.1 Overview ................................................................... 9

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

9.2 Functional Block Diagram ......................................... 9

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

9.3 Feature Description................................................... 9

4 Simplied Schematic............................................. 1

9.4 Device Functional Modes.......................................... 9

5 Revision History..................................................... 210 Application and Implementation........................ 10

6 Pin Conguration and Functions ......................... 310.1 Application Information.......................................... 10

7 Specications......................................................... 410.2 Typical Application ............................................... 10

7.1 Absolute Maximum Ratings ...................................... 411 Power Supply Recommendations ..................... 11

7.2 Handling Ratings....................................................... 412 Layout................................................................... 11

7.3 Recommended Operating Conditions ....................... 4

12.1 Layout Guidelines ................................................. 11

7.4 Thermal Information.................................................. 5

12.2 Layout Example .................................................... 11

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

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

7.6 Switching Characteristics .......................................... 6

13.1 Related Links ........................................................ 12

7.7 Switching Characteristics .......................................... 6

13.2 Trademarks ........................................................... 12

7.8 Noise Characteristics ................................................ 7

13.3 Electrostatic Discharge Caution............................ 12

7.9 Operating Characteristics.......................................... 7

13.4 Glossary ................................................................ 12

7.10 Typical Characteristics ............................................ 7

14 Mechanical, Packaging, and Orderable

8 Parameter Measurement Information .................. 8Information ........................................................... 12

5 Revision History

NOTE: Page numbers for previous revisions may dier from page numbers in the current version.

Changes from Revision J (July 2003) to Revision K Page

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

• Removed 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 ambient temperature in Recommended Operating Conditions table. ........................................................... 4

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

• Added Typical Characteristics. .............................................................................................................................................. 7

Product Folder Links: SN54AHC244 SN74AHC244

Produkt Specifikationer

Mærke:	Texas Instruments
Kategori:	Ikke kategoriseret
Model:	SN74AHC244DWR
Type:	Logisk kredsløb
Bredde:	13 mm
Dybde:	7.6 mm
Højde:	2.35 mm
Antal pr. pakke:	2000 stk
Pakkedybde:	367 mm
Pakkebredde:	367 mm
Pakkehøjde:	45 mm
Opbevaringstemperatur (T-T):	-65 - 150 °C
Driftstemperatur (T-T):	-40 - 125 °C
Pakketype:	SOIC
Antal stifter:	20
Bredde (med stifter):	13 mm
Højde (med stifter):	2.65 mm
Dybde (med stifter):	10.63 mm