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SN74AHCT244 Datasheet Preview

SN74AHCT244 Datasheet

Octal Buffers/Drivers

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SN54AHCT244, SN74AHCT244
SCLS228M – OCTOBER 1995 – REVISED JULY 2014
SNx4AHCT244 Octal Buffers/Drivers With 3-State Outputs
1 Features
1 Inputs Are TTL-Voltage Compatible
• 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
• Network Switches
• Power Infrastructures
• PCs and Notebooks
• Wearable Health and Fitness Devices
• Tests and Measurements
3 Description
These octal buffers/drivers are designed specifically
to improve both the performance and density of
3-state memory-address drivers, clock drivers, and
bus-oriented receivers and transmitters.
PART NUMBER
SNx4AHCT244
Device Information(1)
PACKAGE
BODY SIZE (NOM)
PDIP (20)
25.40 mm x 6.35 mm
SOP (20)
12.60 mm x 5.30 mm
SSOP (20)
7.50 mm x 5.30 mm
TVSOP (20)
5.00 mm x 4.40 mm
TSSOP (20)
6.50 mm x 4.40 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
4 Simplified Schematic
1
1OE
19
2OE
2
1A1
18
1Y1
11
2A1
9
2Y1
4
1A2
16
1Y2
13
2A2
7
2Y2
6
1A3
14
1Y3
15
2A3
5
2Y3
8
1A4
12
1Y4
17
2A4
3
2Y4
1
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.




etcTI

SN74AHCT244 Datasheet Preview

SN74AHCT244 Datasheet

Octal Buffers/Drivers

No Preview Available !

SN54AHCT244, SN74AHCT244
SCLS228M – OCTOBER 1995 – REVISED JULY 2014
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Simplified Schematic............................................. 1
5 Revision History..................................................... 2
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 4
7.1 Absolute Maximum Ratings ...................................... 4
7.2 Handling Ratings....................................................... 4
7.3 Recommended Operating Conditions....................... 4
7.4 Thermal Information .................................................. 4
7.5 Electrical Characteristics........................................... 5
7.6 Switching Characteristics .......................................... 5
7.7 Noise Characteristics ................................................ 5
7.8 Operating Characteristics.......................................... 6
7.9 Typical Characteristics .............................................. 6
8 Parameter Measurement Information .................. 7
9 Detailed Description .............................................. 8
9.1 Overview ................................................................... 8
9.2 Functional Block Diagram ......................................... 8
9.3 Feature Description................................................... 8
9.4 Device Functional Modes.......................................... 8
10 Application and Implementation.......................... 9
10.1 Application Information............................................ 9
10.2 Typical Application ................................................. 9
11 Power Supply Recommendations ..................... 10
12 Layout................................................................... 10
12.1 Layout Guidelines ................................................. 10
12.2 Layout Example .................................................... 10
13 Device and Documentation Support ................. 11
13.1 Related Links ........................................................ 11
13.2 Trademarks ........................................................... 11
13.3 Electrostatic Discharge Caution ............................ 11
13.4 Glossary ................................................................ 11
14 Mechanical, Packaging, and Orderable
Information ........................................................... 11
5 Revision History
Changes from Revision L (July 2003) to Revision M
Page
• Updated document to new TI data sheet format. ................................................................................................................... 1
• Removed Ordering Information table. .................................................................................................................................... 1
• Added Military Disclaimer to Features List ............................................................................................................................ 1
• Added Handling Ratings table. .............................................................................................................................................. 4
• Changed MAX operating temperature from 85°C to 125°C in Recommended Operating Conditions table. ......................... 4
• Added Thermal Information table. ......................................................................................................................................... 4
• Added Typical Characteristics section. .................................................................................................................................. 6
• Added Detailed Description section. ...................................................................................................................................... 8
• Added Application and Implementation section. ................................................................................................................... 9
• Added Layout section. ......................................................................................................................................................... 10
2
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Copyright © 1995–2014, Texas Instruments Incorporated
Product Folder Links: SN54AHCT244 SN74AHCT244


Part Number SN74AHCT244
Description Octal Buffers/Drivers
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