Texas Instruments SN74AHCT126N Bedienungsanleitung


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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
1
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
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.
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
2Submit Documentation Feedback Copyright © 1995–2014, Texas Instruments Incorporated
Product Folder Links: SN54AHCT126 SN74AHCT126
3 2 1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
4A
NC
4Y
NC
3OE
1Y
NC
2OE
NC
2A
1A
1OE
NC
3Y
3A
V
4OE
2Y
GND
NC
SN54AHCT126 . . . FK PACKAGE
(TOP VIEW)
CC
NC No internal connection
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1OE
1A
1Y
2OE
2A
2Y
GND
VCC
4OE
4A
4Y
3OE
3A
3Y
SN54AHCT126 . . . J OR W PACKAGE
SN74AHCT126 . . . D, DB, DGV, N, NS, OR PW PACKAGE
(TOP VIEW)
SN54AHCT126
,
SN74AHCT126
www.ti.com
SCLS265P –DECEMBER 1995 REVISED AUGUST 2014
6 Pin Conguration and Functions
Pin Functions
PIN
SN74AHCT126 SN54AHCT126 I/O DESCRIPTION
NAME D, DB, DGV, J, W FK
N, NS, PW
1A 2 2 3 I 1A Input
1OE 1 1 2 I Output Enable 1
1Y 3 3 4 O 1Y Output
2A 5 5 8 I 2A Input
2OE 4 4 6 I Output Enable 2
2Y 6 6 9 O 2Y Output
3A 9 9 13 I 3A Input
3OE 10 10 14 I Output Enable 3
3Y 8 8 12 O 3Y Output
4A 12 12 18 I 4A Input
4OE 13 13 19 I Output Enable 4
4Y 11 11 16 O 4Y Output
GND 7 7 10 Ground Pin
1
5
7
NC No Connection
11
15
17
VCC 14 14 20 Power Pin
Copyright © 1995–2014, Texas Instruments Incorporated Submit Documentation Feedback 3
Product Folder Links: SN54AHCT126 SN74AHCT126


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