Buffer Gates. SN74AHCT126 Datasheet

SN74AHCT126 Gates. Datasheet pdf. Equivalent

SN74AHCT126 Datasheet
Recommendation SN74AHCT126 Datasheet
Part SN74AHCT126
Description Quadruple Bus Buffer Gates
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Texas Instruments SN74AHCT126
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SN54AHCT126, SN74AHCT126
SCLS265P – DECEMBER 1995 – REVISED AUGUST 2014
SNx4AHCT126 Quadruple Bus Buffer Gates With 3-State Outputs
1 Features
1 Inputs Are TTL-Voltage Compatible
• Latch-Up Performance Exceeds 250 mA Per
JESD 17
• ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
• 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 SNxAHCT126 devices are quadruple-bus buffer
gates featuring independent line drivers with 3-state
outputs.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
SOIC (14)
8.65 mm × 3.91 mm
SSOP (14)
6.20 mm × 5.30 mm
SNx4AHCT126
TVSOP (14)
PDIP (14)
3.60 mm × 4.40 mm
3.90 mm × 6.35 mm
SOP (14)
10.30 mm × 5.30 mm
TSSOP (14)
5.00 mm × 4.40 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
4 Simplified Schematic
1OE
3OE
1A 1Y 3A 3Y
2OE
2A
4OE
2Y 4A
4Y
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.



Texas Instruments SN74AHCT126
SN54AHCT126, SN74AHCT126
SCLS265P – DECEMBER 1995 – REVISED AUGUST 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 .................................................. 5
7.5 Electrical Characteristics........................................... 5
7.6 Switching Characteristics, VCC = 5 V ± 0.5 V .......... 6
7.7 Noise Characteristics ................................................ 6
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 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
2 Submit Documentation Feedback
Copyright © 1995–2014, Texas Instruments Incorporated
Product Folder Links: SN54AHCT126 SN74AHCT126



Texas Instruments SN74AHCT126
www.ti.com
6 Pin Configuration and Functions
SN54AHCT126 . . . J OR W PACKAGE
SN74AHCT126 . . . D, DB, DGV, N, NS, OR PW PACKAGE
(TOP VIEW)
1OE
1A
1Y
2OE
2A
2Y
GND
1
2
3
4
5
6
7
14 VCC
13 4OE
12 4A
11 4Y
10 3OE
9 3A
8 3Y
SN54AHCT126, SN74AHCT126
SCLS265P – DECEMBER 1995 – REVISED AUGUST 2014
SN54AHCT126 . . . FK PACKAGE
(TOP VIEW)
1Y
NC
2OE
NC
2A
3 2 1 20 19
4 18
5 17
6 16
7 15
8 14
9 10 11 12 13
4A
NC
4Y
NC
3OE
NAME
1A
1OE
1Y
2A
2OE
2Y
3A
3OE
3Y
4A
4OE
4Y
GND
NC
VCC
PIN
SN74AHCT126
D, DB, DGV,
N, NS, PW
2
1
3
5
4
6
9
10
8
12
13
11
7
14
NC – No internal connection
Pin Functions
SN54AHCT126
J, W
FK
23
12
34
58
46
69
9 13
10 14
8 12
12 18
13 19
11 16
7 10
1
5
7
11
15
17
14 20
I/O DESCRIPTION
I 1A Input
I Output Enable 1
O 1Y Output
I 2A Input
I Output Enable 2
O 2Y Output
I 3A Input
I Output Enable 3
O 3Y Output
I 4A Input
I Output Enable 4
O 4Y Output
— Ground Pin
— No Connection
— Power Pin
Copyright © 1995–2014, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Links: SN54AHCT126 SN74AHCT126
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