Buffer Gate. SN54LV126A Datasheet

SN54LV126A Gate. Datasheet pdf. Equivalent

Part SN54LV126A
Description Quadruple Bus Buffer Gate
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SN54LV126A
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SN54LV126A, SN74LV126A
SCES131I – MARCH 1998 – REVISED FEBRUARY 2015
SNx4LV126A Quadruple Bus Buffer Gates With 3-State Outputs
1 Features
1 2-V to 5.5-V VCC Operation
• Max tpd of 6.5 ns at 5 V
• Typical VOLP (Output Ground Bounce) <0.8 V at
VCC = 3.3 V, TA = 25°C
• Typical VOHV (Output VOH Undershoot) >2.3 V at
VCC = 3.3 V, TA = 25°C
• Ioff Supports Live Insertion, Partial Power Down
Mode, and Back Drive Protection
• Support Mixed-Mode Voltage Operation on All
Ports
• 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)
– 1000-V Charged-Device Model (C101)
2 Applications
• Servers
• Network Switch
• Electronic Point of Sales
• TV
• Set-Top-Box
3 Description
The ‘LV126A quadruple bus buffer gates are
designed for 2-V to 5.5-V VCC operation.
These quadruple bus buffer gates are designed for 2-
V to 5.5-V VCC operation.
The ’LV126A devices feature independent line drivers
with 3-state outputs. Each output is disabled when
the associated output-enable (OE) input is low.
To ensure the high-impedance state during power up
or power down, OE should be tied to GND through a
pulldown resistor; the minimum value of the resistor is
determined by the current-sourcing capability of the
driver.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
SOIC (14)
3.91 mm × 8.65 mm
SOP (14)
5.30 mm × 10.30 mm
SN74LV126A
SSOP (14)
5.30 mm × 6.20 mm
TSSOP (14)
4.40 mm × 5.00 mm
TVSOP (14)
4.40 mm × 3.60 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Logic Diagram (Positive Logic)
1
1OE
10
3OE
2
1A
3
1Y
9
3A
8
3Y
4
2OE
5
2A
6
2Y
13
4OE
12
4A
11
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.



SN54LV126A
SN54LV126A, SN74LV126A
SCES131I – MARCH 1998 – REVISED FEBRUARY 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 5
6.5 Electrical Characteristics........................................... 5
6.6 Switching Characteristics, VCC = 2.5 V ±0.2 V ......... 6
6.7 Switching Characteristics, VCC = 3.3 V ±0.3 V ......... 6
6.8 Switching Characteristics, VCC = 5 V ±0.5 V ............ 6
6.9 Noise Characteristics for SN74LV126A .................... 7
6.10 Operating Characteristics........................................ 7
6.11 Typical Characteristics ............................................ 7
7 Parameter Measurement Information .................. 8
8 Detailed Description .............................................. 9
8.1 Overview ................................................................... 9
8.2 Functional Block Diagram ......................................... 9
8.3 Feature Description................................................... 9
8.4 Device Functional Modes.......................................... 9
9 Application and Implementation ........................ 10
9.1 Application Information............................................ 10
9.2 Typical Application ................................................. 10
10 Power Supply Recommendations ..................... 11
11 Layout................................................................... 11
11.1 Layout Guidelines ................................................. 11
11.2 Layout Example .................................................... 11
12 Device and Documentation Support ................. 12
12.1 Related Links ........................................................ 12
12.2 Trademarks ........................................................... 12
12.3 Electrostatic Discharge Caution ............................ 12
12.4 Glossary ................................................................ 12
13 Mechanical, Packaging, and Orderable
Information ........................................................... 12
4 Revision History
Changes from Revision H (April 2005) to Revision I
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section ................................................................................................. 1
• Updated operating free-air temperature maximum from 85°C to 125°C for SN74LV126A ................................................... 5
2
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