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1 Features
2 Applications
3 Description
4 Simplified Schematic
Table of Contents
5 Revision History
6 Pin Configuration and Functions
7 Specifications
7.1 Absolute Maximum Ratings
7.2 ESD Ratings
7.3 Recommended Operating Conditions
7.4 Thermal Information
7.5 Electrical Characteristics
7.6 Switching Characteristics, CL = 15 pF
7.7 Switching Characteristics, –40°C to 85°C
7.8 Switching Characteristics, –40°C to 125°C
7.9  Operating Characteristics
7.10 Typical Characteristics
8 Parameter Measurement Information
9 Detailed Description
9.1 Overview
9.2 Functional Block Diagram
9.3 Feature Description
9.4 Device Functional Modes
10 Application and Implementation
10.1 Application Information
10.2 Typical Application
10.2.1 Design Requirements
10.2.2 Detailed Design Procedure
10.2.3 Application Curves
11 Power Supply Recommendations
12 Layout
12.1 Layout Guidelines
12.2 Layout Example
13 Device and Documentation Support
13.1 Trademarks
13.2 Electrostatic Discharge Caution
13.3 Glossary
14 Mechanical, Packaging, and Orderable Information
SN74LVC1G126 Single Bus Buffer Gate With 3-State Output SN74LVC1G126 SCES224R –APRIL 1999–REVISED JANUARY 2015 1 Features 1• Available in the Texas Instruments NanoFree™ Package Inputs Accept Voltages to 5.5 V • Supports 5-V VCC Operation • • Provides Down Translation to VCC • Max tpd of 3.7 ns at 3.3 V • • • Low Power Consumption, 10-μA Max ICC ±24-mA Output Drive at 3.3 V Ioff Supports Live Insertion, Partial-Power-Down Mode, and Back Drive Protection Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II • • ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model – 200-V Machine Model – 1000-V Charged-Device Model 4 Simplified Schematic 2 Applications • Cable Modem Termination Systems • High-Speed Data Acquisition and Generation • Military: Radars and Sonars • Motor Controls: High-Voltage • Power Line Communication Modems • SSDs: Internal or External • Video Broadcasting and Infrastructure: Scalable Platforms • Video Broadcasting: IP-Based Multi-Format Transcoders • Video Communication Systems 3 Description This single buffer is designed for 1.65-V to 3.6-V VCC operation. The LVC1G126 device is a single line driver with 3-state output. The output is disabled when the output-enable input is low. Device Information(1) BODY SIZE the end of the data sheet. SN74LVC1G126 PART NUMBER PACKAGE (PIN) SOT-23 (5) SC70 (5) SOT (5) SON (6) XBGA (5) 2.90 mm × 1.60 mm 2.00 mm × 1.25 mm 1.60 mm × 1.20 mm 1.00 mm × 1.00 mm 1.40 mm × 0.90 mm (1) For all available packages, see the orderable addendum at 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. AYOE124ProductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &Community
SN74LVC1G126 SCES224R –APRIL 1999–REVISED JANUARY 2015 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 ESD Ratings.............................................................. 4 7.3 Recommended Operating Conditions ...................... 5 7.4 Thermal Information.................................................. 5 7.5 Electrical Characteristics........................................... 6 7.6 Switching Characteristics, CL = 15 pF ...................... 6 7.7 Switching Characteristics, –40°C to 85°C................. 6 7.8 Switching Characteristics, –40°C to 125°C............... 7 7.9 Operating Characteristics ........................................ 7 7.10 Typical Characteristics............................................ 7 8 Parameter Measurement Information .................. 8 5 Revision History 9 Detailed Description ............................................ 10 9.1 Overview ................................................................. 10 9.2 Functional Block Diagram ....................................... 10 9.3 Feature Description................................................. 10 9.4 Device Functional Modes........................................ 10 10 Application and Implementation........................ 11 10.1 Application Information.......................................... 11 10.2 Typical Application ............................................... 11 11 Power Supply Recommendations ..................... 12 12 Layout................................................................... 12 12.1 Layout Guidelines ................................................. 12 12.2 Layout Example .................................................... 12 13 Device and Documentation Support ................. 13 13.1 Trademarks ........................................................... 13 13.2 Electrostatic Discharge Caution............................ 13 13.3 Glossary ................................................................ 13 14 Mechanical, Packaging, and Orderable Information ........................................................... 13 Changes from Revision Q (December 2013) to Revision R Page • Added Applications, Device Information table, Handling 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 Changes from Revision P (November 2012) to Revision Q Page • Updated document to new TI data sheet format. ................................................................................................................... 1 • Changed MAX operating temperature to 125°C in Recommended Operating Conditions table. ......................................... 5 • Added ESD warning. ............................................................................................................................................................ 13 Changes from Revision O (March 2011) to Revision P Page • Removed Ordering Information table. .................................................................................................................................... 1 Changes from Revision N (February 2007) to Revision O Page • Added DSF package option to the data sheet. ...................................................................................................................... 3 2 Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: SN74LVC1G126
www.ti.com 6 Pin Configuration and Functions SN74LVC1G126 SCES224R –APRIL 1999–REVISED JANUARY 2015 See mechanical drawings for dimensions. Pin Functions PIN SN74LVC1G126 NAME DBV, DCK, DRL, YZP DRY, DSF A GND NC OE VCC Y 2 3 — 1 5 4 2 3 5 1 6 4 TYPE I — — I — O A Input Ground Pin Do not connect OE Enable/Input Power Pin Y Output DESCRIPTION Copyright © 1999–2015, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: SN74LVC1G126 DBV PACKAGE(TOPVIEW)2534Y1AGNDOEVCCDCK PACKAGE(TOPVIEW)342Y1GNDAOE5VCCDRLPACKAGE(TOPVIEW)2A1OE34GNDY5VCCDRYPACKAGE(TOPVIEW)AN.C.OE65423GNDYVCC1YZPPACKAGE(BOTTOM VIEW)2A1OEGND43Y5VCCA1B1C1A2C2OEGNDDSF PACKAGE(TOPVIEW)AVCCYN.C.654231
SN74LVC1G126 SCES224R –APRIL 1999–REVISED JANUARY 2015 7 Specifications 7.1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted)(1) VCC VI VO VO IIK IOK IO Supply voltage range Input voltage range(2) Voltage range applied to any output in the high-impedance or power-off state(2) Voltage range applied to any output in the high or low state(2)(3) Input clamp current Output clamp current Continuous output current Continuous current through VCC or GND Storage temperature range VI < 0 VO < 0 www.ti.com UNIT MAX MIN 6.5 –0.5 6.5 –0.5 –0.5 6.5 –0.5 VCC + 0.5 –50 –50 ±50 ±100 150 –65 V V V V mA mA mA mA °C Tstg (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) The input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed. (3) The value of VCC is provided in the Recommended Operating Conditions table. 7.2 ESD Ratings PARAMETER DEFINITION V(ESD) Electrostatic discharge Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins(1) Charged device model (CDM), per JEDEC specification JESD22-C101, all pins(2) (1) (2) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process. VALUE 2000 1000 UNIT V 4 Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: SN74LVC1G126
www.ti.com 7.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted)(1) SN74LVC1G126 SCES224R –APRIL 1999–REVISED JANUARY 2015 MAX UNIT 5.5 V V V V V mA mA ns/V °C 0.35 × VCC 0.7 0.8 0.3 × VCC 5.5 VCC –4 –8 –16 –24 –32 4 8 16 24 32 20 10 5 125 VCC Supply voltage VIH High-level input voltage VIL VI VO IOH Low-level input voltage Input voltage Output voltage High-level output current IOL Low-level output current Δt/Δv Input transition rise or fall rate MIN 1.65 1.5 0.65 × VCC 1.7 2 0.7 × VCC 0 0 Operating Data retention only VCC = 1.65 V to 1.95 V VCC = 2.3 V to 2.7 V VCC = 3 V to 3.6 V VCC = 4.5 V to 5.5 V VCC = 1.65 V to 1.95 V VCC = 2.3 V to 2.7 V VCC = 3 V to 3.6 V VCC = 4.5 V to 5.5 V VCC = 1.65 V VCC = 2.3 V VCC = 3 V VCC = 4.5 V VCC = 1.65 V VCC = 2.3 V VCC = 3 V VCC = 4.5 V VCC = 1.8 V ± 0.15 V, 2.5 V ± 0.2 V VCC = 3.3 V ± 0.3 V VCC = 5 V ± 0.5 V Operating free-air temperature TA (1) All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, –40 Implications of Slow or Floating CMOS Inputs, literature number SCBA004. 7.4 Thermal Information THERMAL METRIC(1) SN74LVC1G126 DBV 5 PINS DCK 5 PINS DRL 5 PINS DRY 6 PINS YZP 5 PINS UNIT Junction-to-ambient thermal resistance RθJA (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 206 252 142 234 132 °C/W Copyright © 1999–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: SN74LVC1G126
1.65 V to 5.5 V VCC – 0.1 1.2 1.9 2.4 2.3 3.8 1.65 V 2.3 V 3 V 4.5 V 1.65 V to 5.5 V 1.65 V 2.3 V 3 V 4.5 V 0 to 5.5 V 0 3.6 V 1.65 V to 5.5 V 3 V to 5.5 V 0.1 0.45 0.3 0.4 0.55 0.55 ±5 ±10 10 10 500 –40°C to 125°C TYP(1) MAX MIN VCC – 0.1 1.2 1.9 2.4 2.3 3.8 0.1 0.45 0.3 0.4 0.55 0.55 ±5 ±10 10 10 500 4 UNIT V V μA μA μA μA μA pF UNIT ns SN74LVC1G126 SCES224R –APRIL 1999–REVISED JANUARY 2015 7.5 Electrical Characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC –40°C to 85°C TYP(1) MIN MAX www.ti.com IOH = –100 μA IOH = –4 mA IOH = –8 mA IOH = –16 mA IOH = –24 mA IOH = –32 mA IOL = 100 μA IOL = 4 mA IOL = 8 mA IOL = 16 mA IOL = 24 mA IOL = 32 mA A or OE inputs VI = 5.5 V or GND VOH VOL II Ioff IOZ ICC ΔICC VI or VO = 5.5 V VO = 0 to 5.5 V VI = 5.5 V or GND One input at VCC – 0.6 V, Other inputs at VCC or GND VI = VCC or GND IO = 0 Ci (1) All typical values are at VCC = 3.3 V, TA = 25°C. 7.6 Switching Characteristics, CL = 15 pF over recommended operating free-air temperature range, CL = 15 pF (unless otherwise noted) (see Figure 3) 3.3 V 4 PARAMETER tpd FROM (INPUT) A TO (OUTPUT) Y VCC = 1.8 V ± 0.15 V MIN MAX 1.7 6.9 VCC = 2.5 V ± 0.2 V MIN 0.6 VCC = 3.3 V ± 0.3 V VCC = 5 V ± 0.5 V MAX 4.6 MIN 0.6 MAX 3.7 MIN 0.5 MAX 3.4 –40°C to 85°C 7.7 Switching Characteristics, –40°C to 85°C over recommended operating free-air temperature range, CL = 30 pF or 50 pF (unless otherwise noted) (see Figure 4) –40°C to 85°C PARAMETER tpd ten tdis FROM (INPUT) A OE OE TO (OUTPUT) Y Y Y VCC = 1.8 V ± 0.15 V MIN MAX 2.6 8 9.4 2.8 1.6 9.8 VCC = 2.5 V ± 0.2 V MIN 1.1 1.3 1 VCC = 3.3 V ± 0.3 V VCC = 5 V ± 0.5 V UNIT MAX 5.5 6.6 5.5 MIN 1 1.2 1 MAX 4.5 5.3 5.5 MIN 1 1 1 MAX 4 5 4.2 ns ns ns 6 Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: SN74LVC1G126
www.ti.com SN74LVC1G126 SCES224R –APRIL 1999–REVISED JANUARY 2015 7.8 Switching Characteristics, –40°C to 125°C over recommended operating free-air temperature range, CL = 30 pF or 50 pF (unless otherwise noted) (see Figure 4) –40°C to 125°C PARAMETER tpd ten tdis FROM (INPUT) A OE OE TO (OUTPUT) Y Y Y VCC = 1.8 V ± 0.15 V MIN MAX 9 2.6 9.6 2.8 1.6 10 VCC = 2.5 V ± 0.2 V MIN 1.1 1.3 1 VCC = 3.3 V ± 0.3 V VCC = 5 V ± 0.5 V UNIT MAX 5.7 6.8 5.7 MIN 1 1.2 1 MAX 4.7 5.5 5.7 MIN 1 1 1 MAX 4.2 5.2 4.4 ns ns ns 7.9 Operating Characteristics TA = 25°C PARAMETER Cpd Power dissipation capacitance Outputs enabled Outputs disabled 7.10 Typical Characteristics TEST CONDITIONS f = 10 MHz VCC = 1.8 V VCC = 2.5 V VCC = 3.3 V VCC = 5 V TYP 19 2 TYP 19 2 TYP 19 3 TYP 21 4 UNIT pF Figure 1. Propagation Delay (Low to High Transition) vs Load Capacitance Figure 2. Propagation Delay (High to Low Transition) vs Load Capacitance Copyright © 1999–2015, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: SN74LVC1G126 2468101214050100150200250300CL–LoadCapacitance–pFVCC=3V,TA=25°COneOutputSwitchingt–PropagationDelayTime–nspd246810050100150200250300CL–LoadCapacitance–pFt–PropagationDelayTime–nspdVCC=3V,TA=25°COneOutputSwitching
SN74LVC1G126 SCES224R –APRIL 1999–REVISED JANUARY 2015 8 Parameter Measurement Information www.ti.com Figure 3. Load Circuit and Voltage Waveforms 8 Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: SN74LVC1G126 VMthtsuFrom OutputUnder TestCL(see NoteA)LOAD CIRCUITS1VLOADOpenGNDRRLLData InputTiming InputVI0 VVI0 V0 VtInputwVOLTAGEWAVEFORMSSETUPAND HOLD TIMESVOLTAGEWAVEFORMSPROPAGATIONDELAYTIMESINVERTINGAND NONINVERTING OUTPUTSVOLTAGEWAVEFORMSPULSEDURATIONtPLHtPHLtPHLtPLHVOHVOHVOLVOLVI0 VInputOutputWaveform 1S1 at VLOAD(see Note B)OutputWaveform 2S1 at GND(see Note B)VOLVOHtPZLtPZHtPLZtPHZVLOAD/20 VVOL+V∆VOH−V∆≈0 VVIVOLTAGEWAVEFORMSENABLEAND DISABLE TIMESLOW-ANDHIGH-LEVELENABLINGOutputOutputtPLH/tPHLtPLZ/tPZLtPHZ/tPZHOpenVLOADGNDTESTS1NOTES:A.CLincludes probe and jig capacitance.B.Waveform1isforanoutputwithinternalconditionssuchthattheoutputislow,exceptwhendisabledbytheoutputcontrol.Waveform2is for an output with internal conditions such that the output is high, except when disabled by the output control.C.All input pulses are supplied by generators having the following characteristics: PRR≤10 MHz, ZO= 50Ω.D.The outputs are measured one at a time, with one transition per measurement.E.tPLZand tPHZare the same as tdis.F.tPZLand tPZHare the same as ten.G.tPLHand tPHLare the same as tpd.H.All parameters and waveforms are not applicable to all devices.OutputControlVVVVVVVVVVVVVMMMMMMMMMMMMIVMVM1.8 V±0.15 V2.5 V±0.2 V3.3 V±0.3 V5V±0.5 V1 MΩ1 MΩ1 MΩ1 MΩVCCRL2×VCC2×VCC6 V2×VCCVLOADCL15 pF15 pF15 pF15 pF0.15 V0.15 V0.3 V0.3 VVV∆CCVCC3 VVCCVVICC/2VCC/21.5 VVCC/2VMt/trf≤2ns≤2ns≤2.5 ns≤2.5 nsINPUTS
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