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Noninverting buffers & drivers

SN74LVC125A-Q1

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Automotive four-channel 1.65V-to-3.6V buffers with 3-state outputs

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Data sheet

SN74LVC125A-Q1

ACTIVE
Data sheet Order now

Product details

Technology family LVC Supply voltage (min) (V) 1.65 Supply voltage (max) (V) 3.6 Number of channels 4 IOL (max) (mA) 24 Supply current (max) (µA) 20 IOH (max) (mA) -24 Input type Standard CMOS Output type 3-State Features Balanced outputs, Over-voltage tolerant inputs, Very high speed (tpd 5-10ns) Rating Automotive Operating temperature range (°C) -40 to 125
Technology family LVC Supply voltage (min) (V) 1.65 Supply voltage (max) (V) 3.6 Number of channels 4 IOL (max) (mA) 24 Supply current (max) (µA) 20 IOH (max) (mA) -24 Input type Standard CMOS Output type 3-State Features Balanced outputs, Over-voltage tolerant inputs, Very high speed (tpd 5-10ns) Rating Automotive Operating temperature range (°C) -40 to 125
SOIC (D) 14 51.9 mm² 8.65 x 6 TSSOP (PW) 14 32 mm² 5 x 6.4 WQFN (BQA) 14 7.5 mm² 3 x 2.5
  • Qualified for automotive applications
  • Operates from 1.65V to 3.6V
  • Specified from –40°C to 125°C
  • Inputs accept voltages to 5.5V
  • Max tpd of 4.8ns at 3.3V
  • Typical VOLP (output ground bounce) <0.8V at VCC = 3.3V, TA = 25°C
  • Typical VOHV (output VOH undershoot) >2V at VCC = 3.3V, TA = 25°C
  • Latch-up performance exceeds 250mA per JESD 17
  • Qualified for automotive applications
  • Operates from 1.65V to 3.6V
  • Specified from –40°C to 125°C
  • Inputs accept voltages to 5.5V
  • Max tpd of 4.8ns at 3.3V
  • Typical VOLP (output ground bounce) <0.8V at VCC = 3.3V, TA = 25°C
  • Typical VOHV (output VOH undershoot) >2V at VCC = 3.3V, TA = 25°C
  • Latch-up performance exceeds 250mA per JESD 17

This quadruple bus buffer gate is designed for 1.65V to 3.6V VCC operation.

This quadruple bus buffer gate is designed for 1.65V to 3.6V VCC operation.
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Technical documentation

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Type Title Date
* Data sheet SN74LVC125A-Q1 Automotive Quadruple Bus Buffer Gate With 3-State Outputs datasheet (Rev. D) PDF | HTML 07 May 2024
Application note Implications of Slow or Floating CMOS Inputs (Rev. E) 26 Jul 2021
Selection guide Little Logic Guide 2018 (Rev. G) 06 Jul 2018
Selection guide Logic Guide (Rev. AB) 12 Jun 2017
Application note How to Select Little Logic (Rev. A) 26 Jul 2016
Application note Understanding and Interpreting Standard-Logic Data Sheets (Rev. C) 02 Dec 2015
User guide LOGIC Pocket Data Book (Rev. B) 16 Jan 2007
Product overview Design Summary for WCSP Little Logic (Rev. B) 04 Nov 2004
Application note Semiconductor Packing Material Electrostatic Discharge (ESD) Protection 08 Jul 2004
Application note Selecting the Right Level Translation Solution (Rev. A) 22 Jun 2004
User guide Signal Switch Data Book (Rev. A) 14 Nov 2003
Application note Use of the CMOS Unbuffered Inverter in Oscillator Circuits 06 Nov 2003
User guide LVC and LV Low-Voltage CMOS Logic Data Book (Rev. B) 18 Dec 2002
Application note Texas Instruments Little Logic Application Report 01 Nov 2002
Application note TI IBIS File Creation, Validation, and Distribution Processes 29 Aug 2002
More literature Standard Linear & Logic for PCs, Servers & Motherboards 13 Jun 2002
Application note 16-Bit Widebus Logic Families in 56-Ball, 0.65-mm Pitch Very Thin Fine-Pitch BGA (Rev. B) 22 May 2002
Application note Power-Up 3-State (PU3S) Circuits in TI Standard Logic Devices 10 May 2002
More literature STANDARD LINEAR AND LOGIC FOR DVD/VCD PLAYERS 27 Mar 2002
Application note Migration From 3.3-V To 2.5-V Power Supplies For Logic Devices 01 Dec 1997
Application note Bus-Interface Devices With Output-Damping Resistors Or Reduced-Drive Outputs (Rev. A) 01 Aug 1997
Application note CMOS Power Consumption and CPD Calculation (Rev. B) 01 Jun 1997
Application note LVC Characterization Information 01 Dec 1996
Application note Input and Output Characteristics of Digital Integrated Circuits 01 Oct 1996
Application note Live Insertion 01 Oct 1996
Design guide Low-Voltage Logic (LVC) Designer's Guide 01 Sep 1996
Application note Understanding Advanced Bus-Interface Products Design Guide 01 May 1996

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

14-24-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin D, DB, DGV, DW, DYY, NS and PW packages

The 14-24-LOGIC-EVM evaluation module (EVM) is designed to support any logic device that is in a 14-pin to 24-pin D, DW, DB, NS, PW, DYY or DGV package,

User guide: PDF | HTML
Not available on TI.com
Evaluation board

14-24-NL-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin non-leaded packages

14-24-NL-LOGIC-EVM is a flexible evaluation module (EVM) designed to support any logic or translation device that has a 14-pin to 24-pin BQA, BQB, RGY, RSV, RJW or RHL package.

User guide: PDF | HTML
Not available on TI.com
Simulation model

SN74LVC125A Behavioral SPICE Model

SCAM111.ZIP (7 KB) - PSpice Model
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Reference designs

TIDA-00733 — Automotive 8-Channel Class-D Amplifier with 2.1 MHz Switching Power Supply Reference Design

TIDA-00733 is a reference design for an eight-channel, Class-D amplifier that is capable of driving 2-Ω loads and an off-battery step-down power supply with 5-V and  3.3-V outputs. The amplifier design provides audio inputs for each audio channel. A  high-performance audio (...)
Design guide: PDF
Schematic: PDF
Reference designs

TIDA-00794 — Thermal Protection Reference Design of IGBT Modules for HEV/EV Traction Inverters

The TIDA-00794 reference design is a temp sensing solution for IGBT thermal protection in HEV/EV traction inverter system. It monitors the IGBT temperature via the NTC thermistor integrated inside the IGBT module. It provides thermal shut down to the IGBT gate drivers once the NTC thermistor (...)
Design guide: PDF
Schematic: PDF
Package Pins CAD symbols, footprints & 3D models
SOIC (D) 14 Ultra Librarian
TSSOP (PW) 14 Ultra Librarian
WQFN (BQA) 14 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

Ordering & quality

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