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Voltage translators & level shifters
Fixed-direction voltage translators

SN74LV1T125

ACTIVE

Single Power Supply, Single BUFFER GATE w/ 3-State Output (active low enable)

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Data sheet

SN74LV1T125

ACTIVE
Data sheet Order now

Product details

Technology family LV1T Applications GPIO, I2S, UART Bits (#) 1 Configuration 1 Ch A to B 0 Ch B to A High input voltage (min) (V) 1 High input voltage (max) (V) 5.5 Vout (min) (V) 0 Vout (max) (V) 5.5 Data rate (max) (Mbps) 100 IOH (max) (mA) -8 IOL (max) (mA) -8 Supply current (max) (µA) 5.5 Features 4.2, 4.64 Input type TTL-Compatible CMOS Output type 3-State, Balanced CMOS Rating Catalog Operating temperature range (°C) -40 to 125
Technology family LV1T Applications GPIO, I2S, UART Bits (#) 1 Configuration 1 Ch A to B 0 Ch B to A High input voltage (min) (V) 1 High input voltage (max) (V) 5.5 Vout (min) (V) 0 Vout (max) (V) 5.5 Data rate (max) (Mbps) 100 IOH (max) (mA) -8 IOL (max) (mA) -8 Supply current (max) (µA) 5.5 Features 4.2, 4.64 Input type TTL-Compatible CMOS Output type 3-State, Balanced CMOS Rating Catalog Operating temperature range (°C) -40 to 125
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8 SOT-SC70 (DCK) 5 4.2 mm² 2 x 2.1
  • Single-supply voltage translator at 5V, 3.3V, 2.5V, and 1.8V VCC
  • Operating range of 1.8V to 5.5V
  • Up translation:
    • 1.2V(1) to 1.8V at 1.8V VCC
    • 1.5V(1) to 2.5V at 2.5V VCC
    • 1.8V(1) to 3.3V at 3.3V VCC
    • 3.3V to 5.0V at 5.0V VCC
  • Down translation:
    • 3.3V to 1.8V at 1.8V VCC
    • 3.3V to 2.5V at 2.5V VCC
    • 5.0V to 3.3V at 3.3V VCC
  • Logic output is referenced to VCC
  • Output drive:
    • 8.0mA output drive at 5V
    • 7.0mA output drive at 3.3V
    • 3.0mA output drive at 1.8V
  • Characterized up to 50MHz at 3.3V VCC
  • 5.0V tolerance on input pins
  • –40°C to 125°C operating temperature range
  • Latch-up performance exceeds 250mA per JESD 17
  • Supports standard logic pinouts
  • CMOS output B compatible with AUP1G and LVC1G families (1)

(1)Refer to the VIH/VIL and output drive for lower VCC condition.
  • Single-supply voltage translator at 5V, 3.3V, 2.5V, and 1.8V VCC
  • Operating range of 1.8V to 5.5V
  • Up translation:
    • 1.2V(1) to 1.8V at 1.8V VCC
    • 1.5V(1) to 2.5V at 2.5V VCC
    • 1.8V(1) to 3.3V at 3.3V VCC
    • 3.3V to 5.0V at 5.0V VCC
  • Down translation:
    • 3.3V to 1.8V at 1.8V VCC
    • 3.3V to 2.5V at 2.5V VCC
    • 5.0V to 3.3V at 3.3V VCC
  • Logic output is referenced to VCC
  • Output drive:
    • 8.0mA output drive at 5V
    • 7.0mA output drive at 3.3V
    • 3.0mA output drive at 1.8V
  • Characterized up to 50MHz at 3.3V VCC
  • 5.0V tolerance on input pins
  • –40°C to 125°C operating temperature range
  • Latch-up performance exceeds 250mA per JESD 17
  • Supports standard logic pinouts
  • CMOS output B compatible with AUP1G and LVC1G families (1)

(1)Refer to the VIH/VIL and output drive for lower VCC condition.

The SN74LV1T125 is a single buffer gate with reduced input thresholds to support voltage translation applications.

The SN74LV1T125 is a single buffer gate with reduced input thresholds to support voltage translation applications.
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Technical documentation

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Type Title Date
* Data sheet SN74LV1T125 Single Power Supply Single Buffer Gate with 3-State Output CMOS Logic Level Shifter datasheet (Rev. D) PDF | HTML 20 Mar 2024
Application note Schematic Checklist - A Guide to Designing With Fixed or Direction Control Translators PDF | HTML 02 Oct 2024
Application note Schematic Checklist - A Guide to Designing with Auto-Bidirectional Translators PDF | HTML 12 Jul 2024
Application note Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A) PDF | HTML 03 Jul 2024
Application brief Enabling Modular PLC System Designs with Single-Supply Level Translation PDF | HTML 16 Apr 2024
Selection guide Voltage Translation Buying Guide (Rev. A) 15 Apr 2021
Application note Voltage Translation Between 3.3-V, 2.5-V, 1.8-V, and 1.5-V Logic Standards (Rev. B) 30 Apr 2015
Application note Selecting the Right Level Translation Solution (Rev. A) 22 Jun 2004

Design & development

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

Evaluation board

5-8-LOGIC-EVM — Generic logic evaluation module for 5-pin to 8-pin DCK, DCT, DCU, DRL and DBV packages

Flexible EVM designed to support any device that has a DCK, DCT, DCU, DRL, or DBV package in a 5 to 8 pin count.
User guide: PDF
Not available on TI.com
Simulation model

SN74LV1T125 Behavioral SPICE Model

SCLM183.ZIP (7 KB) - PSpice Model
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Simulation model

SN74LV1T125 IBIS Model

SCLM109.ZIP (49 KB) - IBIS Model
Download
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Test report: PDF
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Design guide: PDF
Schematic: PDF
Package Pins CAD symbols, footprints & 3D models
SOT-23 (DBV) 5 Ultra Librarian
SOT-SC70 (DCK) 5 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

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