3.3-V, 1:1 (SPST), 1-channel FET bus switch

SN74CBTLV1G125

ACTIVE

Product details

Configuration 1:1 SPST Number of channels (#) 1 Power supply voltage - single (V) 2.5, 3.3 Ron (Typ) (Ohms) 5 ON-state leakage current (Max) (µA) 1 Bandwidth (MHz) 200 Operating temperature range (C) -40 to 85 Features Powered-off protection Input/output continuous current (Max) (mA) 128 Rating Catalog
Configuration 1:1 SPST Number of channels (#) 1 Power supply voltage - single (V) 2.5, 3.3 Ron (Typ) (Ohms) 5 ON-state leakage current (Max) (µA) 1 Bandwidth (MHz) 200 Operating temperature range (C) -40 to 85 Features Powered-off protection Input/output continuous current (Max) (mA) 128 Rating Catalog
SOT-23 (DBV) 5 5 mm² 2.9 x 1.6 SOT-SC70 (DCK) 5 4 mm² 2 x 2.1
  • 5– Switch Connection Between Two Ports
  • Rail–to–Rail Switching on Data I/O Ports
  • Ioff Supports Partial–Power–Down Mode Operation

  • 5– Switch Connection Between Two Ports
  • Rail–to–Rail Switching on Data I/O Ports
  • Ioff Supports Partial–Power–Down Mode Operation

The SN74CBTLV1G125 features a single high–speed line switch. The switch is disabled when the output–enable (OE) input is high.

This device is fully specified for partial–power–down applications using Ioff. The Ioff feature ensures that damaging current will not backflow through the device when it is powered down. The device has isolation during power off.

To ensure the high–impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current–sinking capability of the driver.

The SN74CBTLV1G125 features a single high–speed line switch. The switch is disabled when the output–enable (OE) input is high.

This device is fully specified for partial–power–down applications using Ioff. The Ioff feature ensures that damaging current will not backflow through the device when it is powered down. The device has isolation during power off.

To ensure the high–impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current–sinking capability of the driver.

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Technical documentation

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Type Title Date
* Data sheet SN74CBTLV1G125 datasheet (Rev. H) 29 Mar 2006
Application note Selecting the Right Texas Instruments Signal Switch (Rev. C) 06 Aug 2021
Application note Multiplexers and Signal Switches Glossary (Rev. A) 09 Jun 2021
Application note Eliminate Power Sequencing with Powered-off Protection Signal Switches (Rev. C) 06 Jan 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
More literature Digital Bus Switch Selection Guide (Rev. A) 10 Nov 2004
More literature Design Summary for WCSP Little Logic (Rev. B) 04 Nov 2004
Application note Semiconductor Packing Material Electrostatic Discharge (ESD) Protection 08 Jul 2004
User guide Signal Switch Data Book (Rev. A) 14 Nov 2003
More literature Logic Cross-Reference (Rev. A) 07 Oct 2003
Application note Bus FET Switch Solutions for Live Insertion Applications 07 Feb 2003
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
User guide CBT (5-V) And CBTLV (3.3-V) Bus Switches Data Book (Rev. B) 01 Dec 1998

Design & development

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Evaluation board

DIP-ADAPTER-EVM — DIP adapter evaluation module

Speed up your op amp prototyping and testing with the DIP-Adapter-EVM, which provides a fast, easy and inexpensive way to interface with small, surface-mount ICs. You can connect any supported op amp using the included Samtec terminal strips or wire them directly to existing circuits.

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Simulation model

HSPICE Model for SN74CBTLV1G125

SCDJ015.ZIP (35 KB) - HSpice Model
Simulation model

SN74CBTLV1G125 IBIS Model

SCDM072.ZIP (24 KB) - IBIS Model
Package Pins Download
SC70 (DCK) 5 View options
SOT-23 (DBV) 5 View options

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