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SN74CBTD1G125

ACTIVE

5-V, 1:1 (SPST), 1-channel bus switch with 5-V to 3.3-V level shifting and improved ESD protection

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Data sheet

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TS5A4597 ACTIVE 5V, 1:1 (SPST), 1-channel, analog switch, active low, flow-through pinout Better parameters and wider supply range

SN74CBTD1G125

ACTIVE
Data sheet Order now

Product details

Protocols Analog Configuration 1:1 SPST Number of channels 1 Supply voltage (max) (V) 5.5 Ron (typ) (mΩ) 5000 Operating temperature range (°C) -40 to 85 Input/output continuous current (max) (mA) 128 COFF (typ) (pF) 3.5 OFF-state leakage current (max) (µA) 1 Ron (max) (mΩ) 50000 VIH (min) (V) 2 VIL (max) (V) 0.8 Rating Catalog
Protocols Analog Configuration 1:1 SPST Number of channels 1 Supply voltage (max) (V) 5.5 Ron (typ) (mΩ) 5000 Operating temperature range (°C) -40 to 85 Input/output continuous current (max) (mA) 128 COFF (typ) (pF) 3.5 OFF-state leakage current (max) (µA) 1 Ron (max) (mΩ) 50000 VIH (min) (V) 2 VIL (max) (V) 0.8 Rating Catalog
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8 SOT-SC70 (DCK) 5 4.2 mm² 2 x 2.1
  • 5- Switch Connection Between Two Ports
  • TTL-Compatible Control Input Levels
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)
  • 5- Switch Connection Between Two Ports
  • TTL-Compatible Control Input Levels
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)

The SN74CBTD1G125 features a single high-speed line switch. The switch is disabled when the output-enable (OE) input is high. A diode to VCC is integrated on the chip to allow for level shifting from 5-V signals at the device inputs to 3.3-V signals at the device outputs.

The SN74CBTD1G125 features a single high-speed line switch. The switch is disabled when the output-enable (OE) input is high. A diode to VCC is integrated on the chip to allow for level shifting from 5-V signals at the device inputs to 3.3-V signals at the device outputs.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet SN74CBTD1G125 datasheet (Rev. L) 29 Mar 2006
Selection guide Logic Guide (Rev. AC) PDF | HTML 13 Nov 2025
Application note Selecting the Correct Texas Instruments Signal Switch (Rev. E) PDF | HTML 02 Jun 2022
Application note Multiplexers and Signal Switches Glossary (Rev. B) PDF | HTML 01 Dec 2021
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
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
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
More literature CBT RAID Application Clip 12 Jun 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
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 Flexible Voltage-Level Translation With CBT Family Devices 20 Jul 1999
User guide CBT (5-V) And CBTLV (3.3-V) Bus Switches Data Book (Rev. B) 01 Dec 1998
Application note 3.3-V to 2.5-V Translation with Texas Instruments Crossbar Technology (Rev. A) 03 Apr 1998
Application note Migration From 3.3-V To 2.5-V Power Supplies For Logic Devices 01 Dec 1997
Application note 5-V To 3.3-V Translation With the SN74CBTD3384 (Rev. B) 01 Mar 1997
Application note Understanding Advanced Bus-Interface Products Design Guide 01 May 1996

Design & development

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Evaluation board

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SOT-23 (DBV) 5 Ultra Librarian
SOT-SC70 (DCK) 5 Ultra Librarian
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