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SN74CBTLV3126-Q1
  • SN74CBTLV3126-Q1
  • SN74CBTLV3126-Q1
  • SN74CBTLV3126-Q1
  • SN74CBTLV3126-Q1

SN74CBTLV3126-Q1

ACTIVE

Automotive 3.3-V, 1:1 (SPST), 4-channel FET bus switch

Texas Instruments SN74CBTLV3126-Q1 Product Info

1 April 2026 0

Parameters

Protocols

Analog, I2C, I2S, JTAG, RGMII, SPI, TDM, UART

Configuration

1:1 SPST

Number of channels

4

Bandwidth (MHz)

200

Supply voltage (max) (V)

3.6

Supply voltage (min) (V)

2.3

Ron (typ) (mΩ)

5000

Input/output voltage (min) (V)

0

Input/output voltage (max) (V)

3.6

ESD HBM (typ) (kV)

2

Operating temperature range (°C)

-40 to 125

Input/output continuous current (max) (mA)

128

COFF (typ) (pF)

7

CON (typ) (pF)

2.5

OFF-state leakage current (max) (µA)

1

Ron (max) (mΩ)

40000

VIH (min) (V)

2

VIL (max) (V)

0.8

Rating

Automotive

Package

TSSOP (PW)-14-32 mm² 5 x 6.4

Features

  • Standard 126-type pinout
  • 5-Ω switch connection between two ports
  • Rail-to-rail switching on data I/O ports
  • Ioff supports partial-power-down mode operation
  • Latch-up performance exceeds 100 mA per JESD 78, Class II
  • Standard 126-type pinout
  • 5-Ω switch connection between two ports
  • Rail-to-rail switching on data I/O ports
  • Ioff supports partial-power-down mode operation
  • Latch-up performance exceeds 100 mA per JESD 78, Class II

Description

The SN74CBTLV3126-Q1 quadruple FET bus switch features independent line switches. Each switch is disabled when the associated output-enable (OE) input is low.

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 SN74CBTLV3126-Q1 device has isolation during power off.

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

The SN74CBTLV3126-Q1 quadruple FET bus switch features independent line switches. Each switch is disabled when the associated output-enable (OE) input is low.

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 SN74CBTLV3126-Q1 device has isolation during power off.

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

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