Texas Instruments SN74CBT3125 Quadruple FET Bus Switch Datasheet

About this manual

The SN74CBT3125 is a quadruple FET bus switch featuring independent line switches. Each switch connects two ports when the output-enable (OE) input is low and disconnects them when high. The device supports TTL-compatible input levels and operates over an industrial temperature range of -40°C to 85°C.

What's inside

• Description
• Absolute Maximum Ratings
• Recommended Operating Conditions
• Electrical Characteristics
• Switching Characteristics

Frequently asked questions

What is the function of the OE input?

The switch connects port A to port B when the output-enable (OE) input is low, and disconnects them when high.

Are all unused control inputs required to be tied?

Yes, all unused control inputs must be held at VCC or GND to ensure proper device operation.