Fairchild NC7WB3125 2-Bit Low Power Bus Switch Datasheet

The NC7WB3125 is a 2-bit ultra high-speed CMOS FET bus switch with TTL-compatible active LOW control inputs. The low On Resistance of the switch allows inputs to be connected to outputs with minimal propagation delay and without generating additional ground bounce noise. The device is organized as a 2-bit switch with independent bus enable (OE) controls. When OE is LOW, the switch is ON and Port A is connected to Port B. When OE is HIGH, the switch is OPEN and a high-impedance state exists between the two ports. Control inputs tolerate voltages up to 5.5V independent of VCC.


Fairchild NC7WB3125 2-Bit Low Power Bus Switch Datasheet - cover page
Brand
Fairchild
Document type
Datasheet
Language
English
Pages
10
File format
PDF
File size
191 KB
Published
01 August, 2012
Updated
28 September, 2023
MD5 checksum
3A214130CDBFFAC86C5EEA9194372917

About this manual

The document describes the NC7WB3125 as a 2-bit ultra high-speed CMOS FET bus switch featuring TTL-compatible active LOW control inputs. It is designed to connect inputs to outputs with minimal propagation delay and without generating additional ground bounce noise, utilizing independent bus enable (OE) controls.

What's inside

  • General Description
  • Features
  • Ordering Code
  • Pin Descriptions
  • Function Table
  • Absolute Maximum Ratings
  • DC Electrical Characteristics
  • AC Electrical Characteristics
  • Package Dimensions

Specifications

Supply Voltage (Vcc)-0.5V to +7.0V
Operating Temperature Range-40°C to +85°C
Switch On Resistance3.0 Ohms Max
Propagation Delay Bus-to-Bus0.25 ns Typ
Package Type8-Lead US8 or MicroPak

Frequently asked questions

What is the function of the OE input?

When OE is LOW, the switch is ON and Port A is connected to Port B. When OE is HIGH, the switch is OPEN.

Are the control inputs TTL compatible?

Yes, the device features TTL-compatible active LOW control inputs.

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