NC7WB3125(2003) Просмотр технического описания (PDF) - Fairchild Semiconductor

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NC7WB3125
(Rev.:2003)

TinyLogic® UHS 2-Bit Low Power Bus Switch

Fairchild Semiconductor 

May 2000

Revised April 2003

NC7WB3125

TinyLogic UHS 2-Bit Low Power Bus Switch

General Description

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.

Features

s Space saving US8 surface mount package

s MicroPak leadless package

s Typical 3Ω switch resistance at 5.0V VCC

s Minimal propagation delay through the switch

s Power down high impedance input/output

s Zero bounce in flow through mode

s TTL compatible active LOW control inputs

s Control inputs are overvoltage tolerant

s Bus switch replacement for Logic x125 part

Ordering Code:

Product

Order

Package Code

Package Description

Supplied As

Number

Number Top Mark

NC7WB3125K8X MAB08A WB25 8-Lead US8, JEDEC MO-187, Variation CA 3.1mm Wide 3k Units on Tape and Reel

NC7WB3125L8X MAC08A T4 8-Lead MicroPak, 1.6 mm Wide

(Preliminary)

5k Units on Tape and Reel

TinyLogic is a registered trademark of Fairchild Semiconductor Corporation.

MircoPak is a trademark of Fairchild Semiconductor Corporation.

© 2003 Fairchild Semiconductor Corporation DS500376

www.fairchildsemi.com

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