FSTU3384QSC

更新时间： 2024-09-24 22:16:35

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		开关
页数	文件大小	规格书
5页	102K
描述
10-Bit Bus Switch with -2V Undershoot Hardened Circuit (UHC⑩) Protection

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数据手册

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FSTU3384QSC 数据手册

May 1999

Revised December 1999

FSTU3384

10-Bit Bus Switch with

−2V Undershoot Hardened Circuit (UHC ) Protection

General Description

Features

The Fairchild Switch FSTU3384 provides 10 bits of high-

speed CMOS TTL-compatible bus switches. The low on

resistance of the switch allows inputs to be connected to

outputs without adding propagation delay generating addi-

tional ground bounce noise. Both the A Ports and the B

Ports are “undershoot hardened” with UHC protection to

support an extended input range to 2.0V below ground.

Fairchild’s integrated Undershoot Hardened Circuit, UHC

senses undershoot at the I/Os, and responds by preventing

voltage differentials from developing and turning on the

switch. The device is organized as two 5-bit switches with

separate bus enable (OE) signals. 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.

■ 4Ω switch connection between two ports

■ Undershoot Hardened to -2.0V.

■ Minimal propagation delay through the switch

■ Low l_CC

■ Zero ground bounce in flow-through mode

■ Control inputs compatible with TTL level

■ See Applications Note AN-5008 for details.

Ordering Code:

Order Number

FSTU3384WM

FSTU3384QSC

FSTU3384MTC

Package Number

M24B

Package Description

24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MO-153 4.4mm Wide

24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150” Wide

24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

MQA24

MTC24

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Logic Diagram

Connection Diagram

Truth Table

Pin Descriptions

B₀–B₄

A₀–A₄

HIGH-Z State A₅–A₉

B₅–B₉

A₅–A₉

HIGH-Z State

OEA OEB

Function

Connect

Pin Names

Description

Bus Switch Enable

Bus A

Bus B

OEA, OEB

A₀–A₉

B₀–B₉

HIGH-Z State HIGH-Z State Disconnect

UHC is a trademark of Fairchild Semiconductor Corporation.

DS500195

www.fairchildsemi.com

12 3 4 5

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