Datasheet > FST3345_05

FST3345_05

更新时间： 2024-11-05 04:18:59

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	134K
描述
8-Bit Bus Switch

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数据手册

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FST3345_05 数据手册

June 1997

Revised March 2005

FST3345

8-Bit Bus Switch

General Description

Features

The Fairchild Switch FST3345 provides 8-bits of high-

speed CMOS TTL-compatible bus switching. The low on

resistance of the switch allows inputs to be connected to

outputs without adding propagation delay or generating

additional ground bounce noise.

■ 4 switch connection between two ports.

■ Minimal propagation delay through the switch.

■ Low l_CC

■ Zero bounce in flow-through mode.

■ Control inputs compatible with TTL level.

The device is organized as an 8-bit switch bank with dual

output enable inputs (OE and OE). When OE is LOW or

OE is HIGH, the switch is ON and Port A is connected to

Port B. When OE is HIGH and OE is LOW, the switch is

OPEN and a high-impedance state exists between the two

ports.

Ordering Code:

Package

Order Number

Package Description

Number

FST3345WM

FST3345QSC

FST3345MTC

M20B

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide

MQA20 20-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150" Wide

MTC20

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

FST3345MTCX_NL

(Note 1)

Pb-Free 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm

Wide

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

Note 1: “_NL” indicates Pb-Free package (per JEDEC J-STD-020B). Device available in Tape and Reel only.

Logic Diagram

Connection Diagram

Pin Descriptions

Truth Table

Pin Name

Description

Inputs

Function

OE, OE

Bus Switch Enables

Bus A

Connect

Bus B

Disconnect

DS500019

www.fairchildsemi.com

12 3 4 5

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