Datasheet > 74FST3345/D

74FST3345/D

更新时间： 2024-11-05 23:24:11

品牌	Logo	应用领域
其他 - ETC		开关
页数	文件大小	规格书
8页	89K
描述
8-Bit Bus Switch

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74FST3345/D 数据手册

74FST3345

8-Bit Bus Switch

The ON Semiconductor 74FST3345 is an 8–bit, high performance

switch. The device is CMOS TTL compatible when operating between

4 and 5.5 Volts. The device exhibits extremely low R

and adds

nearly zero propagation delay. The device adds no noise or ground

bounce to the system.

The device consists of an 8–bit switch with two Output/Enable pins

(OE and OE).

http://onsemi.com

MARKING

DIAGRAMS

• R t 4 W Typical

• Less Than 0.25 ns–Max Delay Through Switch

• Nearly Zero Standby Current

• No Circuit Bounce

• Control Inputs are TTL/CMOS Compatible

• Pin–For–Pin Compatible with QS3345, FST3345, CBT3345

• All Popular Packages: QSOP–20, TSSOP–20, SOIC–20

FST3345

AWLYYWW

SO–20

DW SUFFIX

CASE 751D

FST

3345

ALYW

TSSOP–20

DT SUFFIX

CASE 948E

GND

FST3345

AWLYWW

QSOP–20

QS SUFFIX

CASE 492A

Figure 1. 20–Lead Pinout

= Assembly Location

= Year

L, WL = Wafer Lot

W, WW = Work Week

PIN NAMES

Description

OE , OE

Bus Switch Enables

1A, 2A

1B, 2B

Bus A

Bus B

Figure 2. Logic Diagram

ORDERING INFORMATION

TRUTH TABLE

Inputs

Device

Package

SO–20

Shipping

38 Units/Rail

1000 Units/Reel

74FST3345DW

74FST3345DWR2

Function

SO–20

74FST3345DT

TSSOP–20

75 Units/Rail

Connect

74FST3345DTR2 TSSOP–20 2500 Units/Reel

74FST3345QS

QSOP–20

55 Units/Rail

Disconnect

74FST3345QSR

2500 Units/Reel

Semiconductor Components Industries, LLC, 2001

Publication Order Number:

August, 2001 – Rev. 0

74FST3345/D

12 3 4 5 6 7 8

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