74FST3400

更新时间： 2024-09-15 22:49:51

品牌	Logo	应用领域
安森美 - ONSEMI		开关
页数	文件大小	规格书
8页	99K
描述
4-Bit, 4-Port Bus Exchange Switch

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数据手册

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74FST3400 数据手册

74FST3400

4−Bit, 4−Port Bus Exchange

Switch

The ON Semiconductor 74FST3400 is a 4−bit, 4−port bus exchange

switch. The device is CMOS TTL compatible when operating between

4.0 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.

http://onsemi.com

MARKING

DIAGRAMS

Features

• R t 4 W Typical

• Less Than 0.25 ns−Max Delay Through Switch

• Nearly Zero Standby Current

FST3400

AWLYWW

• No Circuit Bounce

SOIC−24

DW SUFFIX

CASE 751E

• Control Inputs are TTL/CMOS Compatible

• Pin−For−Pin Compatible With QS3400, FST3400, CBT3400

• All Popular Packages: SOIC−24, TSSOP−24, QSOP−24

• All Devices in Package TSSOP are Inherently Pb−Free*

FST

3400

ALYW

TSSOP−24

DT SUFFIX

CASE 948H

FST3400

AWLYYWW

QSOP−24

QS SUFFIX

CASE 492B

GND

Figure 1. 24−Lead Pinout

= Assembly Location

L, WL = Wafer Lot

Y, YY = Year

TRUTH TABLE

W, WW = Work Week

Function

Disconnect

Connect

A0−3 B0−3

Hi−Z Hi−Z

PIN NAMES

BXi = L

BXi = H

C0−3 D0−3

D0−3 C0−3

Description

Bus Enable Input (Active LOW)

Bus A, Bus B, Bus C, Bus D

Bus Exchange (Bit 0)

Bus Exchange (Bit 1)

Bus Exchange (Bit 2)

Bus Exchange (Bit 3)

No Connect

Exchange

NOTE: H = HIGH Voltage Level, L = LOW Voltage Level, X = Don’t Care,

NOTE: Hi−Z = High Impedance, i = 0, 1, 2 or 3

Ax, Bx, Cx, Dx

OE , OE

Ground

OE , OE

Power

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 2 of this data sheet.

*For additional information on our Pb−Free strategy and soldering details, please

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

Semiconductor Components Industries, LLC, 2005

Publication Order Number:

January, 2005 − Rev. 5

74FST3400/D

12 3 4 5 6 7 8

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