FST34X2245

更新时间： 2024-09-15 22:13:27

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	364K
描述
32-Bit Bus Switch with 25з Series Resistors in Outputs

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数据手册

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FST34X2245 数据手册

December 2001

Revised December 2001

FST34X2245

32-Bit Bus Switch with 25Ω Series Resistors in Outputs

General Description

Features

■ 25Ω switch connection between two ports

■ Minimal propagation delay through the switch

■ Low l_CC

The Fairchild Switch FST34X2245 provides 32-bits of high

speed CMOS TTL-compatible bus switching in a standard

flow-through mode. The low On Resistance of the switch

allows inputs to be connected to outputs without adding

propagation delay or generating additional ground bounce

noise.

■ Zero bounce in flow-through mode

■ Control inputs compatible with TTL level

■ 32-bit version of FST32245

The device is organized as a 32-bit switch. 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-imped-

ance state exists between the two ports.

■ Packaged in 20.5mm 80-lead package

The FST34X2245 has equivalent 25Ω series resistors to

reduce signal-reflection noise, eliminating the need for

external terminating resistors.

Ordering Code:

Order Number

Package Number

Package Description

FST34X2245QSP

MQA80A

80-Lead, QVSOP, JEDEC MO-154, 0.150" Wide

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

Logic Diagram

DS500594

www.fairchildsemi.com

12 3 4 5

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