FST3253QSCX_NL

更新时间： 2024-09-14 13:02:27

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		解复用器开关
页数	文件大小	规格书
5页	141K
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中文翻译

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数据手册

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FST3253QSCX_NL 数据手册

September 1997

Revised December 1999

FST3253

Dual 4:1 Multiplexer/Demultiplexer Bus Switch

General Description

Features

The Fairchild Switch FST3253 is a dual 4:1 high-speed

CMOS TTL-compatible multiplexer/demultiplexer bus

switch. The low on resistance of the switch allows inputs to

be connected to outputs without adding propagation delay

or generating additional ground bounce noise.

■ 4Ω 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.

When OE is LOW, S₀and S₁connect the A Port to the

selected B Port output. When OE is HIGH, the switch is

OPEN and a high-impedance state exists between the two

ports.

Ordering Code:

Order Number

FST3253M

Package Number

M16A

Package Description

16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow

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

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

FST3253QSC

FST3253MTC

MQA16

MTC16

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

Logic Diagram

Connection Diagram

Truth Table

S₁

S₀

OE₁

OE₂

Function

Disconnect 1A

Disconnect 2A

A = B₁

Pin Descriptions

Pin Name

Description

OE₁, OE₂

S₀, S₁

Bus Switch Enables

Select Inputs

Bus A

A = B₂

A = B₃

A = B₄

B₁, B₂, B₃, B₄

Bus B

DS500058

www.fairchildsemi.com

12 3 4 5

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