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IDT74FCT257ATLQB

更新时间： 2024-09-16 22:19:31

品牌	Logo	应用领域
艾迪悌 - IDT		复用器输入元件
页数	文件大小	规格书
7页	75K
描述
FAST CMOS QUAD 2-INPUT MULTIPLEXER

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数据手册

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IDT74FCT257ATLQB 数据手册

IDT54/74FCT257T/AT/CT/DT

MILITARYANDINDUSTRIALTEMPERATURERANGES

FASTCMOSQUAD2-INPUTMULTIPLEXER

FAST CMOS

IDT54/74FCT257T/AT/CT/DT

QUAD 2-INPUT

MULTIPLEXER

DESCRIPTION:

FEATURES:

The FCT257T is a high-speed quad 2-input multiplexer built using an

advanceddualmetalCMOStechnology. Fourbitsofdatafromtwosources

canbeselectedusingthecommonselectinput. Thefourbufferedoutputs

present the selected data in the true (non-inverting) form.

• Std., A, C, and D grades

• Low input and output leakage ≤1µA (max.)

• CMOS power levels

• True TTL input and output compatibility:

– VOH = 3.3V (typ.)

– VOL = 0.3V (typ.)

The FCT257T has a common Output Enable (OE) input. When OE is

high,alloutputsareswitchedtoahigh-impedancestateallowingtheoutputs

tointerfacedirectlywithbus-orientedsystems.

• High Drive outputs (-15mA IOH, 48mA IOL)

• Meets or exceeds JEDEC standard 18 specifications

• Military product compliant to MIL-STD-883, Class B and DESC

listed (dual marked)

• Power off disable outputs permit "live insertion"

• Available in the following packages:

– Industrial: SOIC, QSOP

– Military: CERDIP, LCC

FUNCTIONALBLOCKDIAGRAM

Three other multiplexers

I_1B

I_0B

I1D

I0D

Z _BZ D

Z _A

TheIDTlogoisaregisteredtrademarkofIntegratedDeviceTechnology,Inc.

MILITARY AND INDUSTRIAL TEMPERATURE RANGES

JUNE 2001

DSC-5500/2

12 3 4 5 6 7

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