參數(shù)資料
型號(hào): IDT74FCT257ATQG
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 1/6頁
文件大?。?/td> 0K
描述: IC MUX QUAD 2INPUT 3ST 16-QSOP
標(biāo)準(zhǔn)包裝: 97
系列: 74FCT
類型: 多路復(fù)用器
電路: 1 x 4:1
獨(dú)立電路: 1
輸出電流高,低: 15mA,48mA
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-QSOP
包裝: 管件
其它名稱: 74FCT257ATQG
INDUSTRIALTEMPERATURERANGE
IDT74FCT257AT/CT/DT
FASTCMOSQUAD2-INPUTMULTIPLEXER
1
SEPTEMBER 2009
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
2009 Integrated Device Technology, Inc.
DSC-5500/6
FEATURES:
A, C, and D grades
Low input and output leakage
≤≤≤≤≤1A (max.)
CMOS power levels
True TTL input and output compatibility:
–VOH = 3.3V (typ.)
–VOL = 0.3V (typ.)
High Drive outputs (-15mA IOH, 48mA IOL)
Meets or exceeds JEDEC standard 18 specifications
Power off disable outputs permit "live insertion"
Available in SOIC and QSOP packages
FUNCTIONAL BLOCK DIAGRAM
IDT74FCT257AT/CT/DT
FAST CMOS
QUAD 2-INPUT
MULTIPLEXER
DESCRIPTION:
The FCT257T is a high-speed quad 2-input multiplexer built using an
advanced dual metal CMOS technology. Four bits of data from two sources
can be selected using the common select input. The four buffered outputs
present the selected data in the true (non-inverting) form.
The FCT257T has a common Output Enable (
OE) input. When OE is
high, all outputs are switched to a high-impedance state allowing the outputs
to interface directly with bus-oriented systems.
Three other multiplexers
OE
Z A
Z B ZD
S
I1B I1D
I0B I0D
I1A
I0A
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