參數(shù)資料
型號: IDT74FCT257ATDC
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 編、解碼器及復(fù)用、解復(fù)用
英文描述: FCT SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
封裝: 0.150 INCH, SOIC-16
文件頁數(shù): 1/7頁
文件大?。?/td> 139K
代理商: IDT74FCT257ATDC
1
IDT54/74FCT257T/AT/CT/DT
FAST CMOS QUAD 2-INPUT MULTIPLEXER
MILITARYANDINDUSTRIALTEMPERATURERANGES
AUGUST 2000
1999
Integrated Device Technology, Inc.
DSC-5500/-
c
IDT54/74FCT257T/AT/CT/DT
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
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.
FUNCTIONAL BLOCK DIAGRAM
Three other multiplexers
OE
Z A
Z B
Z D
S
I1B
I1D
I0B
I0D
I1A
I0A
FEATURES:
Low input and output leakage ≤1A (max.)
CMOS power levels
True TTL input and output compatibility
VOH = 3.3V (typ.)
VOL = 0.3V (typ.)
Meets or exceeds JEDEC standard 18 specifications
Std., A, C and D speed grades
High drive outputs (-15mA IOH, 48mA IOL)
Power off disable outputs permit “l(fā)ive insertion”
Available in the following packages:
Industrial: SOIC, QSOP
Military: CERDIP, LCC, CERPACK
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