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IDT54FCT257DTDQB Datasheet

  • IDT54FCT257DTDQB

  • FAST CMOS QUAD 2-INPUT MULTIPLEXER

  • 7頁

  • IDT

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IDT54/74FCT257T/AT/CT/DT
FAST CMOS QUAD 2-INPUT MULTIPLEXER
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
FAST CMOS
QUAD 2-INPUT
MULTIPLEXER
FEATURES:
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
IDT54/74FCT257T/AT/CT/DT
DESCRIPTION:
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Std., A, C, and D grades
Low input and output leakage
鈮?/div>
1碌A (max.)
CMOS power levels
True TTL input and output compatibility:
鈥?V
OH
= 3.3V (typ.)
鈥?V
OL
= 0.3V (typ.)
High Drive outputs (-15mA I
OH
, 48mA I
OL
)
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:
鈥?Industrial: SOIC, QSOP
鈥?Military: CERDIP, LCC
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
S
Three other multiplexers
I
1B
I
0B
I
1D
I
0D
Z
B
Z
D
I
1A
I
0A
Z
A
OE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
1
JUNE 2001
DSC-5500/2
漏 2002 Integrated Device Technology, Inc.

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