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National Semiconductor - Quad 2-Input Multiplexer

Numéro de référence 54ACT258
Description Quad 2-Input Multiplexer
Fabricant National Semiconductor 
Logo National Semiconductor 





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54ACT258 fiche technique
www.DataSheet4U.com
August 1998
54AC258 54ACT258
Quad 2-Input Multiplexer with TRI-STATE® Outputs
General Description
The ’AC/’ACT258 is a quad 2-input multiplexer with
TRI-STATE outputs. Four bits of data from two sources can
be selected using a common data select input. The four out-
puts present the selected data in the complement (inverted)
form. The outputs may be switched to a high impedance
state with a HIGH on the common Output Enable (OE) input,
allowing the outputs to interface directly with bus-oriented
systems.
n Multiplexer expansion by tying outputs together
n Inverting TRI-STATE outputs
n Outputs source/sink 24 mA
n ’ACT258 has TTL-compatible inputs
n Standard Military Drawing (SMD)
— ’ACT258: 5962-88704
— ’AC258: 5962-91604
Features
n ICC and IOZ reduced by 50%
Logic Symbols
IEEE/IEC
DS100287-1
Pin Names
S
OE
I0a– I0d
I1a– I1d
Za– Zd
Description
Common Data Select Input
TRI-STATE Output Enable Input
Data Inputs from Source 0
Data Inputs from Source 1
TRI-STATE Inverting Data Outputs
DS100287-2
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
FACT® is a registered trademark of Fairchild Semiconductor Corporation.
© 1998 National Semiconductor Corporation DS100287
www.national.com

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