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IN74ACT258 Datasheet(PDF) 1 Page - Integral Corp.

Part No. IN74ACT258
Description  QUAD 2-INPUT DATA SELECTOR/MULTIPLEXER WITH 3-STATE OUTPUTS
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Maker  INTEGRAL [Integral Corp.]
Homepage  http://www.iksemi.com/
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IN74ACT258 Datasheet(HTML) 1 Page - Integral Corp.

   
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IN74ACT258
1
QUAD 2-INPUT DATA SELECTOR/MULTIPLEXER
WITH
3-STATE OUTPUTS
High-Speed Silicon-Gate CMOS
The IN74ACT258 is identical in pinout to the LS/ALS258,
HC/HCT258. The IN74ACT258 may be used as a level converter
for interfacing TTL or NMOS outputs to High Speed CMOS
inputs.
This device selects a (4-bit) nibble from either the A or B
inputs as determined by the Select input. The nibble is presented
at the outputs in inverted from when the Output Enable pin is at a
low level. A high level on the Output Enable pin switches the
outputs into the high-impedance state.
• TTL/NMOS Compatible Input Levels
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 4.5 to 5.5 V
• Low Input Current: 1.0 µA; 0.1 µA @ 25°C
• Outputs Source/Sink 24 mA
ORDERING INFORMATION
IN74ACT258N Plastic
IN74ACT258D SOIC
TA = -40° to 85° C for all
packages
FUNCTION TABLE
Inputs
Outputs
Output
Enable
Select
Y0-Y3
H
X
Z
L
L
A0-A3
L
H
B0-B3
X=don’t
care
Z
=
high-impedance
state
A0-A3,B0-B3=the
levels
of
the
respective Nibble Inputs
LOGIC DIAGRAM
PIN 16 =VCC
PIN 8 = GND
PIN ASSIGNMENT


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