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KK74AC158 Datasheet(PDF) 1 Page - KODENSHI KOREA CORP.

Part No. KK74AC158
Description  Quad 2-Input Data Selector/Multiplexer High-Speed Silicon-Gate CMOS
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Maker  KODENSHI [KODENSHI KOREA CORP.]
Homepage  http://www.kodenshi.co.kr
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KK74AC158 Datasheet(HTML) 1 Page - KODENSHI KOREA CORP.

   
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TECHNICAL DATA
Quad 2-Input Data Selector/Multiplexer
High-Speed Silicon-Gate CMOS
KK74AC158
ORDERING INFORMATION
KK74AC158N Plastic
KK74AC158D SOIC
TA = -40° to 85° C for all
packages
The
KK74AC158
is
identical
in
pinout
to
the
LS/ALS158,
HC/HCT158. The device inputs are compatible with standard CMOS
outputs; with pullup resistors, they are compatible with LS/ALS outputs.
This device routes 2 nibbles (A or B) to a single port (Y) as
determined by the Select input. The data is presented at the outputs in
invertered form. A high level on the Output Enable input sets all four Y
outputs to a high level.
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 µA; 0.1µA @ 25 °C
• High Noise Immunity Characteristic of CMOS Devices
• Outputs Source/Sink 24 mA
LOGIC DIAGRAM
PIN 16 =VCC
PIN 8 = GND
FUNCTION TABLE
Inputs
Outputs
Output
Enable
Select
Y0-Y3
H
X
H
L
L
A0-A3
L
H
B0-B3
X=don’t care
A0-A3,B0-B3=the levels of the respective
Data-Word Inputs
PIN ASSIGNMENT
1


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