MC74LCX139
Dual Low鈭扸oltage CMOS
2鈭抰o鈭? Decoder/Demultiplexer
With 5V鈭扵olerant Inputs
The MC74LCX139 is a high performance, 2鈭抰o鈭? decoder/
demultiplexer operating from a 2.3 to 3.6 V supply. High impedance
TTL compatible inputs significantly reduce current loading to input
drivers while TTL compatible outputs offer improved switching noise
performance. A V
I
specification of 5.5 V allows MC74LCX139 inputs
to be safely driven from 5 V devices. The MC74LCX139 is suitable
for memory address decoding and other TTL level bus oriented
applications.
The MC74LCX139 high鈭抯peed 2鈭抰o鈭? decoder/demultiplexer
accepts two binary weighted inputs (A0, A1) and, when enabled,
provides four mutually exclusive active鈭扡OW outputs. The LCX139
features an active low Enable input. All outputs will be HIGH unless
En is LOW. The LCX139 can be used as an 8鈭抩utput demultiplexer by
using one of the active鈭扡OW Enable inputs as the data input and the
other Enable input as a strobe. The Enable inputs which are not used
must be permanently tied to ground.
Current drive capability is 24 mA at the outputs.
Features
http://onsemi.com
MARKING
DIAGRAMS
16
SOIC鈭?6
D SUFFIX
CASE 751B
1
16
LCX139
AWLYWW
16
1
16
1
TSSOP鈭?6
DT SUFFIX
CASE 948F
LCX
139
ALYW
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
1
Designed for 2.3 to 3.6 V V
CC
Operation
5 V Tolerant Inputs 鈭?Interface Capability With 5 V TTL Logic
LVTTL Compatible
LVCMOS Compatible
24 mA Balanced Output Sink and Source Capability
16
1
SOEIAJ鈭?6
M SUFFIX
CASE 966
16
74LCX139
ALYW
Near Zero Static Supply Current (10
mA)
Substantially Reduces
System Power Requirements
鈥?/div>
Latchup Performance Exceeds 500 mA
1
A
L, WL
Y
W, WW
=
=
=
=
Assembly Location
Wafer Lot
Year
Work Week
鈥?/div>
ESD Performance:
Human Body Model >2000 V
Machine Model >200 V
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Pb鈭扚ree Packages are Available*
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 3 of this data sheet.
*For additional information on our Pb鈭扚ree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
漏
Semiconductor Components Industries, LLC, 2005
1
January, 2005 鈭?Rev. 3
Publication Order Number:
MC74LCX139/D
LCX139相關(guān)型號(hào)PDF文件下載
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