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MC74HC244ADW Datasheet PDF : 8 Pages
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MC74HC244A
Octal 3−State Noninverting
Buffer/Line Driver/
Line Receiver
High−Performance Silicon−Gate CMOS
The MC74HC244A is identical in pinout to the LS244. The device
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LSTTL outputs.
This octal noninverting buffer/line driver/line receiver is designed
to be used with 3−state memory address drivers, clock drivers, and
other bus−oriented systems. The device has noninverting outputs and
two active−low output enables.
The HC244A is similar in function to the HC240A.
Features
• Output Drive Capability: 15 LSTTL Loads
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1 mA
• High Noise Immunity Characteristic of CMOS Devices
• In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
• Chip Complexity: 136 FETs or 34 Equivalent Gates
• Pb−Free Packages are Available*
20
1
20
1
20
1
http://onsemi.com
MARKING
DIAGRAMS
20
PDIP−20
N SUFFIX
CASE 738
1
MC74HC244AN
AWLYYWWG
20
SOIC−20
DW SUFFIX
CASE 751D
HC244A
AWLYYWWG
1
20
TSSOP−20
DT SUFFIX
CASE 948E
1
HC
244A
ALYWG
G
20
1
20
SOEIAJ−20
F SUFFIX
CASE 967
1
74HC244A
AWLYWWG
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
A
= Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
G
= Pb−Free Package
G
= Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
© Semiconductor Components Industries, LLC, 2006
1
April, 2006 − Rev. 11
Publication Order Number:
MC74HC244A/D
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