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MC74HC574ADT Datasheet PDF : 10 Pages
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MC74HC574A
Octal 3−State Noninverting
D Flip−Flop
High−Performance Silicon−Gate CMOS
The MC74HC574A is identical in pinout to the LS574. The device
inputs are compatible with standard CMOS outputs; with pull−up
resistors, they are compatible with LSTTL outputs.
Data meeting the set−up time is clocked to the outputs with the
rising edge of the Clock. The Output Enable input does not affect the
states of the flip−flops but when Output Enable is high, all device
outputs are forced to the high−impedance state. Thus, data may be
stored even when the outputs are not enabled.
The HC574A is identical in function to the HC374A but has the
flip−flop inputs on the opposite side of the package from the outputs to
facilitate PC board layout.
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: 1.0 mA
• In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
• Chip Complexity: 266 FETs or 66.5 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
MC74HC574AN
AWLYYWWG
20
SOIC−20
DW SUFFIX
CASE 751D
74HC574A
AWLYYWWG
1
20
TSSOP−20
DT SUFFIX
CASE 948E
1
HC
574A
ALYWG
G
20
1
20
SOEIAJ−20
F SUFFIX
CASE 967
1
74HC574A
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 4 of this data sheet.
© Semiconductor Components Industries, LLC, 2005
1
July, 2005 − Rev. 10
Publication Order Number:
MC74HC574A/D
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