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74HC574 Datasheet PDF : 8 Pages
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74HC574
Octal 3−State Noninverting
D Flip−Flop
High−Performance Silicon−Gate CMOS
The 74HC574 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 HC574 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
• ESD Performance: HBM > 2000 V; Machine Model > 200 V
• Chip Complexity: 266 FETs or 66.5 Equivalent Gates
• This is a Pb−Free Device
http://onsemi.com
MARKING
DIAGRAMS
20
1
20
TSSOP−20
DT SUFFIX
CASE 948E
1
HC
574
ALYW G
G
HC574 = Device Code
A
= Assembly Location
L
= Wafer Lot
Y
= Year
W
= Work Week
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 3 of this data sheet.
© Semiconductor Components Industries, LLC, 2007
1
March, 2007 − Rev. 1
Publication Order Number:
74HC574/D
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