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74ACQ574 数据表(PDF) 1 Page - Fairchild Semiconductor

部件名 74ACQ574
功能描述  Quiet Series Octal D-Type Flip-Flop with 3-STATE Outputs
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制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor

74ACQ574 数据表(HTML) 1 Page - Fairchild Semiconductor

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tm
April 2007
©1990 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74ACQ574, 74ACTQ574 Rev. 1.3
74ACQ574, 74ACTQ574
Quiet Series™ Octal D-Type Flip-Flop with 3-STATE Outputs
Features
ICC and IOZ reduced by 50%
Guaranteed simultaneous switching noise level and
dynamic threshold performance
Guaranteed pin-to-pin skew AC performance
Inputs and outputs on opposite sides of the package
allowing easy interface with microprocessors
Functionally identical to the ACQ/ACTQ374
3-STATE outputs drive bus lines or buffer memory
address registers
Outputs source/sink 24mA
Faster prop delays than the standard AC/ACT574
General Description
The ACQ/ACTQ574 is a high-speed, low-power octal
D-type flip-flop with a buffered Common Clock (CP) and
a buffered common Output Enable (OE). The information
presented to the D inputs is stored in the flip-flops on the
LOW-to-HIGH clock (CP) transition.
ACQ/ACTQ574 utilizes FACT Quiet Series™ technology
to guarantee quiet output switching and improve
dynamic threshold performance. FACT Quiet Series fea-
tures GTO™ output control and undershoot corrector in
addition to a split ground bus for superior performance.
The ACQ/ACTQ574 is functionally identical to the
ACTQ374 but with different pin-out.
Ordering Information
Device also available in Tape and Reel. Specify by appending suffix “X” to the ordering number.
Connection Diagram
Pin Descriptions
Order Number
Package
Number
Package Description
74ACQ574SC
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300"
Wide Body
74ACQ574SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74ACTQ574SC
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300"
Wide Body
74ACTQ574SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
Pin Names
Description
D0–D7
Data Inputs
CP
Clock Pulse Input
OE
3-STATE Output Enable Input
O0–O7
3-STATE Outputs
FACT™, Quiet Series™, FACT Quiet Series™, and GTO™ are trademarks of Fairchild Semiconductor Corporation.


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