74ACQ574

74ACQ574, 74ACTQ574 Quiet SeriesTM Octal D-Type Flip-Flop with 3-STATE Outputs

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74ACQ574, 74ACTQ574 Quiet SeriesTM Octal D-Type Flip-Flop with 3-STATE Outputs

April 2007

74ACQ574, 74ACTQ574
Quiet SeriesTM Octal D-Type Flip-Flop with 3-STATE Outputs
Features

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 SeriesTM technology to guarantee quiet output switching and improve dynamic threshold performance. FACT Quiet Series features GTOTM 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.

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

Ordering Information
Order Number
74ACQ574SC 74ACQ574SJ 74ACTQ574SC 74ACTQ574SJ

Package Number
M20B M20D M20B M20D

Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide Body 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide Body 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

Device also available in Tape and Reel. Specify by appending suffix "X" to the ordering number.

Connection Diagram

Pin Descriptions
Pin Names
D0 D7 CP OE O0 O7 Data Inputs Clock Pulse Input 3-STATE Output Enable Input 3-STATE Outputs

Description

FACTTM, Quiet SeriesTM, FACT Quiet SeriesTM, and GTOTM are trademarks of Fairchild Semiconductor Corporation. 1990 Fairchild Semiconductor Corporation 74ACQ574, 74ACTQ574 Rev. 1.3 www.fairchildsemi.com