74ACQ574SJ

Description：IC FF D-TYPE SNGL 8BIT 20SOP
Series：74ACQ
Mfr：onsemi
Package：Tube

SKU:925284b48210 Category: Flip Flops Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：IC FF D-TYPE SNGL 8BIT 20SOP
Series：74ACQ
Mfr：onsemi
Package：Tube
Function：Standard
Type：D-Type
Output Type：Tri-State, Non-Inverted
Number of Elements：1
Number of Bits per Element：8
Clock Frequency：90 MHz
Max Propagation Delay @ V, Max CL：8.5ns @ 5V, 50pF
Trigger Type：Positive Edge
Current - Output High, Low：24mA, 24mA
Voltage - Supply：2V ~ 6V
Current - Quiescent (Iq)：40 µA
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Supplier Device Package：20-SOP
Package / Case：20-SOIC (0.209", 5.30mm Width)
Input Capacitance：4.5 pF
Grade：-
Qualification：-

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74ACQ574SJ

Overview

The onsemi 74ACQ574SJ is an octal D-type edge-triggered flip-flop featuring three-state outputs. It operates within a supply voltage range of 4.5V to 5.5V and supports a maximum clock frequency of 85 MHz. The device exhibits a propagation delay of 9ns at 5V with 50pF load, providing high-speed data storage capabilities. It delivers output currents of 24mA for both high and low states. Packaged in a 20-SOP format, it functions across temperatures from -40°C to +85°C.

Feature Summary

Octal D-type edge-triggered flip-flop architecture
Three-state non-inverting outputs
High-speed operation up to 85 MHz
Robust drive capability with 24mA output current

Applications

Parallel-to-serial data conversion circuits
High-speed buffering applications
Register file implementations

Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm package integrity and pin alignment against the 20-SOP specification. Review RoHS compliance documentation prior to integration. Ensure thermal management aligns with the specified operating temperature range. Validate design compatibility with existing system voltage levels.

Selection Notes

Select this component for designs requiring fast octal latching with tri-state control. Consider the specific 4.5V to 5.5V supply requirement. Evaluate the 9ns propagation delay against system timing constraints. Assess the 20-SOP package dimensions for PCB layout compatibility. Compare performance metrics against alternative logic families if higher speed or different voltage ranges are needed.

Part Context

This part belongs to the 74ACQ series, representing advanced CMOS technology optimized for high-speed digital applications. It provides enhanced performance over standard AC logic while maintaining compatible pinouts. The device serves as a critical building block for complex sequential logic systems requiring reliable data retention and rapid switching characteristics.