CD74ACT574M

Max Propagation Delay @ V, Max CL:	11.2ns @ 5V, 50pF
Base Part Number:	74ACT574
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C (TA)
Input Capacitance:	10pF
Current - Quiescent (Iq):	8µA
Voltage - Supply:	4.5 V ~ 5.5 V
Current - Output High, Low:	24mA, 24mA
Trigger Type:	Positive Edge
Series:	74ACT
Clock Frequency:	110MHz
Number of Bits per Element:	8
Number of Elements:	1
Output Type:	Tri-State, Non-Inverted
Type:	D-Type
Function:	Standard
Part Status:	Active
Packaging:	Tube

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Introduction

The CD74ACT574M is a flip-flop logic device made by Texas Instruments. It is a high-performance register and dual-two-input multiplexer in one package. It is an ideal choice for applications such as logic level translation, bus interfacing, and serial data processing. The CD74ACT574M offers a wide range of features, including excellent signal integrity and low power dissipation. It is also capable of operating from a wide range of supply voltages, from 2.7V to 6V.

Applications

The primary use of the CD74ACT574M is for logic level translation. Logic level translation is essential for interfacing between components that operate at different voltage levels, usually to allow two chips running at different supply voltages to communicate with one another. The CD74ACT574M is also used for bus interfacing and serial data processing. It can be used as a register for storing data, as a multiplexer for selecting a data source and a register for analyzing data.

Working Principle

The CD74ACT574M consists of two self-latching flip-flop circuits connected in series, or "cascaded". Each flip-flop is made up of two basic elements: a data input, or "d", and a clock input or "clk". When the necessary inputs are present, the flip-flop translates incoming data according to the clock signal, and then stores the result. When the clk input transitions low, the data at the data input (d) is transferred to the output. When the clk input transitions high, the data at the data input is no longer transferred, and the output holds the value it had previously. The output can thus be used to store and hold data, such as an address, or a data word from memory. Due to its dual self-latching design, the CD74ACT574M can be used to multiplex two signals from two different data sources. In this arrangement, the CD74ACT574M acts as a multiplexer, and the data source is selected by the clk input. The data is then transferred to the output of the CD74ACT574M when the clk input transitions low.

Conclusion

The CD74ACT574M is an excellent choice for applications where logic level translation, bus interfacing, and serial data processing are required. It offers excellent signal integrity and low power dissipation, and is capable of operating from a wide range of supply voltages. It consists of dual cascaded self-latching flip-flop circuits, which can be used to multiplex two signals from two different data sources. With all these features, the CD74ACT574M is the perfect device for a variety of applications.

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