SN74AHCT574DWG4

Max Propagation Delay @ V, Max CL:	10.6ns @ 5V, 50pF
Base Part Number:	74AHCT574
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Input Capacitance:	3pF
Current - Quiescent (Iq):	4µA
Voltage - Supply:	4.5 V ~ 5.5 V
Current - Output High, Low:	8mA, 8mA
Trigger Type:	Positive Edge
Series:	74AHCT
Clock Frequency:	115MHz
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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SN74AHCT574DWG4 Logic - Flip Flops Application Field and Working Principle

The SN74AHCT574DWG4 is a member of the SN74AHCT574 series of low power Schottky, Octal Positive-Edge-Triggered D-Type Flip-Flops. This type of logic device is a type of digital logic gate that can store data in the form of bits. It is used to switch between two states, or two digital inputs.The SN74AHCT574DWG4 is ideal for applications such as line receiver and transmitter interface circuits, bus-oriented systems, multiplexers, and memory decoders. It features an 8-bit transparent latch which is designed to operate with TTL logic levels, and it is capable of withstanding input voltage levels up to 7V. It also has an active low-level output enable feature that allows the device to be disabled when desired.In terms of its working principle, when power is applied, the SN74AHCT574DWG4 allows a static truth table to be created with specific inputs and outputs. Each of the eight data inputs (D0-D7) has the ability to be set high (1) or low (0) and establishes a static truth table. For example, if the data inputs of D0-D7 are set to binary values 11110000, then the corresponding output ports of Q0-Q7 also reflect this same binary value.The other inputs to the SN74AHCT574DWG4 are the active low “Clear” (CLR) and “Output Enable” (OE) pins. If the CLR pin is triggered, then Q0-Q7 will be cleared and the corresponding outputs will be reset to a zero (0) level. Additionally, the OE pin acts as a buffer to the output data. When the OE is low, the data is sent out on the pins, when the OE is high, the outputs are disabled.To summarize, the SN74AHCT574DWG4 is a versatile flip-flop device which can function in a variety of logic applications. It allows multiple data inputs to be established which can be then used to produce corresponding line-level outputs. It also has two additional input pins which allow for the disabling or clearing of the device when desired. With its low power consumption, tiny form factor and high noise immunity, the SN74AHCT574DWG4 is an ideal choice for embedded systems requiring digital data storage.

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