M74HC573TTR Integrated Circuits (ICs)

Series:	74HC
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Logic Type:	D-Type Transparent Latch
Circuit:	8:8
Output Type:	Tri-State
Voltage - Supply:	2 V ~ 6 V
Independent Circuits:	1
Delay Time - Propagation:	12ns
Current - Output High, Low:	7.8mA, 7.8mA
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	20-TSSOP
Base Part Number:	74HC573

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The M74HC573TTR is a type of logic latch produced by STMicroelectronics and can often be found in a variety of electronics circuits. A latch is a type of information storage system which can be used to store the current state of a device, and remain in that state until further signals are received. As such, latches are fundamentally important for any electronics system requiring data to be stored in certain states for a period of time. The M74HC573TTR is classified as a logic-latch and forms part of the 74HC range of logic circuits from STMicroelectronics. This specific part is an 8-bit D-type flip-flop which offers data storage with the use of two data inputs and two outputs. The two inputs are ideally suited for latches, as these consist of clock and enable inputs, allowing users to control the transferring of data and the length of time in which this should be stored. As a logic-latch, the M74HC573TTR is predominantly utilized in logic-based applications. However, this type of latch can be applied to many different applications across areas such as Industrial, Technology and Automotive, among others. With its 8-bit data operation, this type of latch can be used to store multiple bits of data simultaneously, or to perform parallel or serial data access operations. The latch can also be used to transfer data across a clock tree, making it perfectly suited for use in synchronous systems. At a fundamental level, the working principle of the M74HC573TTR is relatively simple. The two data inputs are clock and enable inputs, where the clock controls the internal data flow and the enable input can act as the reset line. When data is applied to the latch, it will be stored and remain as so until signaled otherwise by the enable or clock inputs. Depending on the specific application and specific pins used, the latch may either output data when the enable input is HIGH, or when both the enable and clock inputs are HIGH. This is due to the latch having both Pos-Edge and Neg-Edge triggering capabilities. In terms of the M74HC573TTR itself, the logic-latch is available in STMicroelectronics’s SO-14 or TSSOP-14 package, depending on the specific model. It contains a maximum operating voltage of 5.5 V and typical propagation delay time of 10 ns, allowing it to support a wide frequency range up to 200 MHz. The below diagram illustrates the pin assignment of the latch in its TSSOP-14 package, which will allow you to integrate this type of logic-latch into any suitable application. In summary, the M74HC573TTR is a type of 8-bit D-type flip-flop which is ideally suited for use in logic-based applications. With the clock and enable inputs, users can control the trigger of the data stored in the latch. This type of logic-latch is available in STMicroelectronics’s SO-14 or TSSOP-14 packages, with a maximum operating voltage of 5.5 V and propagation delay of 10 ns. As such, the M74HC573TTR is an ideal choice for anyone requiring an efficient and reliable way of storing data for a period of time.

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