SN74LV573ATPWR

The SN74LV573ATPWR is a high-speed, low-voltage octal latch from Texas Instruments, designed for use in digital circuits. It is part of the 74LV family of logic devices, which are known for their low power consumption and high-speed performance. Here’s a detailed description of its features and specifications:

General Features:

• Type: Octal D-type latch
• Technology: Low-voltage CMOS (Complementary Metal-Oxide-Semiconductor)
• Functionality: The device consists of eight latches that can store data on the rising edge of the clock signal. Each latch can hold one bit of data, allowing for the storage of 8 bits in total.

Electrical Characteristics:

• Supply Voltage (Vcc): Operates typically at 2.7V to 3.6V, making it suitable for low-voltage applications.
• Input Voltage Levels: Compatible with TTL (Transistor-Transistor Logic) levels, allowing for easy interfacing with other logic families.
• Output Drive Capability: Capable of driving standard loads, making it suitable for various applications.

Pin Configuration:

• The SN74LV573ATPWR is available in a 20-pin TSSOP (Thin Shrink Small Outline Package) form factor, which is compact and suitable for space-constrained applications.
• The pins are arranged to provide easy access to the data inputs, clock input, latch enable, and output pins.

Functional Operation:

• Data Inputs (D0-D7): These pins are used to input the data that will be latched.
• Clock Input (CLK): The clock signal controls when the data is latched. On the rising edge of the clock, the data present at the inputs is transferred to the output latches.
• Latch Enable (LE): This control pin determines whether the latches are enabled or disabled. When LE is high, the latches are transparent, allowing data to pass through. When LE is low, the latches hold the last data value.
• Outputs (Q0-Q7): These pins provide the latched output data. The outputs reflect the state of the corresponding inputs at the last clock edge when LE was low.

Performance:

• Propagation Delay: The device features low propagation delays, typically in the range of a few nanoseconds, allowing for high-speed operation in digital circuits.
• Power Consumption: The low-voltage operation and CMOS technology contribute to reduced power consumption, making it ideal for battery-powered and energy-efficient applications.

Applications:

The SN74LV573ATPWR is commonly used in various applications, including:

• Data storage in microcontrollers and digital signal processors.
• Temporary data holding in communication systems.
• Interface circuits in consumer electronics.
• General-purpose latching applications in digital logic designs.

Conclusion:

The SN74LV573ATPWR from Texas Instruments is a versatile and efficient octal latch that combines low power consumption with high-speed performance, making it suitable for a wide range of digital applications. Its compact package and compatibility with TTL levels enhance its usability in modern electronic designs.