SN74AHC273DW

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In computing and digital electronics, a flip-flop, also called a memory element, is a bistable device that maintains its output state indefinitely until it is triggered by a pulse. As one of the most elementary logic elements, flip-flops are commonly used in memory, counters, and registers. The SN74AHC273DW is a classic logic device from the popular family of AHC logic devices, designed to provide the semiconductor user with a benchmark in terms of power, speed, and reliability. This article will explain the application field and working principle of the SN74AHC273DW.

The SN74AHC273DW is an eight-bit flip-flop device with octal D-type and three-state buffers, designed for use in high-performance system applications requiring speeds of 4 to 16 ns. The device is typically used in data synchronization and storage operations, as well as address and control buses. In addition, it can be used in multiplexer and demultiplexer applications, digital waveform duplication and data storage.

The SN74AHC273DW is available in two versions: standard and advanced. In the standard version, the devices are configured with two octal D-type flip-flop registers, while the advanced version adds an additional bus driver. This makes the SN74AHC273DW a versatile and powerful logic device, able to meet the needs of a broad range of applications.

The SN74AHC273DW operates with a single supply voltage of 1.65 to 3.6 volts. This makes it suitable for both 3.3 V and 5 V systems. In addition, the device is designed to provide low noise and robust immunity to electrical transients. In terms of power consumption, the SN74AHC273DW has a typical static power consumption of 2 mW and a typical dynamic power consumption of 11 mW. Furthermore, the device is designed to operate at temperatures ranging from -40 to 125 degree Celsius.

The SN74AHC273DW features both a master reset and an individual chip reset, which allow the user to reset both the master register and the individual chips in order to return them to their initial states. Additionally, the device includes an Enable signal that allows the user to control the flow of data between the master and the individual chips. The Enable signal also provides protection against noise on the data bus by only allowing data to be transmitted when the signal is active.

The SN74AHC273DW works according to the flip-flop principles of data storage and retrieval. In this device, the two octal D-type registers store data when the flip-flop Enable signal is enabled. When the Enable signal is in the inactive state, the data is retrieved from the registers. Furthermore, the device features three-state buffers, which allow the user to control the direction of data flow and to provide isolation when needed.

In conclusion, the SN74AHC273DW is a versatile and powerful logic device that offers excellent speed, low power consumption, and robust noise immunity. It is commonly used in data synchronization and storage operations, multiplexer/demultiplexer applications, digital waveform duplication, and data storage applications. The flip-flop architecture of the device allows data to be stored and retrieved efficiently, making it an ideal choice for a wide range of system applications.

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