SN74LV273ADW

Series:	74LV
Packaging:	Tube
Part Status:	Active
Function:	Master Reset
Type:	D-Type
Output Type:	Non-Inverted
Number of Elements:	1
Number of Bits per Element:	8
Clock Frequency:	160MHz
Max Propagation Delay @ V, Max CL:	10.5ns @ 5V, 50pF
Trigger Type:	Positive Edge
Current - Output High, Low:	12mA, 12mA
Voltage - Supply:	2 V ~ 5.5 V
Current - Quiescent (Iq):	20µA
Input Capacitance:	2pF
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Base Part Number:	74LV273

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Logic - Flip Flops

SN74LV273ADW Application Field and Working Principle

SN74LV273ADW is a high-performance Non-Volatile (NvSRAM) 8-bit low power CMOS memory chip, operating with a single 3V to 5.5V power supply. This device features an asynchronous SRAM interface, read and write capability, and four independent internal address registers.The SN74LV273ADW is used in various applications such as portable, industrial and telecom systems. It is suitable for applications requiring low power and a wide voltage range, such as intelligent systems that require data storage and retrieval, as well as applications that require data retention without power.The chip is based on a clocked synchronous RAM design. This type of design divides the memory into two parts: the memory array, which stores the actual data, and the address register, which stores the starting address of the data being accessed. When an address is written to the address register, the information is written to the memory array. When an address is read from the address register, the information is read from the memory array.When data is written to the SN74LV273ADW, it is written sequentially, starting from the beginning of the address register. To ensure data is written into the correct address, the chip will keep track of the address of the last written location. In other words, the chip keeps a pointer to the last written location and will continue to write data sequentially from there.The SN74LV273ADW also contains four independent flip-flops, which are used for synchronizing the data being stored in the RAM. The flip-flops are used to coordinate between different logic levels which may exist in different parts of the system.A flip-flop is an electronic circuit element which can hold a single bit of data. It is made up of two cross-coupled inverters, along with two inputs and two outputs. The two inputs of the flip-flop are called the S (set) and R (reset) inputs. The S input is used to set the flip-flop, while the R input is used to reset the flip-flop. When either the S or R inputs are low, the flip-flop will hold the data in its input. The two outputs of the flip-flop are called the Q (high) and Q (not-high) outputs. The Q output is high when the S input is low and the R input is high, while the Q output is low when the S input is high and the R input is low.When the SN74LV273ADW is used for data storage, the flip-flops are used to synchronize the data being written to the RAM. This ensures that data from one section of the system is written to the RAM in the correct order.In conclusion, the SN74LV273ADW is a high-performance, low-power CMOS memory chip that is suitable for many applications. It is based on a clocked synchronous RAM design, and features four independent flip-flops which are used to synchronize the data being stored in the RAM. This ensures data is written in the correct order, and is essential for applications that require data storage and retrieval.

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