N82SPSG

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N82SPSG Application Field and Working Principle

Introduction

The N82SPSG is an integrated circuit or IC designed by Maxim Integrated Products Inc. (not to be confused with other commonly used reference devices, such as the N82E or the N82SLS). The N82SPSG stands for “Non-Volatile Floating-Point Storage Cell”. To understand the working principle and application of the N82SPSG, it is necessary to have a basic knowledge of IC design and semiconductor device technology.

Design Flow

The design process of the N82SPSG follows a design flow that allows for the implementation of a high-density SRAM or Shift Register Arithmetic Logic Unit (SRALU). This design flow starts with a schematic capture, which allows the designer to create a netlist of the circuit. It then moves to a circuit-level simulation, which allows the designer to debug the design and make sure it meets the system requirements. The next step is layout and integration into an IC package. The last step in the design flow is designing the layout and placement of components, which is also known as the "fine-tuning" phase.

Functionality

The N82SPSG is designed for use in non-volatile memory systems. It supports 32K byte of data storage and is designed for use in microprocessors, digital signal processors, and embedded controllers. The stored data can be updated in-circuit from an I/O port. The N82SPSG provides high data storage capacity with data retention and protection from power supply failure. The N82SPSG has multiple built-in protection and configuration options, including programmable data bits, address protection, priority rules, and ECC support.

Working Principle

The N82SPSG employs a dual port SRAM interface to store data. The two ports are connected to the microprocessor and the I/O port to enable the read/write operations. The data is stored in cells, each of which consists of two registers, one for data input and one for data output. The data is put in the input register and can be read from the output register. The two registers contain different data at any given time, which reduces the possibility of data loss.The N82SPSG can be used to store values up to 32 bits in length and can be accessed simultaneously from the two ports. The stored data is volatile, meaning it is lost when the power supply is lost or when the system is reset. To address this issue, the N82SPSG has a data retention feature that maintains the data in the event of power failure.

Application Field

The N82SPSG is mainly used in computer memory systems, including PCs, laptops, and industrial applications. It is used to store and access data quickly and reliably. It is also used in embedded controllers and digital signal processors (DSPs). In addition, N82SPSG is also suitable for other applications, such as power distribution control, parameter image storage, and digital-to-analog conversion.

Conclusion

The N82SPSG IC from Maxim Integrated Products is a high-density SRAM or Shift Register Arithmetic Logic Unit (SRALU) that makes use of a dual port interface. It is designed for use in non-volatile memory systems and can handle data up to 32 bits in length. The stored data is volatile, and the N82SPSG has an in-circuit data retention feature to ensure data is not lost during system resets and power failures. The N82SPSG is mainly used in computer memory systems, including PCs, laptops, and embedded controllers, as well as digital signal processors.

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