DS1245WP-100IND+

Series:	--
Packaging:	Tube
Part Status:	Active
Memory Type:	Non-Volatile
Memory Format:	NVSRAM
Technology:	NVSRAM (Non-Volatile SRAM)
Memory Size:	1Mb (128K x 8)
Write Cycle Time - Word, Page:	100ns
Access Time:	100ns
Memory Interface:	Parallel
Voltage - Supply:	3 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	34-PowerCap™ Module
Supplier Device Package:	34-PowerCap Module
Base Part Number:	DS1245W

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The DS1245WP-100IND+ is a non-volatile timekeeping static RAM used as a keepalive memory. It enables system designers to meet the requirements of many embedded systems needing a persistent memory or system controller.

Introduction

DS1245WP-100IND+ is an enhanced version of the original DS1245WP-100IND. It is an automatically operated, 8K by 8, nonvolatile static RAM which can be used for a variety of applications, including system memory keep alive, event control and storage of data. Utilizing advanced one-transistor static RAM and non-volatile static RAM technology, DS1245WP-100IND+ provides a high degree of data retention and reduced power consumption.

Features

The DS1245WP-100IND+ memory is an 8K by 8 SRAM organized as 1024 words by 8 bits and has a total capacity of 8,192 bytes. The device has non-volatile circuitry and can keep data stored in memory when there is no power provided. Furthermore, it includes a wide voltage range operation and an automated write protect program.

Application Fields

The application fields of the DS1245WP-100IND+ memory include keep-alive memory, system memory keep alive, stack permanent save and retrieval and wake up on power up. It can be widely used in the personal computer, mission-critical system, industrial automation, embedded systems, telecommunication infrastructure, memory controller and memory expansion etc.

Working Principle

The working principle of the DS1245WP-100IND+ memory is based on non-volatile, static RAM which ensures that data stored in the memory is always retained even when there is no power supply. The device includes a self-timing cycle which enables it to perform write and erase operations without a microprocessor or any other external logic. The device supports multiple programming codes and can be operated in a variety of modes such as byte, page, sector and global operations. When a write request is detected, the device will automatically erase the memory and then write the new data. The device also supports a secure programming mode which prevents unauthorized programing of the contents of the memory. Furthermore, the device uses refresh algorithms to ensure data retention and memory integrity when the power is removed.

Conclusion

In conclusion, the DS1245WP-100IND+ is a non-volatile, timekeeping static RAM which can be used for a variety of applications, including system memory keep alive, event control and storage of data. It is highly reliable, providing a high degree of data retention and reduced power consumption. With its wide voltage range operation, multiple programming codes, secure programming mode and data refresh algorithms, the DS1245WP-100IND+ is ideal for mission-critical applications and embedded systems.

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