DS1350WP-150

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Memory Type:	Non-Volatile
Memory Format:	NVSRAM
Technology:	NVSRAM (Non-Volatile SRAM)
Memory Size:	4Mb (512K x 8)
Write Cycle Time - Word, Page:	150ns
Access Time:	150ns
Memory Interface:	Parallel
Voltage - Supply:	3 V ~ 3.6 V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	34-PowerCap™ Module
Supplier Device Package:	34-PowerCap Module
Base Part Number:	DS1350W

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Introduction

DS1350WP-150 is a type of nonvolatile random access memory (NVRAM) that can be used for a variety of applications. It is a 3.3V device with an integrated real-time clock and 31 bytes of user-programmable nonvolatile memory. The DS1350WP-150 is ideally suited for data logging and storage applications in which the system must stay powered up continuously, but requires minimal power consumption. In addition, it is ideal for applications such as digital signage, remote data access, security systems, industrial control systems and distributed applications.

Application Field

The DS1350WP-150 is primarily applied in wireless sensor networks. It provides the ability to store and read data generated by the wireless sensor nodes, thus eliminating the need for a separate storage component in a system. The DS1350WP-150 is also suitable for automatic meter reading systems, whereby it can store information such as gas or water usage and the system\'s current status.The DS1350WP-150 is also suitable for clock and timing applications, such as digital clocks and watches, point-of-sale (POS) systems, and industrial production control systems. Utilizing its low power consumption and its ability to accurately track time and date, the DS1350WP-150 is also used in alarm systems where it can be programmed to produce alarms at regular intervals or specified times.

Working Principles

The DS1350WP-150 utilizes a Serial Peripheral Interface (SPI) for communication. Data is transferred in and out of the device via a bi-directional data bus. The SPI bus can be used to access any of the 31 nonvolatile memory bytes, in addition to the real-time clock registers.The device\'s output can be operated in either push-pull or open-drain mode. The push-pull mode permits bidirectional output and allows the external system to obtain data from the device. The open-drain mode is predominantly used to provide an interrupt signal when the real-time clock register reaches zero or the time interval specified.The device employs a nonvolatile CMOS technology which ensures data retention even when the device is powered down. The device\'s data is protected by a 14-bit cyclic redundancy check (CRC) to prevent accidental corruption.

Conclusion

The DS1350WP-150 is an ideal solution for applications that require a reliable nonvolatile memory with real-time clock and low power consumption. Its on-device CRC protection, low power consumption and lightweight characteristics make it an excellent choice for wireless sensor networks, automatic meter reading systems, and a variety of clock and timing applications.

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