PSD854F2V-12MI

Series:	--
Packaging:	Tray
Part Status:	Obsolete
Memory Type:	Non-Volatile
Memory Format:	FLASH
Technology:	FLASH
Memory Size:	2Mb (256K x 8)
Write Cycle Time - Word, Page:	--
Access Time:	120ns
Memory Interface:	Parallel
Voltage - Supply:	3 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	52-QFP
Supplier Device Package:	52-PQFP (10x10)
Base Part Number:	PSD854F

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Introduction

PSD854F2V-12MI is a type of memory IC that is widely used in a variety of applications. This IC is often employed in mobile phones, PDAs, automotive applications, and portable consumer electronics products. The compact size of the PSD854F2V-12MI makes it an ideal candidate for choosing memory controllers in small devices. Furthermore, its low power operation makes it feasible for battery powered devices. This article will provide a discussion regarding the application field and working principle of the PSD854F2V-12MI.

Application Field

The PSD854F2V-12MI is a nonvolatile memory device that has high endurance and can be programmed and erased in-circuit either once or a specified number of times. Furthermore, the PSD854F2V-12MI is utilized in a wide range of applications. Such applications include consumer electronics, automotive, and mobile/wireless/telecom applications.The consumer electronics segment employs the PSD854F2V-12MI for uses such as compute memory and consumer security. In the automotive industry, the PSD854F2V-12MI is used for controlling fuel injector, emission control, engine management and diagnostic systems. Furthermore, in the mobile/wireless/telecom market, the IC is utilized in smart cards, mobile phones and PDAs.The benefit of using the PSD854F2V-12MI in each of these applications is that this device is nonvolatile and has low power operation. These characteristics make the IC an ideal solution in various applications. Moreover, the reliable data retention feature provided by this memory eliminates the need for regular refresh or rewriting which contributes to extended lifespan of the device.

Working Principle

The main function of the PSD854F2V-12MI is to store program data for executing user applications. The IC employs Flash memory technology for data storage and has four separate planes (Memory area 0, 1, 2 and 3). The PSD854F2V-12MI includes an internal system for normal and emergency erase and programming operations. Furthermore, the PSD854F2V-12MI provides a built-in EEPROM (Electrically Erasable Programmable Read-Only Memory) looper, which allows programs to be resampled and read without having to repeat the process of writing and erasing.The PSD854F2V-12MI is also accompanied by a watchdog timer circuit, which is used to monitor system performance and avoids memory-related errors. Additionally, this device contains a power source selector, thereby multiple power source options such as V12 and VDD supply voltages can be used.

Conclusion

To summarize, the PSD854F2V-12MI is a type of memory IC that can be found in a wide range of applications such as consumer electronics, automotive, and mobile/wireless/telecom. This IC utilizes Flash memory technology for storage and possesses four separate planes. Moreover, the PSD854F2V-12MI provides a built-in system for programming and erasing operations as well as a built-in EEPROM looper. The device is also accompanied by a watchdog timer circuit and provides a range of power supply options. This combination of memory characteristics makes the PSD854F2V-12MI an ideal choice for a variety of applications.

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