SST25WF512-40-5I-SAF

Series:	SST25
Packaging:	Tube
Part Status:	Obsolete
Memory Type:	Non-Volatile
Memory Format:	FLASH
Technology:	FLASH
Memory Size:	512Kb (64K x 8)
Clock Frequency:	40MHz
Write Cycle Time - Word, Page:	60µs
Memory Interface:	SPI
Voltage - Supply:	1.65 V ~ 1.95 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	SST25WF512

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Introduction

The SST25WF512-40-5I-SAF is a memory device, developed and manufactured by the Silicon Storage Technology, a well-recognized American-based technology company specializing in semiconductor systems. This particular device is a non-volatile serial flash microcontroller memory device, which can be actively used in various segments and applications.

Application Fields

Due to its non-volatile memory features, the SST25WF512-40-5I-SAF is widely used across many industries including consumer electronics, automotive, networking and communication, and medical industries. Consumer electronics – This device is actively used in consumer electronic systems due to its non-volatile memory feature and its ability to retain data even when power is lost. Common applications include memory cards, digital cameras, PC peripherals, and other consumer products. Automotive – This device is a popular choice in automotive applications due to its ability to store data and be used as a spare key to lock and unlock vehicle doors. Additionally, automotive systems can use this device to store information such as tire pressure and engine temperature. Networking and communication – Again, the ability of this device to store data without power is highly advantageous in the networking and communication industry. This is especially true when an individual needs to save and store data in server and storage applications. Medical – This device is full compliant with the medical industry due to its non-volatile memory, stability and high performance. With this device, medical companies are able to securely store and save patient data such as medical records, and other healthcare-related information.

Working Principle

The SST25WF512-40-5I-SAF is a flash memory device that utilizes wafer-level chip-scale packaging and an internal memory controller to provide an optimized, cost effective memory solution. It contains 512Kbytes of memory capacity, expandable through the integration of an external controller. This device features a serial peripheral interface (SPI) to communicate with a host. The device is programmed through a single-bit mode via the SPI protocol. The SST25WF512-40-5I-SAF operates through the use of modified MOS (metal-oxide-silicon) structures that transistors are divided into a NAND-type configuration in order to store data. In this structure, bit cells have two field gates, the control gate and the floating gate. This structure allows electrons to be stored onto the floating gates, creating negative charges on the gate. This negative charge can then be used to store data in the form of a binary one or a zero. The device also implements an array of security features to protect stored data. These features include block protect features, hardware sector protection, chip protect, and program/erase suspend. In this way, the SST25WF512-40-5I-SAF can keep critical data secure and safe.

Conclusion

The SST25WF512-40-5I-SAF is a non-volatile serial flash microcontroller memory device developed and manufactured by the Silicon Storage Technology. This device is a popular choice in many industries due to its ability to retain data when power is lost and its array of security features. Additionally, this device functions by utilizing its NAND-type configuration and double field gates – the control gate and the floating gate – in order to store data. All in all, SST25WF512-40-5I-SAF is a suitable device for many applications due to its many features.

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