IS25WQ020-JBLE

Series:	--
Packaging:	Tube
Part Status:	Active
Memory Type:	Non-Volatile
Memory Format:	FLASH
Technology:	FLASH - NOR
Memory Size:	2Mb (256K x 8)
Clock Frequency:	104MHz
Write Cycle Time - Word, Page:	1ms
Memory Interface:	SPI
Voltage - Supply:	1.65 V ~ 1.95 V
Operating Temperature:	-40°C ~ 105°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.209", 5.30mm Width)
Supplier Device Package:	8-SOP

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Introduction to IS25WQ020-JBLE

The IS25WQ020-JBLE is a 4 Mbit (512 Kilo-bit x 8) serial non-volatile memory device with a unique 3.0 Volt power supply and is available in the industry’s smallest 8-pin package. With per-pin Serial Peripheral Interface (SPI) bus access and a minimum of 8 cycles operating cycle time, these products offer superior performance with fast and easy access time to erase/write information.

IS25WQ020-JBLE Application Field

The IS25WQ020-JBLE has a wide range of applications. It is widely used in industrial, instrumentation, medical and automotive applications. Some of the features common in these products include larger capacity, low voltage operation, power savings and high durability.In the industrial and instrumentation field, the IS25WQ020-JBLE is primarily used for data logging and code storage. As the data logging feature enables the user to store and recycle data, the code storage feature enables the user to store and retrieve application codes.In the medical field, the IS25WQ020-JBLE is used for medical data acquisition, data analysis and data storage. The data acquisition feature provides the medical staff with an opportunity to record crucial medical data, with the data analysis feature helping in efficient decision making.The automotive field has been a major application area for the IS25WQ020-JBLE. Common applications include safety and security systems, vehicle diagnostics, body electronics and diagnostics. The security system available with the IS25WQ020-JBLE provides enhanced protection to the driver and passengers. The vehicle diagnostic feature helps in the quick detection of problems with the vehicle.

IS25WQ020-JBLE Working Principle

The IS25WQ020-JBLE works on the principle of storing and retrieving data using the Serial Peripheral Interface (SPI) and an 8-pin package. SPI is a synchronous data link which provides full-duplex communication between two or more devices over a single serial bus. It consists of four main signals - SCLK, SS, DI, and DO, where the SCLK is used to clock the serial data from the transmitting end, the DI is used to shift data from transmitting end to D0, and D0 is used to shift data from receiving end to DI.The working of the IS25WQ020-JBLE also includes a three-state latch circuit, which is comprised of three parts – chip select, data/input and output. When the chip select is active, the chip is enabled and data can be transmitted and received. The data can be read, written, erased and verified through the serial interface. The latch output is enabled when the chip select is active. The three-state latch circuit also provides active low write protect signal, which is used to protect the memory from accidental erasing.

Conclusion

The IS25WQ020-JBLE is a very versatile memory device which is available in 8-pin package with low power consumption and high storage capacity. It is ideal for industrial, instrumentation, medical, and automotive applications. The working of the device utilizes a Serial Peripheral Interface (SPI) for data link communication combined with a three-state latch circuit for data/input and output. The stored data can be read, written, erased and verified activation the serial interface. Therefore, the IS25WQ020-JBLE provides a reliable, high performance and cost-effective storage solution for variety of applications.

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