25AA160A-I/WF15K

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25AA160A-I/WF15K (hereafter referred to as “the chip”) is part of the family of serial EEPROMs, a memory device that stores data, typically in the form of bytes, words, or double words. The chip’s name indicates the type of EEPROM technology used, providing both an indication of the chip’s physical dimensions and the amount of data it can store.

The chip comes in a small 8-pin package, supporting an operating voltage of 1.8 to 5.5 V. This makes it attractive for applications where power and space are both strictly limited and in addition, the chip provides long data retention in wafer form and it can endure up to 1,000,000 write cycles, ensuring maximum reliability and durability for the data stored within it.

The chip can be programmed by a host device through a simple two-wire interface, enabling to store up to 32,768 bytes of data (that’s 32Kb in EEPROM terminology). And it is perfectly suitable for battery-powered applications due to its very low standby power consumption and its fast access time.

The chip is widely used in embedded system and data acquisition control. The chip is suitable for many applications where data need to be stored and retrieved rapidly, such as in data loggers, remote controllers, measuring instruments and computer peripheral products. Built-in functions such as write protect and self-clear also help to reduce development complexity and cost.

The chip uses a versatile serial interface that allows for 8-bit data transmission as well as for the control of status monitoring and identification of the device. Both SPI and I2C serial buses are available, thus enabling the chip with the compatibility to a vast array of host controllers out there.

The chip is fully tested to support the following instruction set: write byte, write page, read byte, read status register, write status register, and read memory. It provides protection of the data against accidental alteration by allowing the user to set the write protect pin. It also has hardware self-clear capability and functions to erase all data when power is disabled. The chip also has incorporated timeout sequences to prevent bus lockup and to ensure proper data reception.

Overall, the 25AA160A-I/WF15K chip provides a small, low power solution to embedded control and data acquisition applications. Its support of both SPI and I2C serial buses makes the chip highly compatible with almost any host controller out there and the added protection functions make it a secure asset to guard sensitive data. The chip’s abundant non-volatile memory space and write/erase endurance make it well-suited to data logging and other embedded applications.

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