BQ4013YMA-70

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The BQ4013YMA-70 is a 4K bit non-volatile UV VEFOR type EEPROM of the memory family. It offers several advantages such as low power consumption (with an operating current of a mere 1/100th of an ampere) and fast write cycles. What’s more, the device can retain its contents even when the power is disconnected and without any external components. This makes it suitable for applications such as remote data logging and temperature control systems.

The BQ4013YMA-70 EEPROM is organized as 16 pages consisting of 256 x 8 bits. The device contains a built-in 256 byte scratch RAM memory which is not affected by write operations or power failures. The device is operated through a standard 2-wire serial protocol, controlled by the two signals SDA and SCL, also known as Serial Data and Serial Clock. The Serial Communications Interface (SCI) protocol, as it is sometimes referred to, dictates the communication between the device and the master, that is, the controller.

Data stored in the BQ4013YMA-70 is accessed and written to via the control signals. To access the memory, the master must first write the address of the desired memory location and then the data to be stored in it. The serial clock signal is used to synchronize the transmission of data. The master can read or write the data from the EEPROM by providing the necessary command, address and the data to be written.

Additionally, the BQ4013YMA-70 has several functions such as Block Erase All, where all bytes of the EEPROM can be erased at once, and Page Ease All, where all bytes of a given page can be erased at once. Other operations such as Read Data After Write and Partial Block Erase are also supported.

The BQ4013YMA-70 EEPROM is ideal for applications where low power consumption, fast write cycles and non-volatile memory are key requirements. Being an ultraviolet-erasable EEPROM, the device offers a high level of reliability and data integrity with no wear-out and no requirement for refresh operations. Thanks to its easy-to-use and low pin count, the BQ4013YMA-70 is suitable for a variety of applications in various industries such as automotive, industrial automation and medical.

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