93LC86B-I/ST

Series:	--
Packaging:	Tube
Part Status:	Active
Memory Type:	Non-Volatile
Memory Format:	EEPROM
Technology:	EEPROM
Memory Size:	16Kb (1K x 16)
Clock Frequency:	3MHz
Write Cycle Time - Word, Page:	5ms
Memory Interface:	SPI
Voltage - Supply:	2.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	8-TSSOP
Base Part Number:	93LC86B

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Memories are an integral part of any computer system, used to store data. The 93LC86B-I/ST is a small serial electrically erasable programmable read only memory (EEPROM) chip, manufactured by ST Microelectronics. This chip is a great solution for applications that require a small, non-volatile memory solution.The 93LC86B-I/ST can be used in various applications such as BIOS and system setup storage, non-volatile data storage, serial number storage, system configuration storage, and security code storage. The chip is designed to be used with microcontrollers, including 8-bit and 16-bit buses, allowing data to be accessed quickly and conveniently.The 93LC86B-I/ST features a low operating voltage of just 2.7 volts, making it a suitable choice for battery powered applications. This operates with a 128-byte capacity, with a single-ended serial interface that supports either the SPI or the Microwire protocol. This chip can be programmed to write new data and is also able to erase itself for reprogramming.The 93LC86B-I/ST offers high data retention, up to 40 years, meaning it can store data securely over a long period of time. Despite its size, this chip has a high temperature operating range, down to -55 degrees Celsius. It is also ‘hardwired’ for WRITE protection, ensuring the sensitive data is secure and protected.When using the 93LC86B-I/ST, it is important to take the correct steps. First, you will need to set up your interface correctly. You can do this with an external resistor, which connects the device to the SDA (serial data) and SCL (serial clock) pins. This allows the chip to communicate with the microcontroller or other host device.Once you have set up the interface, you can begin writing data to the chip on the SDA line, using the SCL as a clock signal. The chip can be written to using either the SPI or the Microwire protocol. Each protocol has its own set of commands for reading and writing the memory, so it is important to familiarise yourself with this before continuing.Once the data is written, the chip can be read back to confirm that it has been written successfully. To do this, the same protocol used to write the data should be used to read it back. This chip also features an erase command, allowing data to be erased, or blocked, if required.The 93LC86B-I/ST is designed to be extremely efficient, using very little power when idle. This helps to ensure that the chip does not draw too much current from the microcontroller, and also helps to keep power consumption to a minimum. This chip is extremely reliable, making it a great choice for a number of applications.In summary, the 93LC86B-I/ST is a small, low operating voltage, EEPROM chip, with a 128-byte capacity. It can be used in applications such as BIOS and system setup storage, non-volatile data storage, serial number storage, system configuration storage, and security code storage. It offers high data retention, a high temperature operating range, and WRITE protection. It can be written to using either the SPI or the Microwire protocol, and can also be erased as required.

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