93LC66CXT-I/SN

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The 93LC66CXT-I/SN Memory device is an internally-organized, low voltage, 2-Wire Serial Electrically Erasable Programmable Read-Only Memory (EEPROM). It has a 2-Kbit (256 bytes) array of data that is organized as 8 independent 256 x 8 registers. It is used to store configuration and other data.

93LC66CXT-I/SN Memory has many applications in microprocessor-based systems. It can be used to store user or machine settings, or for storing data for executing self-diagnostic routines. It is also commonly used in code-hopping applications. These applications rely on the device’s ability to randomize/hop codes when a user attempts to access a secure system.

When used in systems where a power supply is available, the device typically operates at 3.3V. However, an external voltage can be applied to its VCC pin, ranging from 1.2V to 5.5V. The device can stand a maximum voltage of 6.6V. To distinguish between individual devices, the manufacturer provides a unique identification number which is stored in the device itself.

The 93LC66CXT-I/SN Memory operates by using a 2-wire serial protocol. This protocol allows communication between the device and the microcontroller using a single data line. The protocol consists of three different commands: Write, Read and Write Protection. When a Write command is issued, data is written to the device. When a Read command is issued, data is read from the device. The Write Protection command can be used to protect the user register from accidental overwrites.

The 93LC66CXT-I/SN Memory can be used to store data for applications ranging from consumer electronics to industrial equipment. Its 2-wire serial protocol makes it easy to use, and its low power consumption ensures that it can be used in battery-powered systems. Additionally, the device’s integrated write protection feature ensures user data is secure and protected from accidental overwrites.

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