M93C66-MN6

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The M93C66-MN6 is a 16K-bit serial, 16-pin EEPROM of which 8K-bit data is protected by hardware write protection. It is ideal for device configuration management in fields such as automotive, industrial, and consumer applications.

M93C66-MN6 main targets are applications that require features that enable the robust protection of data integrity: part replacement, design changes, and data tracking.

Based on the electrically erasable NMOS technology and organized in 256 x 64 bits, the device is available in a variety of packages, including the Push-Pull 16SOIC and TSSOP8.

Application Field of M93C66-MN6

The M93C66-MN6 is suitable for a range of applications, including manufacturing and logistics, industrial, medical electronics, telematics, automotive, and consumer products such as telecoms, toys, and other industrial equipment.

This versatile device is used for applications ranging from automotive door unlocking and product configuration, to security storage and tamper proofing.

It is designed to meet the rigorous environmental and datasheet requirements of industrial and consumer products, including harsh conditions like temperature, humidity, and extreme vibration.

This device also supports an extended temperature range from -40°C to +85°C, and meets automotive AEC-Q100-H2 high reliability requirements.

M93C66-MN6 Working Principle

The M93C66-MN6 features 16K-bit user memory space and 8K-bit protected memory space. The protected memory consists of 2,048 bytes that cannot be modified by write access. This protected area is password-protected to prevent unauthorised access.

M93C66-MN6 provides data locking with a password protection feature. Any internal register or EEPROM page can be protected with a write-once 64-bit password. After the password has been set, no further write access is possible without authenticating. An incorrect password entry stops data write access until a correct password is entered.

The M93C66-MN6 stores write cycles and execution times for the protected data. This ensures that when the SOFT_POWER_ON flag is set and the power is removed and restored, the write cycle and execution times information is not lost.

In addition, the M93C66-MN6 offers internal RAM register with various functions, including a 32-bit random number generator which can support true random number generation by utilizing the internal A/D converter, and a factory write-once 16-bit ID code.

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