MT53D8DAHR-DC

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Memory devices are among the most important components used in electronic systems. They are used to store important data, programs and other related information. The MT53D8DAHR-DC is one such type of memory device. It is specifically designed for use in smart card applications. This article will discuss the application field of the MT53D8DAHR-DC and its working principle.

Application field

The MT53D8DAHR-DC is a smart card memory device that is suitable for a wide range of applications. It can be used in personal mobile identification, electronic wallet, prepaid mobile service, safe connectivity, and access control, among other applications. The device offers 8K bytes of electrically erasable programmable read only memory (EEPROM) for storage and data management applications. It also offers 128 bytes of secure on chip EEPROM for storing control information, write protection, and key distribution. The device is suitable for both contact and contactless smart cards.

Features

The MT53D8DAHR-DC offers several features that make it suitable for different applications. It has a low power consumption of 0.5mA at 4.0V and a high data protection level of up to 256-bit AES encryption. The device also has a battery backup feature that allows the stored data to be preserved even in the event of battery failure. It also has an integrated tamper detector and an internal watchdog timer for enhanced security. The device has a write cycles endurance of up to 100,000, allowing it to be used in many applications.

Working principle

The working principle of the MT53D8DAHR-DC is based on a serial-controlled memory system. It uses the two wire serial (TWI) protocol for communication between the host and the device. The TWI is used to read and write data from the memory. The device has two different modes of operation – command mode and data mode. In command mode, the host can select any of the available commands and send it to the device. The device then performs the requested operation based on the command. In data mode, the host can read or write data to and from the memory.

Once the device has received the command and the data, the internal state machine processes the information and executes the requested operation. The processor can read any 8 bytes of data starting at any memory address. It can also write up to 8 bytes of data to any memory location. The device also has a write protection feature which prevents the data from being overwritten by unauthorized users.

Conclusion

The MT53D8DAHR-DC is a widely used memory device for smart card applications. It offers 8K bytes of EEPROM for storage and data management. It also offers up to 256-bit AES encryption and a write cycles endurance of up to 100,000. The device operates on a serial-controlled memory system and uses the two wire serial protocol to read and write data. It also has a write protection feature to ensure data security. All these features make the MT53D8DAHR-DC a reliable and secure memory device for smart card applications.

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