93C56BT-I/SN

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93C56BT-I/SN devices are part of the 93Cxx family, a family of high-performance electrically-erasable programmable read-only memory (EEPROM) produced by Microchip Technology Inc. It is a 128-bit EEPROM device, which provides secure non-volatile data storage solution for embedded processors. The 93C56BT-I/SN is used for applications such as automotive control systems, medical device software, code update support for battery-powered device, etc.

The 93C56BT-I/SN comes in an 8-pin ST (TSSOP) packaging and is organized as sixteen 8-bit words with a 128-bit data storage capacity. It provides users with 3-wire serial bus interface, comprising of Serial Data Input (SI), Serial Data Output (SO) and Chip Select (CS). It also has a Write Enable (WE) pin to perform write operations.

The working principle of 93C56BT-I/SN is based on the well-known NOR logic technology. The device has two address pins, A0 and A1, which can be used to select the 8-bit words for data manipulation. To access address port, the device needs to have proper voltage levels on the CS, SI and WE pins and the corresponding addresses set to the A0 and A1 pins. The addresses can be written and read serially with the write enable pin. For each write or read operation, 8 bits of data will be transferred from or to the device. The device can also be used for sequential access, where users can access the successive addresses according to the address set on the A0 and A1 pins.

93C56BT-I/SN device offers excellent write and read speed with the low operating current. It has three-level write protection, where the device can be locked using Hardware Protection (WE pin mode), Software Protection (Write Protect feature) and Multi-Level Software Protection (MultiWrite Programme feature). The device supports autonomous power down and low power consumption. It is also immune to latch-up and also offers flexible clock rate selection and low power consumption. This makes it more suitable for automotive and medical applications.

In summary, the 93C56BT-I/SN device is a versatile and secure EEPROM device, which provides an excellent solution for data storage for various embedded devices. It is mainly used in the automotive, medical and other applications needing reliable data storage. The device offers excellent write and read speed, low operating current, immunity to latch-up and multi-level write protection.

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