93C46BT-I/MS

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93C46BT-I/MS is a type of memory, also known as Serial Electrically and Erasable Programmable Read-Only Memory (EEPROM). It is a non-volatile memory, meaning that the data stored in it does not need power in order to be retained. It is often used in non-vital applications, such as the storage of access codes—where time-consuming storage and retrieval of the data may not be necessary.

The 93C46BT-I/MS is a medium-density EEPROM device with 256 bits of memory and a maximum clock frequency of 10 MHz. It has a pin count of 8, meaning it can be integrated into products where space is a concern, as it requires only 8 IO pins. The device supports access times of up to 100ns, making it suitable for high-performance applications.

The 93C46BT-I/MS is commonly used for storing persistent parameters or user preferences, or for recording data that needs to be shared among different electronic modules. It can also be used in data logging applications, as it can be written and read in a particular order without the possibility of error.

The device is organized in 8 separate byte locations, each byte being independently erasable and programmable. Programming is done using a serial interface, using a 3-pin serial port (SO, SI and SC) as an interface to the controller. It works on a write-once protocol. This means it can only be written once and not changed, unless the chip is erased. Chip erase can be achieved by driving the SC pin to a high voltage.

Once programmed, data is preserved even if power is lost, making the 93C46BT-I/MS ideal for applications that require the storage of constant data over time. The device features both a five-volt tolerant pin (labeled VCC) and a write protect pin (labeled WP), which allows the user to protect certain areas of memory from being written over.

The 93C46BT-I/MS is designed to be used in a wide range of applications, from automotive to consumer electronics and industrial automation. The device is used extensively in car radios, DVD players, remote controllers, alarm systems and digital calipers, for example.

In summary, the 93C46BT-I/MS is a reliable, medium density EEPROM that has a wide range of applications. It provides non-volatile memory with a fast access time, allowing for data to be stored and retrieved quickly and efficiently.

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