24AA04HT-I/ST

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24AA04HT-I/ST is a Serial 4K EEPROM from Microchip Technology. This device is used in memory applications to store small amount of data. It is typically used to store settings and configuration parameters in various applications from automotive to industrial and medical.

The 24AA04HT-I/ST is a 2-wire serial EEPROM that operates with a maximum voltage of 5.5V. It has an internal 4K bits memory capacity organized as 32 pages of 128 bytes each. It can be programmed with a single byte or page write operation and automatically address the pages. The device also features a 4Kbits write-protection area whose write may only be triggered by the write protect pin.

The 24AA04HT-I/ST works by employing a two-wire serial communication interface consisting of a serial data line (SDA) and a serial clock line (SCL). The Clock line (SCL) is used to synchronize data transfer while the Data line (SDA) is used to transfer data in and out of the device. A Start and Stop condition is generated from the Host to specify which data is being transmitted. The 24AA04HT-I/ST has an internal 8-bit address counter that automatically increments after the each byte transmission and it is reset to the starting address when a Start condition is detected.

The 24AA04HT-I/ST is accessed and programmed by software, hosted by a microcontroller or a computer interface. All the operations to access and program the 24AA04HT-I/ST are executed from the host via a sequence of command bytes, and data transfers. The 24AA04HT-I/ST supports the standard protocol I2C (Inter-Integrated Circuit), which means that the device can be operated and programmed independently, without any additional hardware.

In summary, the 24AA04HT-I/ST is a compact and reliable EEPROM used in numerous electronic applications to store small amounts of data. It is easy to program and access, making it an ideal solution for memory applications. It is fast, consumes low power and allows for multiple write and read operations.

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