AT24C256C-SSHL-T Integrated Circuits (ICs)

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The AT24C256C-SSHL-T is a product of Microchip Technology, used in memory applications. It is a 2-Wire Serial EEPROM memory, available in 8-pin PDIP, SOIC, and TSSOP packages. The device is electrically erasable and provides a range of features, such as 256K bits of EEPROM memory and an extended Industrial Temperature Range.

Application Fields

The AT24C256C-SSHL-T is a Serial EEPROM device, used for applications such as parameter storage and non-volatile storage. It can be used in a variety of applications where non-volatile memory is required, such as network control devices, telecom switches and routers, Internet of Things (IoT) devices, and many more. It can also be used in automotive, industrial and medical applications, where reliable operation in extreme temperatures is required.

Working Principle

The AT24C256C-SSHL-T Serial EEPROM works on the I²C bus protocol, which allows the device to interface with Microcontrollers. It has two address pins, A0 and A1, which can be set to either 0 or 1, allowing up to four separate devices to be addressed on the same bus. The device has an eight-bit address size, which allows it to address up to 256K bits (32K bytes) of memory. The device has an up to 2MHz I²C bus speed, with additional features such as Endurance and Data Retention present. The device has a Self-timed Write Cycle (Schmitt-trigger input filters on SDA and SCL pins), which allows the device to protect its data from corruption.

The AT24C256C-SSHL-T Serial EEPROMs can be controlled through various registers, such as WEN (Write Enable), OEN (Write Disable), DIR (Data In Ready), and DAT (Data Out Ready), for various functions. To write data to the device, first the WEN register must be enabled, then the write command must be sent, followed by the address. Then the data to be written must be sent, and the write cycle should be ended by setting the OEN (Write Disable) register. To read data, the device first must send the address of the desired register, followed by the read command, and then the data will be sent.

The AT24C256C-SSHL-T Serial EEPROMs are commercially available, and they offer a reliable, low-cost solution for memory applications. These devices can be used in a variety of applications, where data retention and reliable operation in extreme temperatures is required.

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