24LC04B-E/SN Datasheet/PDFThe I2C-bus 24LC04B-E/SN is a four-kilobit serial Electrically Erasable Programmable Read-Only Memory (EEPROM) with a 2-wire interface for easy serial communication with other microprocessor devices. The 24LC04B-E/SN is one of the many I2C-bus serial EEPROMs offered by Microchip.
The I2C-bus 24LC04B-E/SN is available in four package options (8-pin SOIC, 8-pin PDIP, 8-pad MLP and 8-pad UDFN) and this market is easily solderable and provides the end-designer flexibility to choose the right package for their design. The 24LC04B-E/SN is a low-power memory device that can be operated from a single power supply over a wide operating temperature range.
Application Field
The 24LC04B-E/SN is capable of operating from a single power supply and providing low standby power dissipation. It is capable of storing 4 Kbits of data that can be either written to or read from the memory. Different types of applications include, but are not limited to, usage in portable devices or for the purpose of data storage.
The 24LC04B-E/SN, because of its small size and data storage properties, is very useful in applications like smart cards, consumer appliances, navigation systems, and wireless communication products, among others. It is also applicable for usage for other devices for the purpose of data storage such as cameras, projectors, audio products, watches, cellphone handsets and even in toys.
Working Principle
The basic working principle of the 24LC04B-E/SN is fairly simple. This memory device utilizes the I2C-bus serial communication protocol. It has a two-wire interface that allows it to communicate easily with other microprocessor devices. The bus master is responsible for controlling the flow of data between the connected I2C devices. The read and write operations are controlled by the master.
The 24LC04B-E/SN consists of 128 pages of 8 bytes each. The data is written in the 8-byte page, and a single-byte write can be performed within the page boundary. Data can be randomly addressed within the page boundary, but can only be written within each page boundary; any write operation performed on the page boundary will overwrite the page.
The 24LC04B-E/SN can also be operated from 1.8V to 5.5V and can withstand an absolute maximum voltage of 6V. It has a maximum write pulse duration of 10 ms and has a write time of 3 ms. It also has a typical write cycle time of 5 ms. The 24LC04B-E/SN has a typical standby current at 1 MHz of < 10uA, which is considerably lower than the 400uA of other, similar devices.
Conclusion
The 24LC04B-E/SN is a very efficient and versatile memory device that can be used for a variety of applications. Its small size, low power dissipation and fast write time make it an ideal choice for portable and wireless communication applications. Its low standby current and wide operating voltage range further strengthens its usability in the market. The I2C-bus serial communication protocol makes it an ideal choice for devices requiring an easy two-wire interface for data transfer and storage.