Microchip 24LC16BT-E/SN: A Deep Dive into its 16K I²C Serial EEPROM
The Microchip 24LC16BT-E/SN is a prominent member of the extensive family of serial EEPROM memory devices, designed for applications requiring reliable and non-volatile data storage with minimal pin count. This 16 Kbit EEPROM, organized as 8 blocks of 256 x 8 bits, stands out for its ease of integration and robust performance, making it a cornerstone component in countless electronic designs.
A key feature of this memory chip is its utilization of the I²C (Inter-Integrated Circuit) serial communication protocol. This two-wire interface, comprising a serial data line (SDA) and a serial clock line (SCL), drastically reduces the wiring needed between the memory and a microcontroller (MCU). This simplicity is invaluable for optimizing board space and simplifying design architecture. The device supports a 400 kHz clock frequency, ensuring adequate data transfer speeds for a wide array of applications, from consumer electronics to industrial systems.
The 24LC16BT-E/SN incorporates sophisticated memory management capabilities. It features hardware write-protection via a dedicated WP (Write-Protect) pin. When this pin is tied to VCC, the entire memory array becomes protected against unintended write operations, safeguarding critical data. Furthermore, the chip employs self-timed erase and write cycles, which offload the timing management from the host MCU, streamlining software development. Its endurance is rated for 1,000,000 erase/write cycles, and it boasts a data retention period of over 200 years, highlighting its exceptional reliability.
Packaged in the compact 8-lead SOIC (SN),
this device is ideally suited for space-constrained applications. Its operating voltage range of 1.7V to 5.5V makes it exceptionally versatile, capable of functioning in both modern low-power systems and legacy 5V designs. This wide voltage range is crucial for battery-powered devices where power efficiency is paramount.
In practical terms, the 24LC16BT-E/SN is commonly deployed to store system configuration parameters, calibration data, user settings, and event logs. You will find it inside everything from smart meters and medical devices to automotive subsystems and networking equipment.
In summary, the Microchip 24LC16BT-E/SN is a highly reliable and versatile 16K I²C Serial EEPROM. Its combination of a simple two-wire interface, robust data protection features, wide voltage operation, and a compact form factor solidifies its position as a go-to solution for designers seeking efficient and dependable non-volatile memory.
Keywords: I²C Interface, Serial EEPROM, Non-volatile Memory, Write Protection, Low-voltage Operation.
