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24LC16B

MCHP24LC16B

Microchip Technology
Widely available 16-Kbit I2C EEPROM alternative when FRAM is not required but small nonvolatile storage is needed.
NRND113,884 in stock
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Overview

The 24LC16B is a 16-Kbit I2C serial EEPROM from Microchip Technology, organized as eight blocks of 256 x 8-bit memory. It operates over a wide voltage range of 2.5V to 5.5V and supports a 400 kHz clock frequency. This device is a standard solution for low-power non-volatile storage in systems requiring infrequent parameter updates.

Why Choose This Part

The 24LC16B features a low standby current of only 5uA and an active current of 3mA, making it suitable for battery-operated applications. It provides a reliable 1,000,000 erase/write cycle endurance and a fast 5ms write cycle time for page writes. Its wide voltage compatibility allows it to interface directly with both 3.3V and 5V logic systems.

Applications

Configuration Storage
Storing user settings, calibration constants, and device identification data that must persist through power cycles.
Event Logging
Recording system faults, error codes, or usage statistics in industrial and consumer devices.
Boot Initialization
Storing bootloader parameters or lookup tables for microcontrollers with limited internal non-volatile memory.

Key Specifications

Technology EEPROM
Access Time 900 ns
Memory Size 16Kbit
Memory Type Non-Volatile
Memory Format EEPROM
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Clock Frequency 400 kHz
Memory Interface I2C
Voltage - Supply 2.5V ~ 5.5V
Memory Organization 2K x 8
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package SOT-23-5
Write Cycle Time - Word, Page 5ms

Getting Started

Engineers can interface with the 24LC16B using any standard I2C peripheral on a microcontroller. Since the device utilizes 3 bits of the I2C control byte for block addressing, note that you cannot have more than one 24LC16B on the same I2C bus. Hardware implementation is straightforward, requiring only pull-up resistors on the SDA and SCL lines and a decoupling capacitor on the VCC pin.

Part of 24LCxx / AT24Cxx I2C EEPROM family » 24LC16B

24LC16B Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Stock
24LC16B (this part) SC-74A, SOT-753 113,884
24LC16B-I/P DIP-8 4,973
24LC16B-I/SN SOIC-8 3,322

Also Consider

AT24C16D Microchip Technology (Atmel) - A direct competitor providing similar 16-Kbit I2C EEPROM functionality with standard SOIC-8 packaging.

Categories

Memory & Storage > EEPROM