Manufacturer Part Number
24LC21A/SN
Manufacturer
Microchip Technology
Introduction
The 24LC21A/SN is a 1Kbit Electrically Erasable PROM memory chip using EEPROM technology, ideal for applications requiring data storage and retrieval without power.
Product Features and Performance
Non-Volatile EEPROM
Memory Size: 1Kbit
Memory Organization: 128 x 8
Memory Interface: I2C
Clock Frequency: 400 kHz
Write Cycle Time: 10ms
Access Time: 900 ns
Operating Temperature Range: 0°C ~ 70°C
Product Advantages
Retains data without power
Supports 400 kHz I2C communication speed
Fast access and write cycle times
Key Technical Parameters
Voltage Supply: 2.5V ~ 5.5V
Mounting Type: Surface Mount
Package / Case: 8-SOIC
Quality and Safety Features
Reliable data storage over the standard temperature range
Robust surface mount package
Compatibility
Compatible with any microcontroller supporting I2C interface
Application Areas
Consumer electronics
Data logging systems
Industrial controls
Medical devices
Product Lifecycle
Currently active product
Not nearing discontinuation
Replacements or upgrades available through the 24LC series
Several Key Reasons to Choose This Product
High reliability and long data retention
Broad voltage supply range (2.5V to 5.5V) for variable applications
Compact 8-SOIC package suitable for space-constrained applications
Easy integration with numerous microcontrollers via I2C
Active product support and availability of similar products for scalability