CAT24C21LI
- Mfr.Part #
- CAT24C21LI
- Manufacturer
- Catalyst Semiconductor Inc.
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC EEPROM 1KBIT I2C 400KHZ 8DIP
- Stock
- 1,025
- In Stock :
- 1,025
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- Manufacturer :
- Catalyst Semiconductor Inc.
- Product Category :
- Memory
- Temperature Grade :
- Industrial
- Organization :
- 128X8
- JESD-609 Code :
- e3
- Operating Temperature :
- -40°C ~ 85°C (TA)
- Manufacturer :
- ON Semiconductor
- Number of Terminals :
- 8
- HTS Code :
- 8542.32.00.51
- Voltage - Supply :
- 2.5V ~ 5.5V
- Series :
- -
- Base Product Number :
- CAT24C21
- Memory Type :
- Non-Volatile
- Standby Current-Max :
- 0.000001 A
- Memory Interface :
- I²C
- Power Supplies :
- 3/5 V
- Product Status :
- Active
- Pbfree Code :
- yes
- Data Retention Time-Min :
- 100
- Factory Lead Time :
- 1 Week
- Terminal Position :
- Dual
- Reach Compliance Code :
- Compliant
- Supply Current-Max :
- 0.002 mA
- Memory Organization :
- 128 x 8
- Width :
- 7.62 mm
- Seated Height-Max :
- 5.33 mm
- Number of Words :
- 128 words
- Memory Format :
- EEPROM
- Endurance :
- 1000000 Write/Erase Cycles
- Terminal Finish :
- Tin (Sn)
- Write Cycle Time-Max (tWC) :
- 5 ms
- Supply Voltage-Min (Vsup) :
- 2.5 V
- Package :
- Bulk
- Technology :
- EEPROM
- Number of Functions :
- 1
- Supply Voltage-Max (Vsup) :
- 5.5 V
- Memory IC Type :
- EEPROM
- Qualification Status :
- Not Qualified
- Parallel/Serial :
- Serial
- JESD-30 Code :
- R-PDIP-T8
- Memory Size :
- 1Kbit
- ECCN Code :
- EAR99
- Surface Mount :
- No
- I2C Control Byte :
- 1010XXXR
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Length :
- 9.27 mm
- Mounting Type :
- Through Hole
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Memory Width :
- 8
- Memory Density :
- 1024 bit
- Pin Count :
- 8
- Serial Bus Type :
- I2C
- Supplier Device Package :
- 8-PDIP
- Terminal Pitch :
- 2.54 mm
- Write Cycle Time - Word, Page :
- 5ms
- Operating Mode :
- SYNCHRONOUS
- Terminal Form :
- THROUGH-HOLE
- Clock Frequency :
- 400 kHz
- Package Shape :
- RECTANGULAR
- Subcategory :
- EEPROMs
- Access Time :
- 1 μs
- Datasheets
- CAT24C21LI

Memory Catalyst Semiconductor Inc. CAT24C21LI Overview
The CAT24C21LI from Catalyst Semiconductor Inc. represents a high-performance, reliable solution in the realm of memory technology, specifically in the EEPROM (Electrically Erasable Programmable Read-Only Memory) category. This component features a modest 1Kbit capacity but excels in efficiency and durability, making it an ideal choice for sophisticated yet space-conscious applications. The use of the I2C interface facilitates easy integration into existing architectures, offering up to 400kHz communication speed, all packaged neatly within an 8DIP format. This EEPROM device is designed to meet the rigorous demands of modern electronic systems, ensuring data integrity and easy programmability.
CAT24C21LI Features
- Memory Capacity: 1Kbit of EEPROM storage for robust data management without occupying significant board space.
- Interface: I2C serial interface, supporting up to 400kHz for rapid data transfer and seamless integration.
- Package Type: Available in an 8-pin DIP (Dual In-line Package), ideal for through-hole mounting and easy handling in manufacturing.
- Operating Voltage: Compatible with a variety of systems through its flexible voltage range, ensuring reliable operation across different voltages.
- Endurance: High reliability and endurance with extensive write cycles, suitable for applications requiring frequent data updates.
CAT24C21LI Applications
- Consumer Electronics: Used in devices such as smart home controllers and personal gadgets to store user settings and preferences, enhancing user experience through customizability.
- Industrial Automation: Implements configuration storage for machinery and equipment settings in harsh environments, ensuring operational consistency and reliability.
- Automotive Systems: Ideal for storing non-volatile data critical to automotive applications, such as user-defined settings in infotainment systems and digital dashboards.
- Healthcare Devices: Utilized in medical monitoring systems to record critical patient data and device calibration information, ensuring accuracy and dependability in medical care.
- Telecommunication Infrastructure: Provides reliable data storage for network equipment configurations, aiding in the stability and optimization of communication services.
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