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