CAT24C21WI
- Mfr.Part #
- CAT24C21WI
- Manufacturer
- onsemi
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC EEPROM 1KBIT I2C 400KHZ 8SOIC
- Stock
- 24,222
- In Stock :
- 24,222
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- Manufacturer :
- onsemi
- Product Category :
- Memory
- Peak Reflow Temperature (Cel) :
- 260
- Pin Count :
- 8
- Memory Interface :
- I²C
- Package :
- Bulk
- ECCN Code :
- EAR99
- Standby Current-Max :
- 0.000001 A
- Supply Voltage-Max (Vsup) :
- 5.5 V
- Technology :
- EEPROM
- Memory Format :
- EEPROM
- Memory Size :
- 1Kbit
- Memory IC Type :
- EEPROM
- Serial Bus Type :
- I2C
- Qualification Status :
- Not Qualified
- Endurance :
- 1000000 Write/Erase Cycles
- Surface Mount :
- yes
- Memory Organization :
- 128 x 8
- JESD-609 Code :
- e3
- Number of Terminals :
- 8
- Parallel/Serial :
- Serial
- Subcategory :
- EEPROMs
- Manufacturer :
- ON Semiconductor
- Memory Type :
- Non-Volatile
- Product Status :
- Active
- Access Time :
- 1 μs
- Length :
- 4.9 mm
- Factory Lead Time :
- 1 Week
- Memory Width :
- 8
- Series :
- -
- Clock Frequency :
- 400 kHz
- Write Cycle Time-Max (tWC) :
- 10 ms
- Supply Current-Max :
- 0.002 mA
- Width :
- 3.9 mm
- Pbfree Code :
- yes
- Number of Words :
- 128 words
- Temperature Grade :
- Industrial
- Base Product Number :
- CAT24C21
- Data Retention Time-Min :
- 100
- Operating Mode :
- SYNCHRONOUS
- Package Shape :
- RECTANGULAR
- Seated Height-Max :
- 1.75 mm
- Terminal Position :
- Dual
- Voltage - Supply :
- 2.5V ~ 5.5V
- HTS Code :
- 8542.32.00.51
- Mounting Type :
- Surface Mount
- Power Supplies :
- 3/5 V
- JESD-30 Code :
- R-PDSO-G8
- Terminal Pitch :
- 1.27 mm
- Terminal Finish :
- Tin (Sn)
- Terminal Form :
- Gull wing
- Operating Temperature :
- -40°C ~ 85°C (TA)
- Supplier Device Package :
- 8-SOIC
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Number of Functions :
- 1
- Supply Voltage-Min (Vsup) :
- 2.5 V
- Memory Density :
- 1024 bit
- Write Cycle Time - Word, Page :
- 5ms
- I2C Control Byte :
- 1010XXXR
- Organization :
- 128X8
- Reach Compliance Code :
- Compliant
- Datasheets
- CAT24C21WI

Memory onsemi CAT24C21WI Overview
The Memory onsemi CAT24C21WI is a high-performance IC EEPROM designed for efficient data storage in a compact format. This EEPROM unit from onsemi offers 1Kbit of memory, with an I2C interface facilitating communication speeds up to 400kHz. Encased in an 8SOIC package, it ensures durability and ease of integration into various electronic assemblies. Ideal for applications requiring reliable and non-volatile memory storage without frequent updates, the CAT24C21WI stands out for its low-power consumption and stable operation, making it a preferred choice for manufacturers looking to enhance their systems while maintaining cost-effectiveness and operational efficiency.
CAT24C21WI Features
- 1Kbit of EEPROM memory allows for efficient data storage suitable for configuration and identification tasks.
- I2C interface supports up to 400kHz, enabling quick and reliable communication with microcontrollers and other IC devices.
- 8SOIC package offers a compact form factor that is easy to integrate into space-constrained applications.
- Low power consumption makes it an ideal choice for portable and battery-operated devices.
- Durable and reliable performance under a wide range of environmental conditions.
CAT24C21WI Applications
- Consumer Electronics: Utilized in settings such as personal electronics and home appliances for user configuration and preference memory.
- Automotive Systems: Serves as a robust solution for storing non-volatile data crucial for automotive control systems and configurations.
- Industrial Control: Ideal for use in factory settings where machines require small data banks for operational parameters and system diagnostics.
- Healthcare Devices: Applied in medical devices for storing calibration data and device configurations to ensure consistent performance.
- Telecommunications: Used in network devices for storing network configurations and service data critical for communication operations.
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