24LC21A/SN
- Mfr.Part #
- 24LC21A/SN
- Manufacturer
- Microchip Technology
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC EEPROM 1KBIT I2C 400KHZ 8SOIC
- Stock
- 689
- In Stock :
- 689
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- Manufacturer :
- Microchip Technology
- Product Category :
- Memory
- Serial Bus Type :
- I2C
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Length :
- 4.9mm
- Access Time (Max) :
- 900(ns)
- Minimum Operating Temperature :
- 0 C
- Supplier Device Package :
- 8-SOIC
- Memory Width :
- 8
- Package Type :
- SOIC N
- Peak Reflow Temperature (Cel) :
- 260
- Interface :
- I2C, Serial
- Access Time :
- 900ns
- Standby Current-Max :
- 0.00003A
- Package Shape :
- RECTANGULAR
- Interfaces :
- Serial (I2C)
- Operating Temperature (Max) :
- 70C
- Series :
- --
- Rad Hardened :
- No
- HTS Code :
- 8542.32.00.51
- Reach Compliance Code :
- Compliant
- Base Part Number :
- 24LC21A
- JESD-609 Code :
- e3
- Endurance :
- 1000000 Write/Erase Cycles
- Data Retention :
- 200
- Operating Temperature :
- 0°C~70°C TA
- Terminal Form :
- Gull wing
- Power Supplies :
- 3/5V
- Operating Temp Range :
- 0C to 70C
- Lead Free :
- Lead Free
- Number of Terminals :
- 8
- Subcategory :
- Memory and Data Storage
- Brand :
- Microchip Technology
- Output Characteristics :
- OPEN-DRAIN
- Operating Supply Voltage (Min) :
- 2.5(V)
- Terminal Position :
- Dual
- Memory Organization :
- 128 x 8
- Mounting Type :
- Surface Mount
- Supply Current-Max :
- 0.003 mA
- Operating Temperature Classification :
- COMMERCIAL
- Mount :
- Surface Mount
- Mounting Style :
- SMD/SMT
- Width :
- 3.9mm
- Product Category :
- EEPROM
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Memory Density :
- 1
- Density :
- 1 kb
- Seated Height-Max :
- 1.75 mm
- Operating Mode :
- SYNCHRONOUS
- ECCN Code :
- EAR99
- Voltage - Supply :
- 2.5V~5.5V
- Organization :
- 128X8
- Mounting :
- Surface Mount
- Memory Size :
- 1Kb 128 x 8
- Product Type :
- EEPROM
- Pbfree Code :
- yes
- I2C Control Byte :
- 1010000R
- Packaging :
- Tube
- Terminal Finish :
- Matte Tin (Sn)
- Programmable :
- yes
- Package :
- Tube
- Operating Temperature (Min) :
- 0C
- Nominal Supply Current :
- 3mA
- Surface Mount :
- yes
- Write Protection :
- yes
- Supply Voltage :
- 3V
- Height Seated (Max) :
- 1.75mm
- Factory Lead Time :
- 6 Weeks
- Number of Functions :
- 1
- Pin Count :
- 8
- Frequency :
- 0.4(MHz)
- Memory Type :
- Non-Volatile
- Write Cycle Time-Max (tWC) :
- 10ms
- Parallel/Serial :
- Serial
- Interface Type :
- Serial (I2C)
- Supply Voltage-Max (Vsup) :
- 5.5V
- Radiation Hardening :
- No
- Programming Voltage :
- 2.5 TO 5.5
- Clock Frequency :
- 400kHz
- Memory Interface :
- I2C
- RoHS Status :
- ROHS3 Compliant
- Qualification Status :
- Not Qualified
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- RoHS :
- Details
- Supply Voltage-Min (Vsup) :
- 2.5V
- Data Retention Time-Min :
- 200
- Operating Supply Current :
- 3 mA
- Operating Supply Voltage :
- 2.5 V to 5.5 V
- Operating Supply Voltage (Max) :
- 5.5(V)
- Temperature Grade :
- COMMERCIAL
- Contact Plating :
- Tin
- Supply Current :
- 3(mA)
- Number of Pins :
- 8
- Maximum Operating Temperature :
- + 70 C
- Number of Terminations :
- 8
- Manufacturer :
- Microchip
- Product Status :
- Active
- Base Product Number :
- 24LC21
- Terminal Pitch :
- 1.27mm
- Write Cycle Time - Word, Page :
- 10ms
- Number of Words :
- 128 words
- Memory Format :
- EEPROM
- JESD-30 Code :
- R-PDSO-G8
- Height :
- 1.25 mm (Min)
- Operating Supply Voltage (Typ) :
- 3.3/5(V)
- Memory IC Type :
- EEPROM
- Datasheets
- 24LC21A/SN

Memory Microchip Technology 24LC21A/SN Overview
Introducing the 24LC21A/SN from Microchip Technology, a cutting-edge IC EEPROM designed to meet the demanding requirements of modern electronic systems. This 1KBIT I2C device operates at a blazing-fast speed of 400KHZ, ensuring swift data transfer and seamless integration into your applications. With its compact 8SOIC package, this EEPROM offers space-saving efficiency without compromising on performance.
24LC21A/SN Features
- 1KBIT capacity for storing critical data
- I2C interface for easy communication with other components
- High-speed operation at 400KHZ for rapid data transfer
- Compact 8SOIC package for space-efficient integration
- Robust design for reliable performance in diverse environments
24LC21A/SN Applications
- Industrial Automation: Implement data storage in programmable logic controllers (PLCs) and industrial control systems to store configuration parameters and runtime data, ensuring seamless operation and quick system recovery.
- Consumer Electronics: Integrate into smart home devices, wearable gadgets, and IoT sensors for storing user preferences, device settings, and activity logs, enabling personalized experiences and efficient data management.
- Medical Devices: Utilize for storing patient information, calibration data, and event logs in medical instruments and monitoring devices, ensuring accurate data management, regulatory compliance, and patient safety.
- Automotive Systems: Incorporate into automotive electronics such as engine control modules (ECMs) and body control modules (BCMs) for storing vehicle configuration data, fault codes, and diagnostic information, facilitating effective vehicle diagnostics and maintenance.
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