24LC21/SN
- Mfr.Part #
- 24LC21/SN
- Manufacturer
- Microchip Technology
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC EEPROM 1KBIT I2C 400KHZ 8SOIC
- Stock
- 8
- In Stock :
- 8
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- Manufacturer :
- Microchip Technology
- Product Category :
- Memory
- Endurance :
- 1000000 Write/Erase Cycles
- Supplier Device Package :
- 8-SOIC
- Number of Terminals :
- 8
- Height Seated (Max) :
- 1.75mm
- Lead Free :
- Lead Free
- JESD-30 Code :
- R-PDSO-G8
- Product Category :
- EEPROM
- Mounting Style :
- SMD/SMT
- Maximum Operating Temperature :
- + 70 C
- Subcategory :
- Memory and Data Storage
- Terminal Position :
- Dual
- Memory IC Type :
- EEPROM
- Packaging :
- Tube
- Package :
- Tube
- Operating Supply Current :
- 3 mA
- Series :
- --
- RoHS :
- Details
- Memory Size :
- 1Kb 128 x 8
- Density :
- 1 kb
- Pin Count :
- 8
- Frequency :
- 0.4(MHz)
- Product Status :
- Active
- Height :
- 1.25 mm (Min)
- I2C Control Byte :
- 1010XXXR
- Nominal Supply Current :
- 3mA
- Memory Format :
- EEPROM
- Package Shape :
- RECTANGULAR
- Package Type :
- SOIC N
- Voltage - Supply :
- 2.5V~5.5V
- Operating Temperature :
- 0°C~70°C TA
- Parallel/Serial :
- Serial
- Write Cycle Time-Max (tWC) :
- 10ms
- Supply Voltage-Min (Vsup) :
- 2.5V
- Operating Supply Voltage :
- 2.5 V to 5.5 V
- Width :
- 3.91mm
- Brand :
- Microchip Technology
- REACH SVHC :
- No SVHC
- Memory Interface :
- I2C
- ECCN Code :
- EAR99
- Interface Type :
- Serial (I2C)
- Access Time :
- 900ns
- Number of Functions :
- 1
- JESD-609 Code :
- e3
- MSL :
- MSL 1 - Unlimited
- Operating Temperature (Max) :
- 70C
- Factory Lead Time :
- 6 Weeks
- Write Cycle Time - Word, Page :
- 10ms
- Product Type :
- EEPROM
- Supply Current-Max :
- 0.003 mA
- Serial Bus Type :
- I2C
- Supply Current :
- 3(mA)
- Pbfree Code :
- yes
- Operating Supply Voltage (Min) :
- 2.5(V)
- Temperature Grade :
- COMMERCIAL
- Operating Temperature (Min) :
- 0C
- Write Protection :
- yes
- Base Product Number :
- 24LC21
- Published :
- 2004
- Clock Frequency :
- 400kHz
- Additional Feature :
- 2-WIRE SERIAL INTERFACE; DATA RETENTION > 200 YEARS; 1000000 ERASE/WRITE CYCLES GUARANTEED
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- HTS Code :
- 8542.32.00.51
- Data Retention Time-Min :
- 200
- Length :
- 4.9mm
- Radiation Hardening :
- No
- Operating Mode :
- SYNCHRONOUS
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Mounting :
- Surface Mount
- Operating Temp Range :
- 0C to 70C
- Operating Supply Voltage (Max) :
- 5.5(V)
- Terminal Form :
- Gull wing
- Data Retention :
- 200
- Organization :
- 128X8
- Supply Voltage-Max (Vsup) :
- 5.5V
- Memory Density :
- 1
- Number of Terminations :
- 8
- Manufacturer :
- Microchip
- Programmable :
- yes
- Minimum Operating Temperature :
- 0 C
- Access Time (Max) :
- 900(ns)
- Standby Current-Max :
- 0.00003A
- Seated Height-Max :
- 1.75 mm
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Memory Organization :
- 128 x 8
- Peak Reflow Temperature (Cel) :
- 260
- Operating Supply Voltage (Typ) :
- 3.3/5(V)
- Number of Pins :
- 8
- Base Part Number :
- 24LC21
- Reach Compliance Code :
- Compliant
- Qualification Status :
- Not Qualified
- RoHS Status :
- ROHS3 Compliant
- Terminal Pitch :
- 1.27mm
- Memory Width :
- 8
- Mounting Type :
- Surface Mount
- Number of Words :
- 128 words
- Memory Type :
- Non-Volatile
- Supply Voltage :
- 3V
- Interface :
- I2C, Serial
- Operating Temperature Classification :
- COMMERCIAL
- Power Supplies :
- 3/5V
- Surface Mount :
- yes
- Programming Voltage :
- 2.5 TO 5.5
- Rad Hardened :
- No
- Interfaces :
- Serial (I2C)
- Terminal Finish :
- Matte Tin (Sn)
- Datasheets
- 24LC21/SN
24LC21/SN Documents

Memory Microchip Technology 24LC21/SN Overview
Introducing the cutting-edge Memory Microchip Technology 24LC21/SN, a high-performance IC EEPROM designed to meet the demanding requirements of modern electronic devices. This innovative product combines advanced EEPROM technology with Microchip's renowned reliability and quality standards, ensuring optimal performance and durability in various applications.
With a capacity of 1KBIT and utilizing the I2C communication protocol at a blazing-fast speed of 400KHz, the 24LC21/SN provides seamless integration and efficient data storage solutions for a wide range of electronic systems.
24LC21/SN Features
- 1KBIT EEPROM capacity
- I2C interface for easy integration
- Operating frequency of 400KHz
- Compact 8SOIC package
- Low power consumption
- Extended temperature range for versatile applications
- Robust and reliable performance
24LC21/SN Applications
- Consumer Electronics: The 24LC21/SN is ideal for storing configuration data, user settings, and other critical information in smart home devices, wearable gadgets, and multimedia players.
- Industrial Automation: In industrial control systems and automation equipment, this EEPROM serves as a vital component for storing calibration data, program parameters, and system configurations.
- Medical Devices: With its compact size and low power consumption, the 24LC21/SN is well-suited for medical instruments and diagnostic devices, providing reliable storage for patient data, sensor readings, and device settings.
- Automotive Electronics: Automotive applications benefit from the robustness and temperature tolerance of the 24LC21/SN, using it for storing vehicle parameters, firmware updates, and event logs in onboard control units and infotainment systems.
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