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
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Microchip Technology
- Product Category :
- Memory
- Interface Type :
- Serial (I2C)
- Memory Format :
- EEPROM
- Organization :
- 128X8
- Mounting Type :
- Surface Mount
- Pin Count :
- 8
- Seated Height-Max :
- 1.75 mm
- Base Product Number :
- 24LC21
- Endurance :
- 1000000 Write/Erase Cycles
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Package Shape :
- RECTANGULAR
- Memory IC Type :
- EEPROM
- Memory Density :
- 1
- Operating Temp Range :
- 0C to 70C
- Operating Supply Voltage :
- 2.5 V to 5.5 V
- Terminal Form :
- Gull wing
- Reach Compliance Code :
- Compliant
- Programming Voltage :
- 2.5 TO 5.5
- RoHS :
- Details
- Number of Functions :
- 1
- Number of Words :
- 128 words
- Write Protection :
- yes
- Number of Pins :
- 8
- Subcategory :
- Memory and Data Storage
- Clock Frequency :
- 400kHz
- Operating Mode :
- SYNCHRONOUS
- JESD-609 Code :
- e3
- Supply Voltage :
- 3V
- Series :
- --
- Package Type :
- SOIC N
- Interfaces :
- Serial (I2C)
- Brand :
- Microchip Technology
- Operating Temperature :
- 0°C~70°C TA
- Qualification Status :
- Not Qualified
- Standby Current-Max :
- 0.00003A
- Mount :
- Surface Mount
- Mounting :
- Surface Mount
- Supply Current-Max :
- 0.003 mA
- Output Characteristics :
- OPEN-DRAIN
- Height Seated (Max) :
- 1.75mm
- Pbfree Code :
- yes
- Data Retention :
- 200
- Package :
- Tube
- Memory Width :
- 8
- Memory Type :
- Non-Volatile
- Terminal Pitch :
- 1.27mm
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Length :
- 4.9mm
- Operating Supply Current :
- 3 mA
- Number of Terminations :
- 8
- Operating Supply Voltage (Typ) :
- 3.3/5(V)
- Product Status :
- Active
- Operating Supply Voltage (Max) :
- 5.5(V)
- RoHS Status :
- ROHS3 Compliant
- Product Category :
- EEPROM
- Memory Organization :
- 128 x 8
- Packaging :
- Tube
- Peak Reflow Temperature (Cel) :
- 260
- Operating Temperature (Min) :
- 0C
- Supply Voltage-Max (Vsup) :
- 5.5V
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Temperature Grade :
- COMMERCIAL
- Number of Terminals :
- 8
- Radiation Hardening :
- No
- Write Cycle Time - Word, Page :
- 10ms
- I2C Control Byte :
- 1010000R
- Programmable :
- yes
- Access Time (Max) :
- 900(ns)
- Data Retention Time-Min :
- 200
- Voltage - Supply :
- 2.5V~5.5V
- Power Supplies :
- 3/5V
- HTS Code :
- 8542.32.00.51
- Terminal Finish :
- Matte Tin (Sn)
- Density :
- 1 kb
- Terminal Position :
- Dual
- Write Cycle Time-Max (tWC) :
- 10ms
- Manufacturer :
- Microchip
- Parallel/Serial :
- Serial
- Mounting Style :
- SMD/SMT
- Maximum Operating Temperature :
- + 70 C
- Rad Hardened :
- No
- Access Time :
- 900ns
- Lead Free :
- Lead Free
- Memory Size :
- 1Kb 128 x 8
- Operating Temperature Classification :
- COMMERCIAL
- Height :
- 1.25 mm (Min)
- Supply Voltage-Min (Vsup) :
- 2.5V
- Factory Lead Time :
- 6 Weeks
- Minimum Operating Temperature :
- 0 C
- Contact Plating :
- Tin
- Surface Mount :
- yes
- ECCN Code :
- EAR99
- Operating Supply Voltage (Min) :
- 2.5(V)
- Nominal Supply Current :
- 3mA
- Operating Temperature (Max) :
- 70C
- Memory Interface :
- I2C
- Frequency :
- 0.4(MHz)
- Width :
- 3.9mm
- Base Part Number :
- 24LC21A
- Supply Current :
- 3(mA)
- Product Type :
- EEPROM
- Supplier Device Package :
- 8-SOIC
- JESD-30 Code :
- R-PDSO-G8
- Interface :
- I2C, Serial
- Serial Bus Type :
- I2C
- 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.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















