24LC21-I/P
- Mfr.Part #
- 24LC21-I/P
- Manufacturer
- Microchip Technology
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC EEPROM 1KBIT I2C 400KHZ 8DIP
- Stock
- 37,448
- In Stock :
- 37,448
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Microchip Technology
- Product Category :
- Memory
- Nominal Supply Current :
- 3mA
- Data Retention Time-Min :
- 200
- Density :
- 1 kb
- Package Shape :
- RECTANGULAR
- Pin Count :
- 8
- Terminal Pitch :
- 2.54mm
- Memory Width :
- 8
- Programming Voltage :
- 2.5 V to 5.5 V
- Write Cycle Time - Word, Page :
- 10ms
- Endurance :
- 1000000 Write/Erase Cycles
- I2C Control Byte :
- 1010XXXR
- Additional Feature :
- 2-WIRE SERIAL INTERFACE; DATA RETENTION > 200 YEARS; 1000000 ERASE/WRITE CYCLES GUARANTEED
- Memory Organization :
- 128 x 8
- JESD-30 Code :
- R-PDIP-T8
- Serial Bus Type :
- I2C
- Supply Voltage :
- 3V
- Operating Mode :
- SYNCHRONOUS
- Memory Size :
- 1Kb 128 x 8
- Memory Density :
- 1024 bit
- Operating Supply Voltage :
- 2.5 V to 5.5 V
- Output Characteristics :
- OPEN-DRAIN
- Packaging :
- Tube
- Width :
- 7.62mm
- Organization :
- 128 x 8
- HTS Code :
- 8542.32.00.51
- Height :
- 3.3 mm
- Number of Words :
- 128 words
- Operating Supply Current :
- 3 mA
- Number of Terminals :
- 8
- Brand :
- Microchip Technology
- Access Time :
- 900ns
- Interface Type :
- 2-Wire, I2C
- Series :
- --
- Interface :
- I2C, Serial
- Reach Compliance Code :
- Compliant
- Mount :
- Through Hole
- Mounting Type :
- Through Hole
- Parallel/Serial :
- Serial
- Supply Voltage-Min (Vsup) :
- 2.5V
- Write Cycle Time-Max (tWC) :
- 10ms
- Supply Voltage-Max (Vsup) :
- 5.5V
- Power Supplies :
- 3/5V
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Manufacturer :
- Microchip
- Qualification Status :
- Not Qualified
- JESD-609 Code :
- e3
- Memory IC Type :
- EEPROM
- Number of Functions :
- 1
- Base Product Number :
- 24LC21
- Number of Pins :
- 8
- RoHS :
- Details
- Published :
- 2004
- Length :
- 9.46mm
- Data Retention :
- 200 Year
- Number of Terminations :
- 8
- Supply Current-Max :
- 0.003 mA
- Terminal Finish :
- Matte Tin (Sn)
- Seated Height-Max :
- 4.32 mm
- Product Status :
- Active
- Terminal Form :
- THROUGH-HOLE
- Memory Format :
- EEPROM
- Radiation Hardening :
- No
- Temperature Grade :
- Industrial
- Voltage - Supply :
- 2.5V~5.5V
- Surface Mount :
- No
- Pbfree Code :
- yes
- Terminal Position :
- Dual
- Operating Temperature :
- -40°C~85°C TA
- Mounting Style :
- Through Hole
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Product Category :
- EEPROM
- ECCN Code :
- EAR99
- Standby Current-Max :
- 0.00003A
- Base Part Number :
- 24LC21
- Subcategory :
- Memory and Data Storage
- Clock Frequency :
- 400kHz
- Memory Interface :
- I2C
- Product Type :
- EEPROM
- Minimum Operating Temperature :
- - 40 C
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Memory Type :
- Non-Volatile
- Maximum Operating Temperature :
- + 85 C
- Supplier Device Package :
- 8-PDIP
- Lead Free :
- Lead Free
- Package :
- Tube
- Height Seated (Max) :
- 4.32mm
- RoHS Status :
- ROHS3 Compliant
- Factory Lead Time :
- 7 Weeks
- Datasheets
- 24LC21-I/P

Memory Microchip Technology 24LC21-I/P Overview
The Memory Microchip Technology 24LC21-I/P is a compact, high-performance EEPROM (Electrically Erasable Programmable Read-Only Memory) component that offers 1Kbit of storage, operating efficiently via an I2C compatible interface at speeds up to 400 kHz. Designed to meet the rigorous demands of sophisticated electronic environments, this IC (Integrated Circuit) from Microchip Technology is housed in an 8-pin DIP (Dual In-line Package), ensuring robust physical and operational durability. The 24LC21-I/P is ideal for applications requiring data storage that must survive power cycles and for devices where space is at a premium. Its low-power consumption and high-speed data transfer capabilities make it a superb choice for developing advanced, reliable, and scalable electronic systems.
24LC21-I/P Features
This EEPROM IC offers several features that enhance its utility in various applications:
- 1Kbit of storage capacity
- I2C serial interface for simple, effective communication
- High-speed operation at 400 kHz
- Low-power consumption, enhancing device efficiency
- Robust 8-pin DIP packaging for easy integration into a wide range of applications
24LC21-I/P Applications
- Consumer Electronics: Used in televisions, audio systems, and home appliances to store user settings and preferences, ensuring functionality remains consistent after power cycling.
- Automotive: Integrated in automotive modules for storing configurations and user preferences, crucial for custom settings retention across vehicle start-ups.
- Industrial Control Systems: Employs in programmable logic controllers (PLCs) for storing operational scripts and automation sequences, vital for the reliability and repeatability of industrial processes.
- Medical Devices: Utilized in medical monitoring equipment to store critical calibration data and patient-specific settings, ensuring accuracy and personalization in treatments.
- Telecommunications: Deployed in communication equipment for firmware updates and configuration settings storage, essential for maintaining service quality and system upgrades.
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.
















