24LCS21A-I/P
- Mfr.Part #
- 24LCS21A-I/P
- Manufacturer
- Microchip Technology
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC EEPROM 1KBIT I2C 400KHZ 8DIP
- Stock
- 33,948
- In Stock :
- 33,948
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- Manufacturer :
- Microchip Technology
- Product Category :
- Memory
- Memory Type :
- Non-Volatile
- Package :
- Tube
- Product Status :
- Active
- Terminal Position :
- Dual
- Power Supplies :
- 3/5V
- Memory Format :
- EEPROM
- Operating Supply Voltage :
- 2.5 V to 5.5 V
- Supply Voltage-Max (Vsup) :
- 5.5V
- Maximum Operating Temperature :
- + 85 C
- Organization :
- 128 x 8
- Number of Functions :
- 1
- Min Supply Voltage :
- 2.5 V
- Max Supply Voltage :
- 5.5 V
- HTS Code :
- 8542.32.00.51
- JESD-609 Code :
- e3
- Write Cycle Time - Word, Page :
- 10ms
- ECCN Code :
- EAR99
- RoHS :
- Compliant
- Width :
- 7.112mm
- Mounting Type :
- Through Hole
- Supply Voltage-Min (Vsup) :
- 2.5V
- Endurance :
- 1000000 Write/Erase Cycles
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Peak Reflow Temperature (Cel) :
- Not Applicable
- Pbfree Code :
- yes
- Number of Terminations :
- 8
- Brand :
- Microchip Technology
- Surface Mount :
- No
- Temperature Grade :
- Industrial
- Mounting Style :
- Through Hole
- Density :
- 1 kb
- Contact Plating :
- Tin
- Base Part Number :
- 24LCS21A
- RoHS Status :
- ROHS3 Compliant
- Number of Words :
- 128
- Subcategory :
- Memory and Data Storage
- Serial Bus Type :
- I2C
- Published :
- 2005
- Terminal Finish :
- Matte Tin (Sn)
- Memory Width :
- 8
- Data Retention :
- 200 Year
- Qualification Status :
- Not Qualified
- Interface Type :
- 2-Wire, I2C
- Factory Lead Time :
- 7 Weeks
- Data Retention Time-Min :
- 200
- Parallel/Serial :
- Serial
- Reach Compliance Code :
- Compliant
- Number of Pins :
- 8
- Write Protection :
- Hardware
- Supplier Device Package :
- 8-PDIP
- Packaging :
- Tube
- Radiation Hardening :
- No
- Operating Temperature :
- -40°C~85°C TA
- Write Cycle Time-Max (tWC) :
- 10ms
- Additional Feature :
- DATA RETENTION > 200 YEARS; 1000000 ERASE/WRITE CYCLES GUARANTEED
- Package Shape :
- RECTANGULAR
- Minimum Operating Temperature :
- - 40 C
- Memory Interface :
- I2C
- Voltage - Supply :
- 2.5V~5.5V
- Terminal Pitch :
- 2.54mm
- Memory IC Type :
- EEPROM
- Memory Organization :
- 128 x 8
- Standby Current-Max :
- 0.00003A
- Memory Density :
- 1024 bit
- JESD-30 Code :
- R-PDIP-T8
- Access Time :
- 900ns
- Frequency :
- 400 kHz
- Min Operating Temperature :
- -40 °C
- Supply Voltage :
- 3V
- Pin Count :
- 8
- Memory Size :
- 1Kb 128 x 8
- Product Category :
- EEPROM
- Max Frequency :
- 400 kHz
- Max Operating Temperature :
- 85 °C
- Product Type :
- EEPROM
- Interface :
- 2-Wire, I2C, Serial
- Nominal Supply Current :
- 3mA
- Operating Mode :
- SYNCHRONOUS
- Supply Current-Max :
- 0.003 mA
- Programming Voltage :
- 2.5 V to 5.5 V
- Mount :
- Through Hole
- Height :
- 4.953mm
- Operating Supply Current :
- 3 mA
- Terminal Form :
- THROUGH-HOLE
- Number of Terminals :
- 8
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- I2C Control Byte :
- 1010000R
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Base Product Number :
- 24LCS21A
- Series :
- --
- Length :
- 10.16mm
- Clock Frequency :
- 400kHz
- Lead Free :
- Lead Free
- Seated Height-Max :
- 5.334 mm
- Manufacturer :
- Microchip
- Datasheets
- 24LCS21A-I/P

Memory Microchip Technology 24LCS21A-I/P Overview
Introducing the Memory Microchip Technology 24LCS21A-I/P, a robust and reliable EEPROM (Electrically Erasable Programmable Read-Only Memory) offering from Microchip Technology that provides an efficient 1KBIT storage solution. Engineered for applications where data integrity and retention are paramount, the 24LCS21A-I/P operates smoothly within an I²C compatible 400kHz interface. Encased in a practical 8-DIP (Dual In-line Package), this IC EEPROM seamlessly integrates into various digital circuits, balancing performance and practicality. This product is an excellent choice for businesses seeking to integrate a dependable memory component into their systems, capitalizing on Microchip Technology's reputation for delivering high-quality, lasting electronic components.
24LCS21A-I/P Features
- I²C Compatible Interface, up to 400 kHz
- Low-Power CMOS Technology
- Organized as 128 x 8 bits
- Self-timed Erase and Write Cycles
- Hardware Write-Protect Pin
- Wide operating voltage range: 2.5V to 5.5V
- Industrial temperature range: -40°C to +85°C
- 8-pin DIP package for easy integration
24LCS21A-I/P Applications
- Consumer Electronics
This EEPROM can be used for configuration settings or user preferences storage in devices such as TVs, radios, and home appliances.
- Automotive Systems
Utilized in car infotainment systems to retain data such as audio settings or navigation favorites even after power-off.
- Industrial Control
Perfect for maintaining system parameters, calibration data, and state information across power cycles in industrial equipment.
- Medical Devices
Helps to store patient data or device configurations in various medical instruments, ensuring information persistency for accurate diagnosis and treatment.
- Communication Systems
Suitable for storing network configurations and device addresses in modems, routers, and other related equipment.
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