24LC512-I/SM More Semiconductors - ICs by Microchip Technology

512Kb I2C compatible 2-wire Serial EEPROM

Status: Active
Series: 24LC512
RoHS: Compliant
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The Microchip Technology Inc. 24LC512  is a 512Kb (64K x 8) Serial Electrically Erasable PROM (EEPROM), capable of operation across a broad voltage range (2.5V to 5.5V). It has been developed for advanced, low-power applications such as personal communications and data acquisition. This device also has a page write capability of up to 128 bytes of data. This device is capable of both random and sequential reads up to the 512K boundary. Functional address lines allow up to eight devices on the same bus, for up to 4 Mbit address space. This device is available in the standard 8-pin plastic DIP, SOIJ and DFN packages.
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Logo for Chip One Stop Chip One Stop
1,072 units
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790 units
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64K x 8 (512 Kbit)
128-Byte Page Write Buffer
Page Write Time 5 ms Max.
Hardware Write-Protect Pin
Factory Programming Available
Operating voltage 1.7V to 5.5V
Read current 400 uA, max.
Standby current 1 uA, max.
Cascadable up to Eight Devices
100 kHz and 400 kHz Clock Compatible
Pb-Free and RoHS Compliant


Density (Organization) 512K bits (x8)
Operating Voltage Min. (V) 2.5
Oper Voltage Max (V) 5.5
Max. Clock Freq. 400 kHz
Page Size (bytes) 128
Write Protected True
Write Protect Scheme Full Array
Endurance 1,000,000
Data Retention (Years) 200
Battery Backup False
Pins | Packaging 8 | SOIJ
Temp Range -40C to +85C
Packing Media Tube (90)


Application Notes
AN974 - Interfacing I2C™ Serial EEPROMs to PICmicro® Microcontrollers
AN976 - Using the MSSP Module to Interface I2C? Serial EEPROMs with PIC16 Devices
AN979 - Interfacing I2C™ Serial EEPROMs to PIC18 Devices
AN982 - Interfacing I2C Serial EEPROMs to PIC10 and PIC12 Devices
AN989 - Using the MSSP Module to Interface I2C? Serial EEPROMs with PIC18 Devices
AN991 - Using the C18 Compiler and the MSSP to Interface I2C™ EEPROMs with PIC18 Devices
AN997 - Using the C18 Compiler to Interface I2C? Serial EEPROMs with PIC18 Devices
AN1019 - EEPROM Endurance Tutorial
AN1028 - Recommended Usage of Microchip I2C? Serial EEPROM Devices
AN1079 - Using the C30 Compiler and the I2C? Peripheral to Interface Serial EEPROMs with dsPIC33F
AN1100 - Using the C30 Compiler to Interface Serial EEPROMs with dsPIC33F
AN1113 - Using C and a Hardware Module to Interface 8051 MCUs with I2C Serial EEPROMs
AN1147 - Interfacing 8051 MCUs with I2C Serial EEPROMs
AN1190 - Using ASM and a Hardware Module to Interface 8051 MCUs with I2C(TM) Serial EEPROMs
AN1195 - Using C to Interface 8051 MCUs with I2C(TM) Serial EEPROMs
AN1418 - Adding Flexibility by Using Multiple Footprints for I2C Serial EEPROMs

Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.1244
Shipping Weight (kg) 0.266667
Lead Count 8
Package Type SOIJ
Package Width or Size .208in
Soldering Composition Matte Tin

Alternative Descriptions

IC: EEPROM memory | Elfaro
EEPROM Ser 2,5V 64kx8 SOL8 | Schukat Electronic
SMT | Component Electronics
EEPROM Serial-I2C 512K-bit 64K x 8 3.3V/5V 8-Pin SOIJ Tube | Avnet America
Microchip EEPROM I²C 512KB 400kHz 900ns SOIJ | Distrelec
SERIAL EEPROM, 512KBIT, 400KHZ, SOIJ-8 | element14
512K 64K X 8 2.5V SERIAL EE | Microchip Technology
512K, 64K x 8, 2.5V, EEPROM, 8-Lead SOIC | Allied Electronics

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Frequently Asked Questions

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Is the 24LC512-I/SM RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Microchip Technology.

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