24AA512-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
The 24AA512-I/SN is a 512Kbit (64KB) I2C serial EEPROM with 400kHz clock support in a SOIC-8 package. It offers 1,000,000 write/erase cycles, 200-year data retention, and hardware address selection for multi-device bus sharing. Available from stock worldwide with competitive pricing.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 24AA512-I/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.4735(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 512Kbit (64KB) I2C EEPROM with 400kHz Fast mode support enabling rapid sequential reads and page writes for data-intensive embedded applications
- 1,000,000 write/erase cycle endurance paired with 200-year minimum data retention ensuring long-lifetime reliability in industrial and consumer deployments
- Hardware address pins supporting up to eight devices on a single I2C bus (control byte 1010DDDR) for scalable multi-chip memory expansion
Applications
The 24AA512-I/SN is well-suited for storing firmware settings, event logs, and configuration data in microcontroller-based systems requiring non-volatile I2C memory. Its 64KB capacity serves applications such as industrial data loggers, medical device parameter storage, and smart metering systems that accumulate time-series records. The industrial temperature range and SOIC-8 package make it easy to integrate into both prototype and production PCB designs.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Clock Frequency-Max (fCLK) | 0.4MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| I2C Control Byte | 1010DDDR |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Memory Density | 524288bit |
| Memory IC Type | EEPROM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Words | 65536words |
| Number of Words Code | 64000 |
| Operating Mode | SYNCHRONOUS |
| Organization | 64KX8 |
| Output Characteristics | OPEN-DRAIN |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Programming Voltage | 2.5V |
| Qualification Status | Not Qualified |
| Serial Bus Type | I2C |
| Standby Current-Max | 0.000001A |
| Supply Current-Max | 0.005mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.7V |
| Supply Voltage-Nom (Vsup) | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Write Cycle Time-Max (tWC) | 5ms |
| Write Protection | HARDWARE |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.32.00.51 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for 24AA512-I/SN:
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Frequently Asked Questions
What is the memory capacity and interface of the 24AA512-I/SN?
The 24AA512-I/SN provides 512Kbits (64KB) of EEPROM storage accessed via a 2-wire I2C serial interface. It supports Fast mode operation at up to 400kHz clock frequency. The I2C control byte format is 1010DDDR, where D bits select the device address for multi-chip configurations, enabling up to eight 24AA512 devices on a single bus for up to 512KB total capacity.
What are the endurance and data retention specifications?
The 24AA512-I/SN is rated for 1,000,000 write/erase cycles per memory cell, exceeding most application lifetimes for configuration and logging data. Data retention is guaranteed for a minimum of 200 years under normal conditions. These specifications make it highly reliable for embedded systems, industrial equipment, and medical devices where data integrity over decades is essential.
What package does the 24AA512-I/SN use?
The 24AA512-I/SN is housed in a SOIC-8 (Small Outline IC, 8-pin) package, designated JESD-30 code R-PDSO-G8. This widely used surface mount package is compatible with standard automated assembly processes and is available with a typical factory lead time of 6 weeks, making supply chain planning straightforward for production builds.
What temperature range does the 24AA512-I/SN support?
The '-I' suffix in 24AA512-I/SN indicates an industrial temperature rating of -40°C to +85°C. This range covers most indoor and outdoor industrial deployment scenarios, including factory automation, building control systems, and telecommunications equipment that may experience elevated ambient temperatures or cold-start conditions.
What are common alternatives to the 24AA512-I/SN?
Direct pin-compatible alternatives include the Microchip 24LC512-I/SN (5V version) and 24FC512-I/SN (Fast Plus 1MHz I2C). From other vendors, the STMicroelectronics M24512 and ON Semiconductor CAT24C512 are functionally equivalent 512Kbit I2C EEPROMs in SOIC-8. Selection should consider supply voltage range (1.7V–5.5V for 24AA) and I2C speed requirements.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.4735 | $1.47 |
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