24AA512-I/ST14 Microchip Integrated Circuit (Small Outline Packages) In Stock
The 24AA512-I/ST14 is a 512Kbit (64K x 8) I2C serial EEPROM from Microchip operating at 1.8V with a 400kHz maximum clock, 1,000,000 write/erase cycle endurance, and 200-year data retention. It is housed in a 14-pin TSSOP surface-mount package suitable for low-voltage embedded designs. Available in stock worldwide with competitive pricing for reliable non-volatile data storage applications.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- 24AA512-I/ST14 Datasheet PDF
- Category
- Integrated Circuit
- 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 1.8V operation and 400kHz Fast Mode support for low-voltage microcontroller systems
- 1,000,000 write/erase cycle endurance with 200-year minimum data retention ensuring long-term reliable non-volatile storage
- Configurable I2C address (1010DDDR control byte) allowing up to eight devices on the same bus for scalable memory expansion
- 14-pin TSSOP package (R-PDSO-G14) with Pb-free JESD-609 e3 compliance for compact, environmentally-compliant PCB designs
Applications
The 24AA512-I/ST14 is ideal for storing configuration parameters, calibration data, firmware version info, and user settings in low-power embedded systems and IoT nodes operating from 1.8V coin cells or energy harvesters. Its I2C interface and addressable device select pins allow multiple EEPROMs to share a two-wire bus, making it useful for modular sensor hubs and data acquisition systems requiring expandable non-volatile storage. It is also widely used in medical devices, smart meters, and industrial controllers where long data retention and write endurance are mandatory requirements.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | TSSOP-14 |
| Factory Lead Time | 14Weeks |
| 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-G14 |
| 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 | TSSOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| 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 | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| 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 | Malaysia, Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the memory capacity and organization of the 24AA512-I/ST14?
The 24AA512-I/ST14 provides 512Kbit of EEPROM organized as 64K bytes (64K x 8), offering substantial non-volatile storage for configuration files, calibration tables, and user data in embedded microcontroller applications.
What interface and clock frequency does the 24AA512-I/ST14 support?
The 24AA512-I/ST14 uses a 2-wire I2C serial interface with a maximum clock frequency of 400kHz (Fast Mode), compatible with virtually all modern microcontrollers and SoCs that include a hardware I2C peripheral.
How many 24AA512-I/ST14 devices can share the same I2C bus?
The 24AA512-I/ST14 uses a control byte of 1010DDDR with two device address select pins (DD), allowing up to four devices on the same I2C bus, enabling up to 256KB of total addressable EEPROM without additional bus hardware.
What package does the 24AA512-I/ST14 use?
The 24AA512-I/ST14 is housed in a 14-pin TSSOP (Thin Shrink Small Outline Package) surface-mount package, designated R-PDSO-G14, offering a compact footprint suitable for space-constrained PCB designs in portable and embedded systems.
What is the write endurance and data retention of the 24AA512-I/ST14?
The 24AA512-I/ST14 is rated for 1,000,000 write/erase cycles per byte location and has a minimum data retention time of 200 years, making it highly reliable for frequent configuration updates and long-term archival storage in industrial and medical applications.
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