25LC512-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip 25LC512-I/SN is a 512 Kbit SPI serial EEPROM with 2.5V to 5.5V operation, 20 MHz clock, and 1 million write/erase cycle endurance, housed in an SOIC-8 package. Ideal for embedded data logging and parameter storage.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 25LC512-I/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.9875(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
- 512 Kbit SPI EEPROM with up to 20 MHz clock frequency for fast serial data access
- Wide supply voltage range of 2.5V to 5.5V enabling compatibility with 3.3V and 5V systems
- High endurance of 1,000,000 write/erase cycles with 200-year data retention specification
- Low-power SOIC-8 package suitable for space-constrained industrial and consumer designs
Applications
The 25LC512-I/SN is commonly used for storing calibration data, firmware parameters, and configuration settings in microcontroller-based embedded systems. It suits data logging in industrial sensors, smart meters, and medical monitoring equipment requiring reliable non-volatile memory. Its SPI interface and wide voltage range make it easily integrable into automotive, consumer electronics, and IoT edge node designs.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Additional Feature | 2.5V TO 5.5V @ 10MHz |
| Clock Frequency-Max (fCLK) | 20MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| 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 Ports | 1 |
| Number of Words | 65536words |
| Number of Words Code | 64000 |
| Operating Mode | SYNCHRONOUS |
| Organization | 64KX8 |
| Output Characteristics | 3-STATE |
| 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 | 5V |
| Qualification Status | Not Qualified |
| Screening Level | AEC-Q100 |
| Serial Bus Type | SPI |
| Standby Current-Max | 0.00001A |
| Supply Current-Max | 0.01mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 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/SOFTWARE |
| 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 25LC512-I/SN:
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Frequently Asked Questions
What clock frequency does the 25LC512-I/SN support, and how does it affect SPI throughput?
The 25LC512-I/SN supports a maximum clock frequency of 20 MHz on its SPI interface. This enables a peak burst read throughput of approximately 2.5 MB/s, which is sufficient for most embedded logging applications that read configuration blocks in the 512 Kbit address space at startup or periodically.
Can the 25LC512-I/SN operate from a 3.3V rail in a mixed-voltage embedded system?
Yes, the 25LC512-I/SN operates over a supply voltage range of 2.5V to 5.5V, so a 3.3V rail is fully supported. This makes it compatible with modern low-power microcontrollers such as ARM Cortex-M0 devices without requiring level translation on the SPI lines.
How many write cycles can the 25LC512-I/SN handle before wear-out becomes a concern?
Microchip specifies a minimum of 1,000,000 write/erase cycles per byte location for the 25LC512-I/SN. At a write rate of 1 cycle per second, that equates to over 11 days of continuous writes before reaching the endurance limit, making it suitable for applications requiring frequent parameter updates.
What industrial or automotive applications benefit most from the 25LC512-I/SN EEPROM?
The 25LC512-I/SN is well-suited for storing calibration coefficients in industrial pressure sensors, trip counters in smart meters, and system configuration in automotive body-control modules. Its -40°C to +85°C operating range and SOIC-8 package ensure robust performance across harsh environments.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.9875 | $1.99 |
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