25LC512T-I/SN Microchip Integrated Circuit (Other) In Stock
Microchip 25LC512T-I/SN is a 512Kbit SPI serial EEPROM operating from 2.5V to 5.5V at up to 20 MHz clock, with 1,000,000 write/erase cycles and 200-year data retention in SOIC-8 package. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Other
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 25LC512T-I/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.9100(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 SPI EEPROM with up to 20 MHz clock speed and 2.5V to 5.5V supply range
- 1,000,000 write/erase endurance cycles with 200-year minimum data retention for long-life applications
- SOIC-8 package with RoHS compliance enabling standard SPI interface in compact embedded systems
Applications
The 25LC512T-I/SN is designed for non-volatile configuration storage, firmware parameter retention, and data logging in microcontroller-based embedded systems. Its 2.5V to 5.5V supply range and 20 MHz SPI interface allow seamless integration with both 3.3V and 5V MCU platforms without level-shifting hardware. The 1,000,000 write/erase cycle endurance makes it suitable for frequently updated parameter storage in industrial sensors, consumer electronics, and communication modules.
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 | Other |
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 25LC512T-I/SN:
Frequently Asked Questions
What are the key memory specifications of 25LC512T-I/SN in terms of capacity, endurance, and data retention?
The 25LC512T-I/SN provides 512Kbit of EEPROM storage, guarantees 1,000,000 write/erase cycles for reliable frequent updates, and maintains data retention for a minimum of 200 years, making it one of the more durable non-volatile storage options for embedded configuration and logging applications.
What SPI clock frequency and supply voltage does 25LC512T-I/SN support for interfacing with 3.3V and 5V MCUs?
The 25LC512T-I/SN operates at SPI clock frequencies up to 20 MHz and accepts supply voltages from 2.5V to 5.5V, providing direct compatibility with both 3.3V and 5V MCU SPI buses without the need for level-translation circuits, reducing BOM cost and board complexity.
For a data logging application requiring frequent writes, how does 25LC512T-I/SN's endurance compare to typical EEPROM products?
With 1,000,000 write/erase cycles, 25LC512T-I/SN exceeds the 100,000-cycle rating common in many standard EEPROM devices, providing 10 times more endurance, which translates to significantly longer product lifetime in applications such as sensor parameter updates, odometer storage, or event counters that write data many times per day.
When is 25LC512T-I/SN a better choice than internal MCU Flash for storing calibration parameters?
External EEPROM like the 25LC512T-I/SN is preferable to internal MCU Flash for calibration data because EEPROM supports byte-level writes and 1,000,000 erase cycles versus the typical 10,000 to 100,000 Flash page-erase cycles, and using external storage keeps calibration updates from wearing out the MCU's program memory in production-calibrated systems.
Related Guides
1206 100 uF MLCC Design Guide for Compact Bulk Decoupling
Design guidance for applying CL31A107MQHNNNE and related 1206 MLCCs in compact bulk decoupling networks.
Jul 3, 2026
0402 10 nF MLCC Design Guide for High-Speed Decoupling
Practical design guidance for using CL05B103KB5NNNC and related 0402 MLCCs in high-speed decoupling networks.
Jul 3, 2026
CL31A107MQHNNNE 1206 100 uF MLCC Selection Guide
How to choose CL31A107MQHNNNE and related 1206 MLCCs for low-voltage bulk capacitance and regulator stability.
Jul 2, 2026
CL05B103KB5NNNC 0402 10 nF X7R MLCC Selection Guide
How to choose CL05B103KB5NNNC and related 0402 MLCCs for bypassing, filtering, voltage derating, and sourcing.
Jul 2, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.5000 | $2.50 |
| 100+ | $2.1000 | $210.00 |
| 1000+ | $1.9800 | $1980.00 |
| 3300+ | $0.9100 | $3003.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”