25LC512-I/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip 25LC512-I/P is a 512 Kbit SPI serial EEPROM operating from 2.5 V to 5.5 V with up to 20 MHz clock frequency in an 8-pin PDIP package. It provides 1,000,000 write/erase cycle endurance and 200-year minimum data retention. Ideal for configuration storage, logging, and calibration in embedded systems and industrial controllers.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 25LC512-I/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.9650(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of 25LC512-I/P?
- 512 Kbit SPI serial EEPROM with up to 20 MHz clock frequency
- Wide supply range from 2.5 V to 5.5 V compatible with 3.3 V and 5 V logic
- 1,000,000 write/erase cycle endurance with 200-year minimum data retention
- 8-pin PDIP package suitable for prototyping and through-hole assembly
- 50 ns read access time for fast sequential data retrieval
What is 25LC512-I/P used for?
The 25LC512-I/P is widely used in embedded microcontroller systems for storing firmware configuration parameters, calibration coefficients, and data logs that must survive power cycles. Its SPI interface and 512 Kbit capacity make it a practical choice for industrial control panels, smart meters, and consumer devices requiring reliable non-volatile storage in a through-hole PDIP-8 footprint.
What are the specifications of 25LC512-I/P?
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 8Weeks |
| 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-PDIP-T8 |
| 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 | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Parallel/Serial | SERIAL |
| 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 | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Write Cycle Time-Max (tWC) | 5ms |
| Write Protection | HARDWARE/SOFTWARE |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.32.00.51 |
| Country of Origin | Thailand |
Where can I find the 25LC512-I/P datasheet?
25LC512-I/P Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for 25LC512-I/P?
Compatible alternatives and drop-in replacements for 25LC512-I/P:
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Frequently Asked Questions
How many write cycles can the 25LC512-I/P handle before reliability degrades in high-frequency logging applications?
The 25LC512-I/P is rated for 1,000,000 write/erase cycles per page, which is suitable for periodic configuration updates and infrequent data logging. For applications writing more than a few thousand times per day, wear-leveling strategies across the 512 Kbit address space are recommended to distribute write stress and maximize operational lifetime.
Can 25LC512-I/P operate reliably in an automotive environment with wide temperature swings?
The 25LC512-I/P is rated for the industrial temperature range of -40°C to +85°C, covering most automotive accessory and underhood-peripheral applications. Its 2.5 V to 5.5 V supply range accommodates regulated 3.3 V or 5 V automotive ECU rails, and the 200-year data retention specification ensures stored calibration data remains valid across vehicle lifetime.
What is the maximum SPI clock speed of 25LC512-I/P and how does it compare in daisy-chain multi-device configurations?
The 25LC512-I/P supports SPI clock frequencies up to 20 MHz at 5 V, allowing fast burst reads of stored data. In multi-device daisy-chain configurations, all 8 PDIP pins remain accessible for CS line management, enabling up to several megabits of cascaded non-volatile storage on a shared SPI bus with minimal GPIO overhead.
What lead time and stocking strategy should procurement teams plan for 25LC512-I/P in volume production?
The 25LC512-I/P carries a factory lead time of approximately 8 weeks. For volume builds, procurement teams typically maintain a 12-week safety stock buffer. The PDIP-8 through-hole package is available in tube packaging, and the part's long lifecycle status supports multi-year production planning without imminent obsolescence concerns.
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About Microchip
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.8500 | $1.85 |
| 100+ | $1.0300 | $103.00 |
| 250+ | $1.0100 | $252.50 |
| 500+ | $0.9650 | $482.50 |
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