25LC320A-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
25LC320A-I/SN is a 32K-bit SPI serial EEPROM in SOIC-8 package supporting up to 10MHz clock and 2.5V minimum operation. Features 1 million write/erase cycle endurance with 200-year data retention for reliable non-volatile storage. From $0.45 in stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 25LC320A-I/SN 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
- 10MHz maximum SPI clock speed with 2.5V minimum operation enables fast data transfers in low-voltage microcontroller and embedded systems
- 1 million write/erase cycle endurance and 200-year minimum data retention guarantee long-term reliability for configuration and parameter storage
- Industry-standard SOIC-8 package with SPI interface provides easy drop-in replacement compatibility across multiple microcontroller platforms
Applications
The 25LC320A-I/SN is designed for non-volatile data storage in embedded systems, storing firmware configuration, calibration constants, and user preferences in microcontroller-based products. Its 10MHz SPI interface and 2.5V minimum supply make it suitable for low-power IoT nodes, smart meters, and industrial control systems. The SOIC-8 package and high endurance rating support applications with frequent read/write cycles such as data loggers, automotive modules, and consumer appliance controllers.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 14Weeks |
| YTEOL | 9 |
| Additional Feature | OPERATES WITH 2.5VMIN @ 5MHZ |
| Clock Frequency-Max (fCLK) | 10MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Memory Density | 32768bit |
| Memory IC Type | EEPROM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 4096words |
| Number of Words Code | 4000 |
| Operating Mode | SYNCHRONOUS |
| Organization | 4KX8 |
| 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 |
| Serial Bus Type | SPI |
| Standby Current-Max | 0.000001A |
| Supply Current-Max | 0.005mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.5V |
| 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 | Mainland China, Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for 25LC320A-I/SN:
Frequently Asked Questions
What is the memory size and interface of the 25LC320A-I/SN?
The 25LC320A-I/SN is a 32K-bit (4KB) serial EEPROM with an SPI-compatible interface supporting up to 10MHz clock frequency, making it fast and easy to integrate with virtually any microcontroller or DSP that has a standard SPI peripheral.
What is the minimum supply voltage for the 25LC320A-I/SN?
The 25LC320A-I/SN operates from a minimum supply voltage of 2.5V at 5MHz clock, and can run at even lower voltages at reduced clock speeds, making it compatible with 3.3V and low-voltage microcontroller systems commonly used in IoT and portable devices.
What is the endurance and data retention of the 25LC320A-I/SN?
The 25LC320A-I/SN supports up to 1,000,000 write/erase cycles per memory location and guarantees a minimum data retention period of 200 years, making it suitable for frequently updated configuration storage and long-life industrial applications.
What package does the 25LC320A-I/SN use?
The 25LC320A-I/SN is available in a standard SOIC-8 (R-PDSO-G8) surface-mount package with 8 pins, which is widely supported by PCB CAD tools and provides a good balance between footprint size and ease of hand-soldering during prototyping and low-volume production.
Is the 25LC320A-I/SN RoHS compliant and what is its expected production lifecycle?
Yes, the 25LC320A-I/SN is lead-free (Pbfree Code: Yes, JESD-609 Code e3) and RoHS compliant. It has a YTEOL of 9 years, indicating continued production availability, though buyers should note a factory lead time of 14 weeks when planning production schedules.
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