25C320/SN

Ⅰ.Overview of 25C320/SN

The 25C320/SN is a high-performance non-volatile EEPROM memory IC developed by Microchip Technology, designed for reliable data storage in various electronic systems with SPI interface compatibility and stable operation under industrial-standard conditions.

Ⅱ.25C320/SN Parameter

Category:Integrated Circuits (ICs),Memory

Mfr:Microchip Technology

Packaging:Tube

Part Status:Active

DigiKey Programmable:Verified

Memory Type:Non-Volatile

Memory Format:EEPROM

Technology:EEPROM

Memory Size:32Kbit

Memory Organization:4K x 8

Memory Interface:SPI

Clock Frequency:3 MHz

Write Cycle Time - Word, Page:5ms

Voltage - Supply:4.5V ~ 5.5V

Operating Temperature:0°C ~ 70°C (TA)

Mounting Type:Surface Mount

Package / Case:8-SOIC (0.154", 3.90mm Width)

Ⅲ.25C320/SN Main Characteristics

Data Retention:Non-volatile memory retention ensures data preservation without continuous power supply.

SPI Compatibility:SPI (Serial Peripheral Interface) enables simple and efficient communication with microcontrollers.

Storage Capacity:32Kbit capacity (4K x 8 organization) provides sufficient storage for configuration data and small-scale user information.

Fast Operation:3 MHz clock frequency supports fast read/write operations for time-sensitive applications.

Voltage Flexibility:Wide supply voltage range (4.5V ~ 5.5V) offers flexibility in diverse power system designs.

Compact Packaging:Surface-mount 8-SOIC package facilitates compact PCB layout and high-volume assembly processes.

Temperature Adaptability:Industrial-grade operating temperature range (0°C ~ 70°C) ensures reliability in common environmental conditions.

Verified Programmability:Verified programmability via DigiKey ensures compatibility with standard programming tools and workflows.

Ⅳ.25C320/SN Application 

Home Appliance Controllers:Stores operating parameters (e.g., temperature settings, timer configurations) in microwave ovens and air conditioners.

Automotive Auxiliary Systems:Retains calibration data for car audio equalizers and seat position memory modules.

Industrial Sensors:Saves calibration coefficients and measurement logs in temperature/humidity sensors for factory automation.

Consumer Electronics:Stores user preferences in digital cameras and portable audio players.

Medical Devices:Preserves device configuration data and patient usage records in blood pressure monitors and glucose meters.

Smart Home Devices:Maintains network credentials and operational settings in smart light switches and doorbell cameras.

Ⅴ.Conclusion

The 25C320/SN EEPROM IC combines reliable non-volatile storage, compact packaging, and SPI compatibility, making it an ideal choice for a wide range of consumer, industrial, and automotive applications requiring efficient data retention in constrained environments.