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Product Detailed Parameters
- Description：IC EEPROM 32KBIT SPI 10MHZ 8MSOP
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Memory Type：Non-Volatile
- Memory Format：EEPROM
- Technology：EEPROM
- Memory Size：32Kbit
- Memory Organization：4K x 8
- Memory Interface：SPI
- Clock Frequency：10 MHz
- Write Cycle Time - Word, Page：5ms
- Voltage - Supply：2.5V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-MSOP
- Access Time：-
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 25LC320AT-I/MS is a 32-Kbit Serial Electrically Erasable PROM featuring an SPI-compatible interface. It operates within a voltage range of 2.5V to 5.5V and supports clock frequencies up to 10 MHz at 5.5V. The device utilizes an 8-lead MSOP package and functions across an industrial temperature range of -40°C to +85°C. Key specifications include a 4096 x 8-bit organization, a 32-byte page size, and self-timed write cycles with a maximum duration of 5 ms.
Feature Summary
- Supports sequential read operations and page writes up to 32 bytes within a single physical page boundary.
- Includes hardware write protection via the WP pin and software block protection through the STATUS register.
- Features a HOLD input to suspend serial communication without resetting the sequence.
Applications
- Data logging in industrial control systems
- Configuration storage for microcontroller-based devices
- Parameter retention in embedded applications
Procurement Notes
Verify that the specific suffix 'I' corresponds to the Industrial temperature grade (-40°C to +85°C) and 'MS' indicates the 8-lead MSOP package. Confirm the 'T' suffix aligns with the required tape-and-reel packaging format. Ensure the supply voltage requirements match the 2.5V to 5.5V specification for the 25LC320A series.
Selection Notes
Select this component when an SPI EEPROM with a 32Kb capacity and industrial temperature rating is required. The 25LC320A variant specifically requires a minimum operating voltage of 2.5V, distinguishing it from the 25AA320A which supports lower voltages down to 1.8V. The MSOP package is suitable for surface-mount assembly where space efficiency is prioritized.
Part Context
This part belongs to the 25XX320A family of 32-Kbit Serial EEPROMs manufactured by Microchip Technology. The family shares identical functional architectures but differs in electrical characteristics such as operating voltage ranges and temperature grades. The 25LC320A series is optimized for standard voltage applications compared to the extended voltage capabilities of the 25AA320A series.
Replacement Considerations
The 25LC320AT-I/MNY is a parameter-equivalent alternative available in the TDFN-8 package. Verify package compatibility and pin alignment before substitution.
