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Product Detailed Parameters
- Description：IC EEPROM 2KBIT SGL WIRE SOT23-3
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Memory Type：Non-Volatile
- Memory Format：EEPROM
- Technology：EEPROM
- Memory Size：2Kbit
- Memory Organization：256 x 8
- Memory Interface：Single Wire
- Clock Frequency：100 kHz
- 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：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
- Access Time：-
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 11LC020T-I/TT is a 2 Kbit serial electrically erasable programmable read-only memory (EEPROM) organized as 256 x 8 bits. It utilizes the UNI/O single I/O bus interface with a maximum bit rate of 100 kbps. The device operates within a supply voltage range of 2.5 V to 5.5 V and supports industrial temperature ranges from -40°C to +85°C. It features a 16-byte page-write buffer, self-timed write cycles, and block write protection capabilities.
Feature Summary
- Supports the patented UNI/O single I/O serial bus protocol using Manchester encoding for clock and data transmission on a single pin.
Applications
- Microcontroller system configuration storage
- Calibration data retention in embedded devices
- Device identification and parameter logging
Procurement Notes
Verify that the ordering suffix 'I' corresponds to the Industrial temperature range (-40°C to +85°C) and 'TT' indicates the SOT-23-3 package. Confirm the specific density matches the 2 Kbit requirement. Ensure the design accounts for the 2.5 V minimum operating voltage specified for the LC series.
Selection Notes
Select this component when a low-pin-count serial EEPROM is required for non-volatile data storage. The UNI/O interface minimizes microcontroller I/O usage compared to standard SPI or I2C protocols. Consider the 16-byte page buffer size for write efficiency and verify that the 2.5 V to 5.5 V supply range aligns with the target system power rails.
Part Context
This part belongs to the 11LCXXX family of serial EEPROMs manufactured by Microchip Technology. The family offers densities ranging from 1 Kbit to 16 Kbit, all sharing the same UNI/O interface architecture. The 11LC variant specifically requires a minimum supply voltage of 2.5 V, distinguishing it from the 11AA series which supports lower voltages down to 1.8 V.
Replacement Considerations
The 11LC020T-E/TT is an automotive-grade equivalent offering extended temperature support up to +125°C while maintaining identical electrical and functional specifications.
