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93LC66AT-I/OT is listed in the Memory IC range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC EEPROM 4KBIT MIC WIRE SOT23-6. Review the specifications below when checking this part for your BOM.
Memory IC specifications for 93LC66AT-I/OT
- Description：IC EEPROM 4KBIT MIC WIRE SOT23-6
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Memory Type：Non-Volatile
- Memory Format：EEPROM
- Technology：EEPROM
- Memory Size：4Kbit
- Memory Organization：512 x 8
- Memory Interface：Microwire
- Clock Frequency：2 MHz
- Write Cycle Time - Word, Page：6ms
- Voltage - Supply：2.5V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6
- Supplier Device Package：SOT-23-6
- Access Time：-
- Grade：-
- Qualification：-
Memory IC datasheet and documents for 93LC66AT-I/OT
Memory IC Overview
The Microchip Technology 93LC66AT-I/OT is a 4Kbit low-voltage serial EEPROM utilizing advanced CMOS technology. It features a fixed 512 x 8-bit organization and operates within a supply voltage range of 2.5V to 5.5V. The device supports an industrial temperature range from -40°C to +85°C and communicates via a standard 3-Wire Microwire interface with a maximum clock frequency of 2 MHz. Packaged in a compact 6-lead SOT-23 format, it offers high endurance and long-term data retention.
Memory IC Feature Summary
- Supports self-timed erase and write cycles including auto-erase functionality
- Includes power-on/off data protection circuitry for reliability
- Provides Ready/Busy status signal on the Data Output pin
- Features sequential read capability for efficient data retrieval
Memory IC Applications
- Low-power nonvolatile memory storage
- Industrial control systems requiring reliable data retention
- Embedded applications needing small footprint serial memory
Memory IC Procurement Notes
Verify that the specific ordering suffix matches the required package type and temperature grade. Confirm the voltage range compatibility with the target system design. Ensure compliance with environmental regulations such as RoHS standards before finalizing procurement decisions.
Memory IC Selection Notes
Select this component when a fixed 8-bit word size is sufficient for the application. It is suitable for designs requiring a compact surface-mount package. Consider the 2.5V minimum operating voltage when designing the power supply architecture.
Memory IC Part Context
This part belongs to the 93XX66 series of 4Kbit Microwire compatible serial EEPROMs. It shares functional similarities with other variants in the family but differs in specific voltage ranges and memory organization options available in 'A', 'B', or 'C' versions.
Memory IC Replacement Considerations
Direct substitutes include other 93LC66 variants with different packages such as 93LC66AT-I/MC (DFN) or 93LC66BT-I/OT (SOT-23). Verify voltage and temperature specifications match the original requirements.
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