93LC66C-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
The 93LC66C-I/SN is a 4Kbit SPI-compatible EEPROM from Microchip with 1 million write/erase cycles and 200-year data retention. It operates at up to 2MHz clock frequency and supports 8-bit or 16-bit word organization in an SOIC-8 package. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 93LC66C-I/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2700(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of 93LC66C-I/SN?
- 1,000,000 write/erase cycle endurance ensures long operational life in frequently updated parameter storage applications
- 200-year minimum data retention guarantees reliable non-volatile storage of critical configuration data
- 2MHz maximum SPI clock frequency enables fast serial access in microcontroller-based embedded systems
- Selectable 8-bit or 16-bit word organization provides flexible data width for diverse application requirements
What is 93LC66C-I/SN used for?
The 93LC66C-I/SN is commonly used for storing non-volatile configuration parameters, calibration data, and user settings in microcontroller-based embedded systems such as IoT sensors, appliance controllers, and industrial instrumentation. Its high endurance of 1 million write cycles makes it suitable for applications with frequent data updates like odometer logging, event counters, and trim value storage. The compact SOIC-8 package and SPI interface enable seamless integration with virtually any modern 8-bit or 32-bit microcontroller platform.
What are the specifications of 93LC66C-I/SN?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Alternate Memory Width | 8 |
| Clock Frequency-Max (fCLK) | 2MHz |
| Data Retention Time-Min | 200 |
| Endurance | 1000000 Write/Erase Cycles |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Memory Density | 4096bit |
| Memory IC Type | EEPROM |
| Memory Width | 16 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 256words |
| Number of Words Code | 256 |
| Operating Mode | SYNCHRONOUS |
| Organization | 256X16 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.23 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Programming Voltage | 3V |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| Serial Bus Type | MICROWIRE |
| Standby Current-Max | 0.0001A |
| Supply Current-Max | 0.003mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.5V |
| Supply Voltage-Nom (Vsup) | 3V |
| 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) | 10ms |
| Write Protection | 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 | Thailand |
Where can I find the 93LC66C-I/SN datasheet?
93LC66C-I/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for 93LC66C-I/SN?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the memory capacity and word organization of the 93LC66C-I/SN?
The 93LC66C-I/SN is a 4Kbit EEPROM that supports selectable word organization of either 8-bit or 16-bit words, providing 512 bytes or 256 words respectively. The 'C' suffix specifically denotes the 8-bit organization variant, giving designers flexibility to match their firmware data structures.
How many write/erase cycles does the 93LC66C-I/SN support?
The 93LC66C-I/SN is rated for 1,000,000 write/erase cycles per memory location, which is well above the typical requirements for most embedded parameter storage applications. Combined with a 200-year minimum data retention, this ensures data integrity over the full product lifetime.
What is the maximum clock frequency for the 93LC66C-I/SN?
The 93LC66C-I/SN supports a maximum SPI clock frequency of 2MHz, which is adequate for most microcontroller EEPROM access patterns. The device uses a standard 3-wire SPI-compatible serial interface, making it straightforward to connect to any SPI-capable microcontroller.
What package does the 93LC66C-I/SN come in?
The 93LC66C-I/SN is available in an 8-pin SOIC (Small Outline Integrated Circuit) surface-mount package, with the manufacturer package code SOIC-8. This compact package is ideal for standard PCB assembly and is supported by most automated pick-and-place equipment in volume production.
Is the 93LC66C-I/SN RoHS compliant?
Yes, the 93LC66C-I/SN is RoHS compliant with a Pb-free code of 'Yes' and JESD-609 code e3, confirming lead-free construction. This makes it compliant with the European RoHS directive and suitable for products sold in environmentally regulated markets globally.
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| 1+ | $0.3800 | $0.38 |
| 6+ | $0.2741 | $1.64 |
| 5000+ | $0.2700 | $1350.00 |
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