M93C66-RMN3TP/K STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock
STMicroelectronics M93C66 4096-bit serial EEPROM with SPI interface and 2 MHz clock in SOP-8 package, halogen-free and RoHS compliant. Organized as 256 x 16-bit or 512 x 8-bit words for flexible data storage. Available from stock with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- M93C66-RMN3TP/K Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3201(MOQ 10)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of M93C66-RMN3TP/K?
- 4096-bit EEPROM with selectable 8-bit or 16-bit word organization providing flexible non-volatile storage for configuration, calibration, and serial number data
- 2 MHz maximum SPI clock frequency with 3-wire Microwire-compatible interface enabling simple connection to any MCU SPI peripheral
- Halogen-free, RoHS-compliant SOP-8 package with wide supply voltage range for environmentally friendly industrial and consumer applications
What is M93C66-RMN3TP/K used for?
The M93C66-RMN3TP/K is used for non-volatile storage of configuration parameters, calibration data, and device serial numbers in embedded systems across automotive, industrial, and consumer electronics applications. Its 3-wire SPI interface and compact SOP-8 package allow easy integration alongside any microcontroller for storing small amounts of persistent data that must survive power cycles. Common applications include appliance control boards, smart meter parameter storage, automotive ECU trim data, and consumer product EEPROM memory.
What are the specifications of M93C66-RMN3TP/K?
| Factory Lead Time | 14Weeks |
| YTEOL | 15 |
| Alternate Memory Width | 8 |
| Clock Frequency-Max (fCLK) | 2MHz |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Memory Density | 4096bit |
| Memory IC Type | EEPROM |
| Memory Width | 16 |
| Number of Functions | 1 |
| Number of Words | 256words |
| Number of Words Code | 256 |
| Operating Mode | SYNCHRONOUS |
| Organization | 256X16 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Screening Level | AEC-Q100 |
| Serial Bus Type | MICROWIRE |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1.8V |
| Supply Voltage-Nom (Vsup) | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Write Cycle Time-Max (tWC) | 4ms |
| ## M93C66-RMN3TP/K Alternates Showing results | Image |
| 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 | Mainland China |
Where can I find the M93C66-RMN3TP/K datasheet?
M93C66-RMN3TP/K Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for M93C66-RMN3TP/K?
Compatible alternatives and drop-in replacements for M93C66-RMN3TP/K:
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Frequently Asked Questions
What memory capacity and word organization options does M93C66-RMN3TP/K offer?
M93C66-RMN3TP/K provides 4096 bits of EEPROM memory, configurable as 256 x 16-bit words or 512 x 8-bit words depending on the ORG pin setting. This dual organization flexibility suits both 8-bit and 16-bit MCU systems needing non-volatile storage for calibration constants, device IDs, or configuration tables.
What SPI clock speed does M93C66-RMN3TP/K support and how does this affect system integration?
M93C66-RMN3TP/K supports a maximum SPI clock frequency of 2 MHz on its 3-wire Microwire-compatible interface. This clock speed is compatible with virtually all standard MCU SPI peripherals, enabling straightforward firmware integration for reading and writing EEPROM data without requiring high-speed SPI hardware or specialized timing circuitry.
Which automotive or industrial designs benefit from M93C66-RMN3TP/K halogen-free compliance?
Automotive ECU parameter storage, industrial sensor calibration units, and smart meter configurations benefit from M93C66-RMN3TP/K's halogen-free and RoHS-compliant manufacturing. These applications often require compliance with environmental regulations, and the SOP-8 package with a 14-week factory lead time suits designs with procurement planning cycles in regulated markets.
How does M93C66-RMN3TP/K compare to I2C EEPROM alternatives for embedded non-volatile storage?
M93C66-RMN3TP/K uses a 3-wire SPI Microwire interface rather than I2C, eliminating address conflicts when multiple SPI devices share a bus via chip-select lines. For designs with 4096 bits of required non-volatile storage and an available SPI port, the M93C66 offers simpler protocol handling and faster 2 MHz transfers compared to standard 400 kHz I2C EEPROM alternatives.
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Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $1.0200 | $10.20 |
| 25+ | $0.4200 | $10.50 |
| 100+ | $0.3885 | $38.85 |
| 250+ | $0.3360 | $84.00 |
| 10000+ | $0.3261 | $3260.50 |
| 20000+ | $0.3201 | $6402.40 |
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