M93C66-WMN6Alternatives & Equivalent Parts
About M93C66-WMN6
M93C66-WMN6 is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | M93C66-WMN6Source | M93C66-WMN6P | AT93C66B-SSHM-B | ATMEGA328P-ANR | M93C66-MN6 | M93C66-WMN6TP |
|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | Microchip | Microchip | STMicroelectronics | STMicroelectronics |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | Quad Flat Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 8 | 8 | 32 | 8 | 8 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.0934 | $0.1172 | — | $0.9570 | — | $0.1038 |
| Electrical Parameters | ||||||
| YTEOL | 0 | 5 | 14 | 3 | 0 | 9 |
| Alternate Memory Width | 8 | 8 | 8 | — | 8 | 8 |
| Clock Frequency-Max (fCLK) | 2 MHz | 2 MHz | 2 MHz | — | 2 MHz | 2 MHz |
| Data Retention Time-Min | 40 | 40 | 100 | — | 40 | 40 |
| Endurance | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | — | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | S-PQFP-G32 | R-PDSO-G8 | R-PDSO-G8 |
| JESD-609 Code | e0 | e4 | e3 | e3 | — | e4 |
| Memory Density | 4096 bit | 4096 bit | 4096 bit | — | 4096 bit | 4096 bit |
| Memory IC Type | EEPROM | EEPROM | EEPROM | — | EEPROM | EEPROM |
| Memory Width | 16 | 16 | 16 | — | 16 | 16 |
| Number of Functions | 1 | 1 | 1 | — | 1 | 1 |
| Number of Words | 256 words | 256 words | 256 words | — | 256 words | 256 words |
| Number of Words Code | 256 | 256 | 256 | — | 256 | 256 |
| Operating Mode | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS | — | SYNCHRONOUS | SYNCHRONOUS |
| Organization | 256X16 | 256X16 | 256X16 | — | 256X16 | 256X16 |
| Output Characteristics | 3-STATE | — | — | — | 3-STATE | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 | SOP8,.25 | SOP8,.23 | QFP32,.35SQ,32 | SOP8,.25 | SOP8,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | FLATPACK, THIN PROFILE | SMALL OUTLINE | SMALL OUTLINE |
| Parallel/Serial | SERIAL | SERIAL | SERIAL | — | SERIAL | SERIAL |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Serial Bus Type | MICROWIRE | MICROWIRE | 3-WIRE | — | MICROWIRE | MICROWIRE |
| Standby Current-Max | 0.000002 A | 0.000005 A | 0.000015 A | — | 0.000015 A | 0.000005 A |
| Supply Current-Max | 0.002 mA | 0.002 mA | 0.002 mA | 2.7 mA | 0.002 mA | 0.002 mA |
| Supply Voltage-Max (Vsup) | 5.5 V | 5.5 V | 5.5 V | — | 5.5 V | 5.5 V |
| Supply Voltage-Min (Vsup) | 2.5 V | 2.5 V | 4.5 V | — | 4.5 V | 2.5 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | — | 5 V | 5 V |
| Surface Mount | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | TIN LEAD | NICKEL PALLADIUM GOLD | Matte Tin (Sn) | Matte Tin (Sn) | — | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 1.27 mm | 0.8 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | QUAD | DUAL | DUAL |
| Write Cycle Time-Max (tWC) | 5 ms | 5 ms | 5 ms | — | 5 ms | 5 ms |
| Write Protection | SOFTWARE | SOFTWARE | — | — | SOFTWARE | SOFTWARE |
| ## M93C66-WMN6 Alternates Showing results | Image | — | — | — | — | — |
| Factory Lead Time | — | 8 Weeks | 16 Weeks | 6 Weeks | — | 8 Weeks |
| Peak Reflow Temperature (Cel) | — | 260 | 260 | 260 | — | 260 |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | — | — | — | 30 |
| ## M93C66-WMN6P Alternates Showing results | — | Image | — | — | — | — |
| Pbfree Code | — | — | Yes | Yes | — | — |
| Manufacturer Package Code | — | — | SOIC-8 | TQFP-32 | — | — |
| Additional Feature | — | — | 2.5V TO 5.5V @ 1MHz AND 1.7V TO 5.5V @ 0.25MHz | IT ALSO OPERATES 1.8V AT 4 MHZ | — | — |
| Number of Ports | — | — | 1 | — | — | — |
| ## AT93C66B-SSHM-B Alternates Showing results | — | — | Image | — | — | — |
| Has ADC | — | — | — | YES | — | — |
| Bit Size | — | — | — | 8 | — | — |
| Boundary Scan | — | — | — | NO | — | — |
| CPU Family | — | — | — | AVR RISC | — | — |
| Clock Frequency-Max | — | — | — | 20 MHz | — | — |
| DAC Channels | — | — | — | NO | — | — |
| DMA Channels | — | — | — | NO | — | — |
| Format | — | — | — | FIXED POINT | — | — |
| Integrated Cache | — | — | — | NO | — | — |
| Low Power Mode | — | — | — | YES | — | — |
| Number of External Interrupts | — | — | — | 2 | — | — |
| Number of I/O Lines | — | — | — | 23 | — | — |
| Number of Serial I/Os | — | — | — | 1 | — | — |
| Number of Timers | — | — | — | 3 | — | — |
| On Chip Data RAM Width | — | — | — | 8 | — | — |
| On Chip Program ROM Width | — | — | — | 16 | — | — |
| PWM Channels | — | — | — | YES | — | — |
| RAM (bytes) | — | — | — | 2048 | — | — |
| RAM (words) | — | — | — | 2048 | — | — |
| ROM (words) | — | — | — | 16384 | — | — |
| ROM Programmability | — | — | — | FLASH | — | — |
| Speed | — | — | — | 20 MHz | — | — |
| Supply Voltage-Max | — | — | — | 5.5 V | — | — |
| Supply Voltage-Min | — | — | — | 5 V | — | — |
| Supply Voltage-Nom | — | — | — | 5 V | — | — |
| uPs/uCs/Peripheral ICs Type | — | — | — | MICROCONTROLLER, RISC | — | — |
| ## ATMEGA328P-ANR Alternates Showing results | — | — | — | Image | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for M93C66-WMN6 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating M93C66-WMN6 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for M93C66-WMN6. Get expert recommendations within 24 hours.
Request Alternatives for M93C66-WMN6FAQ
What is equivalent to M93C66-WMN6?
Known equivalents for M93C66-WMN6 include M93C66-WMN6P, AT93C66B-SSHM-B, ATMEGA328P-ANR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of M93C66-WMN6?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify M93C66-WMN6 alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.