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

ParameterM93C66-WMN6SourceM93C66-WMN6PAT93C66B-SSHM-BATMEGA328P-ANRM93C66-MN6M93C66-WMN6TP
ManufacturerSTMicroelectronicsSTMicroelectronicsMicrochipMicrochipSTMicroelectronicsSTMicroelectronics
Package TypeSmall Outline PackagesSmall Outline PackagesSmall Outline PackagesQuad Flat PackagesSmall Outline PackagesSmall Outline Packages
Pin Count8883288
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
YTEOL0514309
Alternate Memory Width88888
Clock Frequency-Max (fCLK)2 MHz2 MHz2 MHz2 MHz2 MHz
Data Retention Time-Min40401004040
Endurance1000000 Write/Erase Cycles1000000 Write/Erase Cycles1000000 Write/Erase Cycles1000000 Write/Erase Cycles1000000 Write/Erase Cycles
JESD-30 CodeR-PDSO-G8R-PDSO-G8R-PDSO-G8S-PQFP-G32R-PDSO-G8R-PDSO-G8
JESD-609 Codee0e4e3e3e4
Memory Density4096 bit4096 bit4096 bit4096 bit4096 bit
Memory IC TypeEEPROMEEPROMEEPROMEEPROMEEPROM
Memory Width1616161616
Number of Functions11111
Number of Words256 words256 words256 words256 words256 words
Number of Words Code256256256256256
Operating ModeSYNCHRONOUSSYNCHRONOUSSYNCHRONOUSSYNCHRONOUSSYNCHRONOUS
Organization256X16256X16256X16256X16256X16
Output Characteristics3-STATE3-STATE
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP8,.25SOP8,.25SOP8,.23QFP32,.35SQ,32SOP8,.25SOP8,.25
Package ShapeRECTANGULARRECTANGULARRECTANGULARSQUARERECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINESMALL OUTLINEFLATPACK, THIN PROFILESMALL OUTLINESMALL OUTLINE
Parallel/SerialSERIALSERIALSERIALSERIALSERIAL
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
Serial Bus TypeMICROWIREMICROWIRE3-WIREMICROWIREMICROWIRE
Standby Current-Max0.000002 A0.000005 A0.000015 A0.000015 A0.000005 A
Supply Current-Max0.002 mA0.002 mA0.002 mA2.7 mA0.002 mA0.002 mA
Supply Voltage-Max (Vsup)5.5 V5.5 V5.5 V5.5 V5.5 V
Supply Voltage-Min (Vsup)2.5 V2.5 V4.5 V4.5 V2.5 V
Supply Voltage-Nom (Vsup)5 V5 V5 V5 V5 V
Surface MountYESYESYESYESYESYES
TechnologyCMOSCMOSCMOSCMOSCMOSCMOS
Temperature GradeINDUSTRIALINDUSTRIALINDUSTRIALINDUSTRIALINDUSTRIALINDUSTRIAL
Terminal FinishTIN LEADNICKEL PALLADIUM GOLDMatte Tin (Sn)Matte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WINGGULL WINGGULL WINGGULL WINGGULL WINGGULL WING
Terminal Pitch1.27 mm1.27 mm1.27 mm0.8 mm1.27 mm1.27 mm
Terminal PositionDUALDUALDUALQUADDUALDUAL
Write Cycle Time-Max (tWC)5 ms5 ms5 ms5 ms5 ms
Write ProtectionSOFTWARESOFTWARESOFTWARESOFTWARE
## M93C66-WMN6 Alternates Showing resultsImage
Factory Lead Time8 Weeks16 Weeks6 Weeks8 Weeks
Peak Reflow Temperature (Cel)260260260260
Time@Peak Reflow Temperature-Max (s)3030
## M93C66-WMN6P Alternates Showing resultsImage
Pbfree CodeYesYes
Manufacturer Package CodeSOIC-8TQFP-32
Additional Feature2.5V TO 5.5V @ 1MHz AND 1.7V TO 5.5V @ 0.25MHzIT ALSO OPERATES 1.8V AT 4 MHZ
Number of Ports1
## AT93C66B-SSHM-B Alternates Showing resultsImage
Has ADCYES
Bit Size8
Boundary ScanNO
CPU FamilyAVR RISC
Clock Frequency-Max20 MHz
DAC ChannelsNO
DMA ChannelsNO
FormatFIXED POINT
Integrated CacheNO
Low Power ModeYES
Number of External Interrupts2
Number of I/O Lines23
Number of Serial I/Os1
Number of Timers3
On Chip Data RAM Width8
On Chip Program ROM Width16
PWM ChannelsYES
RAM (bytes)2048
RAM (words)2048
ROM (words)16384
ROM ProgrammabilityFLASH
Speed20 MHz
Supply Voltage-Max5.5 V
Supply Voltage-Min5 V
Supply Voltage-Nom5 V
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISC
## ATMEGA328P-ANR Alternates Showing resultsImage

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

Quick Links

M93C66-MN6by STMicroelectronics

EEPROM, 256X16, Serial, CMOS, PDSO8

M93C66-WMN6TPby STMicroelectronics

EEPROM, 256X16, Serial, CMOS, PDSO8

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.

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Request Alternatives for M93C66-WMN6

FAQ

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.