93C66BXT-E/STGAlternatives & Equivalent Parts

About 93C66BXT-E/STG

93C66BXT-E/STG is a Integrated Circuit component manufactured by Microchip. 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.

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Specification Comparison

Parameter93C66BXT-E/STGSource74LVCE1G125SE-7CAT93C56VI-GAT93C66B-SSHM-BSJ-3524-SMT-TR-GRSRP1265A-8R2M
ManufacturerMicrochipDiodes Inc.ON SemiconductorMicrochipCUI DevicesBourns
Package TypeSmall Outline PackagesSOT23 (5-Pin)OtherSmall Outline PackagesOtherOther
Pin Count858842
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-25.0°C ~ 85.0°C-55.0°C ~ 150.0°C
Price$0.0457$0.4700$0.2413$0.6100$0.8720
StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEOBSOLETEACTIVETRANSFERREDACTIVE
Electrical Parameters
Pbfree CodeYesYesYesYes
YTEOL5601476
Clock Frequency-Max (fCLK)2 MHz2 MHz2 MHz
JESD-30 CodeR-PDSO-G8R-PDSO-G5R-PDSO-G8R-PDSO-G8
JESD-609 Codee3e3e4e3e4e3
Memory Density4096 bit2048 bit4096 bit
Memory IC TypeEEPROMEEPROMEEPROM
Memory Width161616
Number of Functions11111
Number of Words256 words128 words256 words
Number of Words Code256128256
Operating ModeSYNCHRONOUSSYNCHRONOUSSYNCHRONOUS
Organization256X16128X16256X16
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINE, THIN PROFILE, SHRINK PITCHSMALL OUTLINE, THIN PROFILE, SHRINK PITCHSMALL OUTLINESMALL OUTLINESMT
Parallel/SerialSERIALSERIALSERIAL
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot Qualified
Serial Bus TypeMICROWIREMICROWIRE3-WIRE
Supply Current-Max0.002 mA0.001 mA0.002 mA
Supply Voltage-Max (Vsup)5.5 V5.5 V5.5 V5.5 V
Supply Voltage-Min (Vsup)4.5 V1.4 V1.8 V4.5 V
Supply Voltage-Nom (Vsup)5 V3.3 V5 V5 V
Surface MountYESYESYESYESYES
TechnologyCMOSCMOSCMOSCMOS
Temperature GradeAUTOMOTIVEINDUSTRIALINDUSTRIALINDUSTRIAL
Terminal FinishMATTE TINMATTE TINNICKEL PALLADIUM GOLDMatte Tin (Sn)Tin (Sn) - with Nickel (Ni) barrier
Terminal FormGULL WINGGULL WINGGULL WINGGULL WING
Terminal Pitch0.65 mm0.65 mm1.27 mm1.27 mm
Terminal PositionDUALDUALDUALDUAL
Write Cycle Time-Max (tWC)6 ms5 ms
Factory Lead Time12 Weeks16 Weeks16 Weeks
Control TypeENABLE LOW
FamilyLVC/LCX/Z
Logic IC TypeBUS DRIVER
Number of Ports211
Output Characteristics3-STATE
Output PolarityTRUE
Package Equivalence CodeTSSOP5/6,.08SOP8,.25SOP8,.23
Packing MethodTRTR, EMBOSSED, 13 INCH
Peak Reflow Temperature (Cel)260260260
Propagation Delay (tpd)9 ns
Time@Peak Reflow Temperature-Max (s)3030
Alternate Memory Width88
Data Retention Time-Min100100
Endurance1000000 Write/Erase Cycles1000000 Write/Erase Cycles
Standby Current-Max0.000002 A0.000015 A
Write ProtectionSOFTWARE
Manufacturer Package CodeSOIC-8
Additional Feature2.5V TO 5.5V @ 1MHz AND 1.7V TO 5.5V @ 0.25MHzLOW PROFILE
## AT93C66B-SSHM-B Alternates Showing resultsImage
Audio TypeSTEREO
Board Mounting OptionPEG
Body Breadth0.197 inch
Body Depth0.669 inch
Body Length0.236 inch
Body/Shell StyleJACK
Configuration1X1 HORIZONTAL
Connector Type3.5MM AUDIO
Contact Finish MatingNOT APPLICABLE
Contact Finish TerminationSilver (Ag)
Contact GenderFEMALE
Contact MaterialCOPPER ALLOY
Contact Resistance50 mΩ
Contact StyleRND PIN-SKT
DIN ConformanceNO
Dielectric Withstanding Voltage500VAC V
Durability5000 Cycles
IEC ConformanceNO
Insulation Resistance100000000 Ω
Insulator ColorGREEN
MIL ConformanceNO
Mounting Option 1LOCKING
Mounting StyleRIGHT ANGLE
Mounting TypeBOARD
Number Of ConnectorsONE
Number of Poles3
OptionGENERAL PURPOSE
Polarization KeyPOLARIZED KEY
Rated Current (Signal)1 A
Termination TypeSURFACE MOUNT
Case/Size Code5349
Core MaterialCARBONYL POWDER
DC Resistance15.5 Ω
Inductance-Nom (L)8.2 µH
Inductor ApplicationPOWER INDUCTOR
Inductor TypeGENERAL PURPOSE INDUCTOR
Package Height6.2 mm
Package Length13.5 mm
Package Width12.5 mm
Quality Factor-Min (at L-nom)20
Rated Current-Max10.5 A
Reference StandardAEC-Q200
Self Resonance Frequency11 MHz
Shape/Size DescriptionRECTANGULAR PACKAGE
ShieldedYES
Terminal PlacementDUAL ENDED
Terminal ShapeWRAPAROUND
Test Frequency0.1 MHz
Tolerance20%

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

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Get one quote covering all 5 alternatives for 93C66BXT-E/STG — response within 24 hours.

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Why Look for Alternatives?

Finding alternatives for 93C66BXT-E/STG 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 93C66BXT-E/STG 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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FAQ

What is equivalent to 93C66BXT-E/STG?

Known equivalents for 93C66BXT-E/STG include 74LVCE1G125SE-7, CAT93C56VI-G, AT93C66B-SSHM-B. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of 93C66BXT-E/STG?

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 93C66BXT-E/STG 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.