24FC256-I/STAlternatives & Equivalent Parts

About 24FC256-I/ST

24FC256-I/ST 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

Parameter24FC256-I/STSourceAQS221FR2S24FC256-I/SMMDC3105LT1GSS8050-GCRCW040252K3FKEDGRM21BR61A226ME44L
ManufacturerMicrochipPanasonicMicrochipON SemiconductorComchip TechnologyVishayMurata Electronics
Package TypeSmall Outline PackagesSmall Outline PackagesSmall Outline PackagesSOT23 (3-Pin)SOT23 (3-Pin)OtherOther
Pin Count81683322
Temperature Range-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-55.0°C ~ 155.0°C-55.0°C ~ 85.0°C
Price$0.4000$16.7800$0.6185$0.5200$0.0370$0.0020$0.0650
StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEOBSOLETEACTIVEOBSOLETEACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesYesYesYes
Manufacturer Package CodeTSSOP-8SOIJ-8318
Factory Lead Time9 Weeks14 Weeks7 Weeks10 Weeks
YTEOL80807137
Clock Frequency-Max (fCLK)1 MHz1 MHz
Data Retention Time-Min200200
Endurance1000000 Write/Erase Cycles1000000 Write/Erase Cycles
I2C Control Byte1010DDDR1010DDDR
JESD-30 CodeR-PDSO-G8R-PDSO-G8R-PDSO-G3R-PDSO-G3
JESD-609 Codee3e3e3e3
Memory Density262144 bit262144 bit
Memory IC TypeEEPROMEEPROM
Memory Width88
Number of Functions111
Number of Ports11
Number of Words32768 words32768 words
Number of Words Code3200032000
Operating ModeSYNCHRONOUSSYNCHRONOUS
Organization32KX832KX8
Output CharacteristicsOPEN-DRAINOPEN-DRAIN
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeTSSOP8,.25SOP8,.3TO-236
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULAR PACKAGE
Package StyleSMALL OUTLINE, THIN PROFILE, SHRINK PITCHSMALL OUTLINESMALL OUTLINE, THIN PROFILE, SHRINK PITCHSMALL OUTLINESMTSMT
Parallel/SerialSERIALSERIAL
Peak Reflow Temperature (Cel)260260260NOT SPECIFIED
Programming Voltage2.5 V2.5 V
Qualification StatusNot QualifiedNot QualifiedNot Qualified
Reverse PinoutNONO
Screening LevelAEC-Q100AEC-Q100
Serial Bus TypeI2CI2C
Standby Current-Max0.000005 A0.000005 A
Supply Current-Max0.003 mA0.003 mA
Supply Voltage-Max (Vsup)5.5 V5.5 V
Supply Voltage-Min (Vsup)1.7 V1.7 V
Supply Voltage-Nom (Vsup)2.5 V2.5 V
Surface MountYESYESYESYESYESYES
TechnologyCMOSCMOSBIPOLARMETAL GLAZE/THICK FILM
Temperature GradeINDUSTRIALINDUSTRIALINDUSTRIAL
Terminal FinishMatte Tin (Sn)Matte Tin (Sn)MATTE TINMatte Tin (Sn) - with Nickel (Ni) barrierMatte Tin (Sn) - with Nickel (Ni) barrier
Terminal FormGULL WINGGULL WINGGULL WINGGULL WING
Terminal Pitch0.65 mm1.27 mm0.95 mm
Terminal PositionDUALDUALDUALDUAL
Write Cycle Time-Max (tWC)5 ms5 ms
Write ProtectionHARDWAREHARDWARE
ConfigurationSEPARATE, 4 ELEMENTS WITH BUILT-IN RESISTORSINGLE
Isolation Voltage-Max500 V
Number of Elements41
On-State Current-Max0.16 A
On-state Resistance-Max1.25 Ω
Optoelectronic Device TypeTRANSISTOR OUTPUT SSR
Packing MethodTUBETR, Paper, 7 Inch180mm Reel W8P4
Time@Peak Reflow Temperature-Max (s)4030NOT SPECIFIED
Built-in ProtectionsTRANSIENT
Driver Number of Bits1
Interface IC TypeBUFFER OR INVERTER BASED PERIPHERAL DRIVER
Output Current Flow DirectionSINK
Output Current-Max0.25 A
Supply Voltage-Max6 V
Supply Voltage-Min3 V
Supply Voltage-Nom5 V
Reach Compliance CodeCompliantCompliantCompliant
Collector Current-Max (IC)1.5 A
Collector-Emitter Voltage-Max25 V
DC Current Gain-Min (hFE)40
Polarity/Channel TypeNPN
Transistor Element MaterialSILICON
Transition Frequency-Nom (fT)100 MHz
Additional FeatureRATED AC VOLTAGE (V): 50
ConstructionRectangular
Mounting FeatureSURFACE MOUNTSURFACE MOUNT
Package Height0.35 mm
Package Length1 mm
Package Width0.5 mm
Rated Power Dissipation (P)0.063 W
Rated Temperature70 °C
Reference StandardAEC-Q200
Resistance52300 Ω
Resistor TypeFIXED RESISTOR
Size Code04022012M/0805
Terminal ShapeWRAPAROUNDWRAPAROUND
Tolerance1%
Working Voltage50 V
Capacitance22 µF
Capacitor TypeCERAMIC CAPACITOR
Dielectric MaterialCERAMIC
Height1.25 mm
MultilayerYES
Negative Tolerance20%
Positive Tolerance20%
Rated (DC) Voltage (URdc)10 V
Temperature Characteristics CodeX5R
Temperature Coefficient15% ppm/°C

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 6 alternatives for 24FC256-I/ST — response within 24 hours.

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Why Look for Alternatives?

Finding alternatives for 24FC256-I/ST 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 24FC256-I/ST 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 24FC256-I/ST?

Known equivalents for 24FC256-I/ST include AQS221FR2S, 24FC256-I/SM, MDC3105LT1G. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of 24FC256-I/ST?

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 24FC256-I/ST 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.