STM8S903K3T6CAlternatives & Equivalent Parts

About STM8S903K3T6C

STM8S903K3T6C is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Quad Flat 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

ParameterSTM8S903K3T6CSourceSTM8S208MBT6BSTM8S207RBT6CADN8810ACPZM25P16-VMF6PGRM31CR72E104KW03LSTM8S903K3T6CTR
ManufacturerSTMicroelectronicsSTMicroelectronicsSTMicroelectronicsAnalog DevicesSTMicroelectronicsMurata ElectronicsSTMicroelectronics
Package TypeQuad Flat PackagesQuad Flat PackagesQuad Flat PackagesQuad Flat No-LeadSmall Outline PackagesCapacitor Chip Non-polarisedQuad Flat Packages
Pin Count3280642416232
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-40.0°C ~ 85.0°C-55.0°C ~ 125.0°C-40.0°C ~ 85.0°C
Price$1.0885$2.5200$1.9295$9.9700$6.7911$0.0496$0.9790
StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVETRANSFERREDACTIVEACTIVE
Electrical Parameters
Factory Lead Time10 Weeks10 Weeks10 Weeks16 Weeks10 Weeks
YTEOL99910039
Has ADCYESYESYESYES
Bit Size8888
Boundary ScanYESNONOYES
CPU FamilySTM8STM8STM8STM8
Clock Frequency-Max16 MHz24 MHz24 MHz16 MHz
DAC ChannelsNONONONO
DMA ChannelsNONONONO
JESD-30 CodeS-PQFP-G32S-PQFP-G80S-PQFP-G64S-XQCC-N24R-PDSO-G16S-PQFP-G32
JESD-609 Codee4e3e1e3e3
Number of I/O Lines24685224
On Chip Program ROM Width328832
PWM ChannelsYESYESYESYES
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYUNSPECIFIEDPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeQFP32,.35SQ,32QFP80,.63SQQFP64,.63SQ,32SOP16,.4QFP32,.35SQ,32
Package ShapeSQUARESQUARESQUARESQUARERECTANGULARRECTANGULAR PACKAGESQUARE
Package StyleFLATPACK, LOW PROFILEFLATPACK, LOW PROFILEFLATPACK, LOW PROFILECHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILESMALL OUTLINESMTFLATPACK, LOW PROFILE
Peak Reflow Temperature (Cel)235250260260260NOT SPECIFIED
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
RAM (bytes)1024614461441024
ROM (words)20481310721310722048
ROM ProgrammabilityFLASHFLASHFLASHFLASH
Speed16 MHz24 MHz24 MHz16 MHz
Supply Current-Max4.75 mA18 mA18 mA0.015 mA4.75 mA
Supply Voltage-Max5.5 V5.5 V5.5 V5.5 V
Supply Voltage-Min3.3 V3.3 V3.3 V3.3 V
Supply Voltage-Nom3.3 V3.3 V3.3 V3.3 V
Surface MountYESYESYESYESYESYESYES
TechnologyCMOSCMOSCMOSCMOSCMOS
Temperature GradeINDUSTRIALINDUSTRIALINDUSTRIALINDUSTRIALINDUSTRIALINDUSTRIAL
Terminal FinishNickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)Matte Tin (Sn) - annealedTin/Silver/Copper (Sn/Ag/Cu)Matte Tin (Sn)Matte Tin (Sn) - with Nickel (Ni) barrier
Terminal FormGULL WINGGULL WINGGULL WINGNO LEADGULL WINGGULL WING
Terminal Pitch0.8 mm0.65 mm0.8 mm0.5 mm1.27 mm0.8 mm
Terminal PositionQUADQUADQUADQUADDUALQUAD
Time@Peak Reflow Temperature-Max (s)3030303030NOT SPECIFIED
uPs/uCs/Peripheral ICs TypeMICROCONTROLLERMICROCONTROLLERMICROCONTROLLERMICROCONTROLLER
Additional FeatureWHEN TEMPERATURE IS GREATER THAN 105 DEGREE CELCIUS, MICROCONTROLLER SPEED WILL BE REDUCED TO 16 MHZWHEN TEMPERATURE IS GREATER THAN 105 DEGREE CELCIUS, MICROCONTROLLER SPEED WILL BE REDUCED TO 16 MHZIT ALSO REQUIRES A 3V TO 3.6V & A 3V TO 5.5V SUPPLY
FormatFIXED POINTFIXED POINT
Integrated CacheNONO
Low Power ModeYESYES
Number of External Interrupts3736
Number of Timers44
On Chip Data RAM Width88
RAM (words)61446144
Pbfree CodeNoYesYes
Manufacturer Package CodeCP-24-10
Analog IC - Other TypeANALOG CIRCUIT
Number of Functions11
Supply Voltage-Max (Vsup)5.5 V3.6 V
Supply Voltage-Min (Vsup)4.5 V2.7 V
Supply Voltage-Nom (Vsup)5 V3 V
## ADN8810ACPZ Alternates Showing resultsImage
Clock Frequency-Max (fCLK)25 MHz
Data Retention Time-Min20
Endurance100000 Write/Erase Cycles
Memory Density16777216 bit
Memory IC TypeFLASH
Memory Width8
Number of Words2097152 words
Number of Words Code2000000
Operating ModeSYNCHRONOUS
Organization2MX8
Parallel/SerialSERIAL
Programming Voltage2.7 V
Serial Bus TypeSPI
Standby Current-Max0.00001 A
TypeNOR TYPE
Write Cycle Time-Max (tWC)15 ms
Write ProtectionHARDWARE/SOFTWARE
Reach Compliance CodeCompliant
Capacitance0.1 µF
Capacitor TypeCERAMIC CAPACITOR
Dielectric MaterialCERAMIC
Height1.6 mm
Mounting FeatureSURFACE MOUNT
MultilayerYes
Negative Tolerance10%
Packing Method180mm Reel Embossed Tape
Positive Tolerance10%
Rated (DC) Voltage (URdc)250 V
Size Code3216M/1206
Temperature Characteristics CodeX7R
Temperature Coefficient15% ppm/°C
Terminal ShapeWRAPAROUND

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 STM8S903K3T6C — response within 24 hours.

Quick Links

STM8S903K3T6CTRby STMicroelectronics

Microcontroller, 8-Bit, FLASH, STM8 CPU, 16MHz, CMOS, PQFP32

Why Look for Alternatives?

Finding alternatives for STM8S903K3T6C 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 STM8S903K3T6C 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 STM8S903K3T6C?

Known equivalents for STM8S903K3T6C include STM8S208MBT6B, STM8S207RBT6C, ADN8810ACPZ. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of STM8S903K3T6C?

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 STM8S903K3T6C 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.