MCP23S18-E/MJAlternatives & Equivalent Parts

About MCP23S18-E/MJ

MCP23S18-E/MJ is a Integrated Circuit component manufactured by Microchip. It comes in a Quad Flat No-Lead package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterMCP23S18-E/MJSourceMCP23S18T-E/MJADR443ARMZHMC892ALP5ETG110-RPE5N5LFLAN9221I-ABZJADP3330ARTZ3.3-RL7MCP23S17-E/MLMCP23S17T-E/ML
ManufacturerMicrochipMicrochipAnalog DevicesAnalog DevicesHalo ElectronicsMicrochipAnalog DevicesMicrochipMicrochip
Package TypeQuad Flat No-LeadQuad Flat No-LeadSmall Outline PackagesQuad Flat No-LeadOtherQuad Flat No-LeadSOT23 (6-Pin)Quad Flat No-LeadQuad Flat No-Lead
Pin Count2424832165662828
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°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-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C
Price$1.5846$1.5600$5.2000$98.2700$2.0661$8.5500$1.7500$1.5042$1.1200
StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Manufacturer Package CodeQFN-24QFN-24RM-8CP-32-12VQFN-56RJ-6VQFN-28VQFN-28
Factory Lead Time6 Weeks6 Weeks14 Weeks7 Weeks7 Weeks7 Weeks
YTEOL99108.57.2991088
Clock Frequency-Max10 MHz10 MHz25 MHz10 MHz10 MHz
JESD-30 CodeS-PQCC-N24S-PQCC-N24S-PDSO-G8S-PQCC-N56R-PDSO-G6S-PQCC-N28S-PQCC-N28
JESD-609 Codee3e3e4e3e3e3e4e3e3
Number of Bits16161616
Number of I/O Lines161631616
Number of Ports2222
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeLCC24,.16SQ,20LCC24,.16SQ,20TSSOP8,.19LCC56,.31SQ,20TSOP6,.11,37LCC28,.24SQ,25LCC28,.24SQ,25
Package ShapeSQUARESQUARESQUARESQUARERECTANGULARSQUARESQUARE
Package StyleCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILECHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILESMALL OUTLINE, THIN PROFILE, SHRINK PITCHCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILESMALL OUTLINE, LOW PROFILE, SHRINK PITCHCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILECHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)260260260260260260260
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
Supply Current-Max1 mA1 mA48 mA1 mA1 mA
Supply Voltage-Max5.5 V5.5 V3.63 V5.5 V5.5 V
Supply Voltage-Min1.8 V1.8 V2.97 V4.5 V4.5 V
Supply Voltage-Nom5 V5 V3.3 V5 V5 V
Surface MountYESYESYESYESYESYESYESYES
TechnologyCMOSCMOSCMOSBIPOLARCMOSCMOS
Temperature GradeAUTOMOTIVEAUTOMOTIVEAUTOMOTIVEINDUSTRIALAUTOMOTIVEAUTOMOTIVE
Terminal FinishMatte Tin (Sn)Matte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn) - annealedMatte Tin (Sn) - reflowed over Nickel (Ni) barrierMatte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)Matte Tin (Sn)
Terminal FormNO LEADNO LEADGULL WINGNO LEADGULL WINGNO LEADNO LEAD
Terminal Pitch0.5 mm0.5 mm0.65 mm0.5 mm0.95 mm0.65 mm0.65 mm
Terminal PositionQUADQUADDUALQUADDUALQUADQUAD
uPs/uCs/Peripheral ICs TypePARALLEL IO PORT, GENERAL PURPOSEPARALLEL IO PORT, GENERAL PURPOSESERIAL IO/COMMUNICATION CONTROLLER, LANPARALLEL IO PORT, GENERAL PURPOSEPARALLEL IO PORT, GENERAL PURPOSE
## MCP23S18-E/MJ Alternates Showing resultsImage
Time@Peak Reflow Temperature-Max (s)40304040
Pbfree CodeNoNoNoYesYes
Additional FeatureOUTPUT VOLTAGE CAN BE ADJUSTED OVER A 0.5 PERCENT RANGE USING TRIM PINHEIGHT DIMENSION INCLUDES TERMINAL ALSO
Analog IC - Other TypeTHREE TERMINAL VOLTAGE REFERENCE
Number of Functions111
Number of Outputs11
Output Current-Max0.01 A
Output Voltage-Max3.004 V
Output Voltage-Min2.996 V
Output Voltage-Nom3 V
Supply Voltage-Max (Vsup)18 V
Supply Voltage-Min (Vsup)3.5 V
Supply Voltage-Nom (Vsup)5 V
Temp Coef of Voltage-Max10 ppm/°C
Trim/Adjustable OutputYES
Voltage Tolerance-Max0.13%1.4%
3dB Bandwidth8.7%
Average Input Power0.01 W
Filter TypeTUNABLE BPF
Height0.75 mm6.35 mm
Input/Output Impedance50 OHM
Insertion Loss-Max9.5 dB
Mounting TypeSURFACE MOUNT
Number of Sections-Max1
Number of Sections-Min1
Tuning Frequency-Max6250 MHz
Tuning Frequency-Min3450 MHz
Application10/100 BASE-TX; ETHERNET
Isolation Voltage1500 V
Mounting FeatureSURFACE MOUNT
Transformer TypeDATACOM TRANSFORMER
Address Bus Width8
Boundary ScanNO
Communication ProtocolASYNC, BIT; SYNC, BYTE; ETHERNET
Data Encoding/Decoding MethodNRZ; NRZI; BIPH-LEVEL(MANCHESTER)
Data Transfer Rate-Max12.5 MBps
External Data Bus Width16
Low Power ModeYES
Number of Serial I/Os1
On Chip Data RAM Width8
RAM (words)16384
Screening LevelTS 16949
## LAN9221I-ABZJ Alternates Showing resultsImage
AdjustabilityFIXED
Dropout Voltage1-Max0.23 V
Dropout Voltage1-Nom0.14 V
Input Voltage Absolute-Max16 V
Input Voltage-Max12 V
Input Voltage-Min3.55 V
Operating Temperature TJ-Max125 °C
Operating Temperature TJ-Min-40 °C
Output Current1-Max0.2 A
Output Voltage1-Max3.3462 V
Output Voltage1-Min3.2538 V
Output Voltage1-Nom3.3 V
Packing MethodTR, 7 INCH
Regulator TypeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
CPU FamilyMCP23X17MCP23X17
## MCP23S17T-E/ML Alternates Showing resultsImage

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

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Quick Links

MCP23S18T-E/MJby Microchip Technology Inc

16-Bit, Open Drain I/O Expander with I2C Interface

MCP23S17-E/MLby Microchip Technology Inc

16-BIT I/O EXPANDERS WITH I2C & SPI INTERFACE

MCP23S17T-E/MLby Microchip Technology Inc

16-BIT I/O EXPANDERS WITH I2C & SPI INTERFACE

Why Look for Alternatives?

Finding alternatives for MCP23S18-E/MJ 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 MCP23S18-E/MJ 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 MCP23S18-E/MJ?

Known equivalents for MCP23S18-E/MJ include MCP23S18T-E/MJ, ADR443ARMZ, HMC892ALP5E. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of MCP23S18-E/MJ?

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 MCP23S18-E/MJ 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.