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Alternative part analysis

C8051F311-GM replacements, alternatives, and cross reference

Compare mapped replacement and alternative options for C8051F311-GM, then verify package, specifications, and application fit before approval.

Compare C8051F311-GM against mapped replacement options
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This product currently does not show a published cross-reference list. Use RFQ support if your team needs an alternative part review.

Specification view

Parameter Comparison Chart

A side-by-side view of the source part and its mapped alternatives so buyers and engineers can screen package, availability, lifecycle, and key descriptors before RFQ.

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Parameter Comparison Chart
Current part
C8051F311-GM

Silicon Labs

Part NumberC8051F311-GM
ManufacturerSilicon Labs
CategoryIntegrated Circuits (ICs)
SubcategoryEmbedded - Microcontrollers
Package-
SeriesC8051F31x
Key Attributes-
DescriptionIC MCU 8BIT 16KB FLASH 28QFN
Lifecycle-
Stock144,435
Available71,042
Min Order1
DatasheetAvailable
JESD-609 Codee3
Moisture Sensitivity Level (MSL)1 (Unlimited)
RoHS StatusROHS3 Compliant
REACH SVHCNo SVHC
HTSUS8542.31.0001
ECCNEAR99
Lead FreeLead Free
PackagingTube
Mounting TypeSurface Mount
CategoriesIntegrated Circuits (ICs)
TechnologyCMOS
Terminal PositionQUAD
Operating Temperature-40°C~85°C TA
Supply Voltage3V
SubcategoryMicrocontrollers
Sub-CategoriesEmbedded - Microcontrollers
Part StatusNot For New Designs
Height950μm
Package / Case28-VFQFN Exposed Pad
Surface MountYES
Contact PlatingTin
Radiation HardeningNo
Number of Terminations28
Number of Pins28
Pin Count28
Number of Bits8
Pbfree Codeyes
Length5mm
Operating Supply Voltage3.3V
Number of I/O25
Frequency25MHz
Lead Pitch800μm
Width5mm
ManufacturerSilicon Labs
Number of ADC Channels17
Row Spacing5 mm
Interface2-Wire, I2C, SMBus, SPI, UART, USART
Base Part NumberC8051F31
SeriesC8051F31x
Manufacturer's Part No.C8051F311-GM
Supply Voltage-Max (Vsup)3.6V
Oscillator TypeInternal
Density128 kb
Memory Size16kB
Core Size8-Bit
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER
Program Memory Size16KB 16K x 8
PeripheralsPOR, PWM, Temp Sensor, WDT
Bit Size8
Program Memory TypeFLASH
DMA ChannelsNO
Data Bus Width8b
Number of I2C Channels1
Has ADCYES
PWM ChannelsNO
Number of Timers/Counters4
Voltage - Supply (Vcc/Vdd)2.7V~3.6V
Number of Channels5
Core Processor8051
Access Time25 μs
Data ConverterA/D 17x10b
RAM Size1.25K x 8
ConnectivitySMBus (2-Wire/I2C), SPI, UART/USART
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Cross-reference FAQ

Replacement Part Questions

Short answers for teams reviewing C8051F311-GM replacement and equivalent-part options.

What is a cross-reference page for C8051F311-GM?

This page groups mapped replacement options for C8051F311-GM so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.

Does a mapped alternative mean a guaranteed drop-in replacement for C8051F311-GM?

Not automatically. Cross-reference mapping helps shortlist candidates, but package, electrical behavior, qualification scope, and approval rules still need to be checked before release.

Which parameters should teams compare first for C8051F311-GM alternatives?

Start with package, series, key attributes, lifecycle status, stock position, datasheet access, and the mapped pin-to-pin or cross-reference note. Then confirm application-specific requirements in the datasheet and RFQ stage.

Can I request a quote for an alternative to C8051F311-GM?

Yes. Use the product links or RFQ actions on this page to request pricing, availability, documentation, and sourcing support for any listed alternative part.

Is C8051F311-GM obsolete, and what replacement should buyers review first?

Check the lifecycle row on this page first. If buyers need a fast starting point, the strongest mapped replacement currently surfaced here is , followed by the other alternatives shown in the comparison table.

Engineering support

Need help validating the replacement path?

If your team is unsure whether a mapped alternative to C8051F311-GM from Silicon Labs is really usable, contact us for help on package fit, pin compatibility, key parameter gaps, and qualification-facing review questions.

Contact a hardware engineer

Email our engineering support contact at [email protected], or use the contact page if the question should be routed across sourcing, engineering, and support.

Package and pin compatibility

Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.

Parameter and function gaps

Surface the electrical, interface, or application-fit questions that still need confirmation before approval.

Qualification and approval prep

Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.