Microcontrollers

Manufacturer Package/Case Series Packaging Product Status Programmable Core Processor Core Size Speed Connectivity Peripherals Number of I/O Program Memory Size Program Memory Type EEPROM Size RAM Size Voltage - Supply (Vcc/Vdd) Data Converters Oscillator Type Operating Temperature Grade Qualification Mounting Type Supplier Device Package Supplier Device Package






























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































Reset All
Apply All
Results:
Photo Mfr. Part # Availability Price Quantity Datasheet Package/Case Series Packaging Product Status Programmable Core Processor Core Size Speed Connectivity Peripherals Number of I/O Program Memory Size Program Memory Type EEPROM Size RAM Size Voltage - Supply (Vcc/Vdd) Data Converters Oscillator Type Operating Temperature Grade Qualification Mounting Type Supplier Device Package
C8051F521-IM Silicon Labs

C8051F521-IM

IC MCU 8BIT 8KB FLASH 10DFN

Silicon Labs

2,557
RFQ
C8051F521-IM Datasheet

Datasheet

10-VFDFN Exposed Pad C8051F52x Tube Obsolete Not Verified 8051 8-Bit 25MHz SPI, UART/USART Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT 6 8KB (8K x 8) FLASH - 256 x 8 2V ~ 5.25V A/D 6x12b Internal -40°C ~ 125°C (TA) - - Surface Mount
C8051F523-IM Silicon Labs

C8051F523-IM

IC MCU 8BIT 4KB FLASH 10DFN

Silicon Labs

4,330
RFQ
C8051F523-IM Datasheet

Datasheet

10-VFDFN Exposed Pad C8051F52x Tube Obsolete Not Verified 8051 8-Bit 25MHz LINbus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT 6 4KB (4K x 8) FLASH - 256 x 8 2V ~ 5.25V A/D 6x12b Internal -40°C ~ 125°C (TA) - - Surface Mount
C8051F524-IM Silicon Labs

C8051F524-IM

IC MCU 8BIT 4KB FLASH 10DFN

Silicon Labs

4,981
RFQ
C8051F524-IM Datasheet

Datasheet

10-VFDFN Exposed Pad C8051F52x Tube Obsolete Not Verified 8051 8-Bit 25MHz SPI, UART/USART Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT 6 4KB (4K x 8) FLASH - 256 x 8 2V ~ 5.25V A/D 6x12b Internal -40°C ~ 125°C (TA) - - Surface Mount
C8051F526-IM Silicon Labs

C8051F526-IM

IC MCU 8BIT 2KB FLASH 10DFN

Silicon Labs

2,913
RFQ
C8051F526-IM Datasheet

Datasheet

10-VFDFN Exposed Pad C8051F52x Tube Obsolete Not Verified 8051 8-Bit 25MHz LINbus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT 6 2KB (2K x 8) FLASH - 256 x 8 2V ~ 5.25V A/D 6x12b Internal -40°C ~ 125°C (TA) - - Surface Mount
C8051F527-IM Silicon Labs

C8051F527-IM

IC MCU 8BIT 2KB FLASH 10DFN

Silicon Labs

2,625
RFQ
C8051F527-IM Datasheet

Datasheet

10-VFDFN Exposed Pad C8051F52x Tube Obsolete Not Verified 8051 8-Bit 25MHz SPI, UART/USART Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT 6 2KB (2K x 8) FLASH - 256 x 8 2V ~ 5.25V A/D 6x12b Internal -40°C ~ 125°C (TA) - - Surface Mount
C8051F531-IM Silicon Labs

C8051F531-IM

IC MCU 8BIT 8KB FLASH 20QFN

Silicon Labs

3,384
RFQ
C8051F531-IM Datasheet

Datasheet

20-VFQFN Exposed Pad C8051F53x Tube Obsolete Not Verified 8051 8-Bit 25MHz SPI, UART/USART Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT 16 8KB (8K x 8) FLASH - 256 x 8 2V ~ 5.25V A/D 16x12b Internal -40°C ~ 125°C (TA) - - Surface Mount
C8051F531-IT Silicon Labs

C8051F531-IT

IC MCU 8BIT 8KB FLASH 20TSSOP

Silicon Labs

4,048
RFQ
C8051F531-IT Datasheet

Datasheet

20-TSSOP (0.173", 4.40mm Width) C8051F53x Tube Obsolete Not Verified 8051 8-Bit 25MHz SPI, UART/USART Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT 16 8KB (8K x 8) FLASH - 256 x 8 2V ~ 5.25V A/D 16x12b Internal -40°C ~ 125°C (TA) - - Surface Mount
C8051F533-IM Silicon Labs

C8051F533-IM

IC MCU 8BIT 4KB FLASH 20QFN

Silicon Labs

1,086
RFQ
C8051F533-IM Datasheet

Datasheet

20-VFQFN Exposed Pad C8051F53x Tube Obsolete Not Verified 8051 8-Bit 25MHz LINbus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT 16 4KB (4K x 8) FLASH - 256 x 8 2V ~ 5.25V A/D 16x12b Internal -40°C ~ 125°C (TA) - - Surface Mount
C8051F533-IT Silicon Labs

C8051F533-IT

IC MCU 8BIT 4KB FLASH 20TSSOP

Silicon Labs

4,286
RFQ
C8051F533-IT Datasheet

Datasheet

20-TSSOP (0.173", 4.40mm Width) C8051F53x Tube Obsolete Not Verified 8051 8-Bit 25MHz LINbus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT 16 4KB (4K x 8) FLASH - 256 x 8 2V ~ 5.25V A/D 16x12b Internal -40°C ~ 125°C (TA) - - Surface Mount
C8051F534-IM Silicon Labs

C8051F534-IM

IC MCU 8BIT 4KB FLASH 20QFN

Silicon Labs

1,172
RFQ
C8051F534-IM Datasheet

Datasheet

20-VFQFN Exposed Pad C8051F53x Tube Obsolete Not Verified 8051 8-Bit 25MHz SPI, UART/USART Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT 16 4KB (4K x 8) FLASH - 256 x 8 2V ~ 5.25V A/D 16x12b Internal -40°C ~ 125°C (TA) - - Surface Mount
C8051F534-IT Silicon Labs

C8051F534-IT

IC MCU 8BIT 4KB FLASH 20TSSOP

Silicon Labs

4,004
RFQ
C8051F534-IT Datasheet

Datasheet

20-TSSOP (0.173", 4.40mm Width) C8051F53x Tube Obsolete Not Verified 8051 8-Bit 25MHz SPI, UART/USART Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT 16 4KB (4K x 8) FLASH - 256 x 8 2V ~ 5.25V A/D 16x12b Internal -40°C ~ 125°C (TA) - - Surface Mount
C8051F536-IM Silicon Labs

C8051F536-IM

IC MCU 8BIT 2KB FLASH 20QFN

Silicon Labs

3,504
RFQ
C8051F536-IM Datasheet

Datasheet

20-VFQFN Exposed Pad C8051F53x Tube Obsolete Not Verified 8051 8-Bit 25MHz LINbus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT 16 2KB (2K x 8) FLASH - 256 x 8 2V ~ 5.25V A/D 16x12b Internal -40°C ~ 125°C (TA) - - Surface Mount
C8051F536-IT Silicon Labs

C8051F536-IT

IC MCU 8BIT 2KB FLASH 20TSSOP

Silicon Labs

4,510
RFQ
C8051F536-IT Datasheet

Datasheet

20-TSSOP (0.173", 4.40mm Width) C8051F53x Tube Obsolete Not Verified 8051 8-Bit 25MHz LINbus, SPI, UART/USART Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT 16 2KB (2K x 8) FLASH - 256 x 8 2V ~ 5.25V A/D 16x12b Internal -40°C ~ 125°C (TA) - - Surface Mount
C8051F537-IM Silicon Labs

C8051F537-IM

IC MCU 8BIT 2KB FLASH 20QFN

Silicon Labs

3,039
RFQ
C8051F537-IM Datasheet

Datasheet

20-VFQFN Exposed Pad C8051F53x Tube Obsolete Not Verified 8051 8-Bit 25MHz SPI, UART/USART Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT 16 2KB (2K x 8) FLASH - 256 x 8 2V ~ 5.25V A/D 16x12b Internal -40°C ~ 125°C (TA) - - Surface Mount
C8051F537-IT Silicon Labs

C8051F537-IT

IC MCU 8BIT 2KB FLASH 20TSSOP

Silicon Labs

4,664
RFQ
C8051F537-IT Datasheet

Datasheet

20-TSSOP (0.173", 4.40mm Width) C8051F53x Tube Obsolete Not Verified 8051 8-Bit 25MHz SPI, UART/USART Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT 16 2KB (2K x 8) FLASH - 256 x 8 2V ~ 5.25V A/D 16x12b Internal -40°C ~ 125°C (TA) - - Surface Mount
C167CRLMHABXQLA1 Infineon Technologies

C167CRLMHABXQLA1

IC MCU 16BIT ROMLESS 144MQFP

Infineon Technologies

1,202
RFQ
C167CRLMHABXQLA1 Datasheet

Datasheet

144-BQFP C16xx Tray Discontinued at Digi-Key Not Verified C166 16-Bit 25MHz CANbus, EBI/EMI, SPI, UART/USART POR, PWM, WDT 111 - ROMless - 4K x 8 4.5V ~ 5.5V A/D 16x10b External 0°C ~ 70°C (TA) - - Surface Mount
C505CA4EMCABXQMA1 Infineon Technologies

C505CA4EMCABXQMA1

IC MCU 8BIT 32KB OTP 44MQFP

Infineon Technologies

3,021
RFQ
C505CA4EMCABXQMA1 Datasheet

Datasheet

44-QFP C5xx/C8xx Tray Obsolete Not Verified C500 8-Bit 20MHz CANbus, EBI/EMI, UART/USART POR, PWM, WDT 34 32KB (32K x 8) OTP - 1.25K x 8 4.25V ~ 5.5V A/D 8x10b External 0°C ~ 70°C (TA) - - Surface Mount
C161CSLFCAFXQMA1 Infineon Technologies

C161CSLFCAFXQMA1

IC MCU 16BIT ROMLESS 128TQFP

Infineon Technologies

2,500
RFQ
C161CSLFCAFXQMA1 Datasheet

Datasheet

128-LQFP C16xx Tape & Reel (TR) Obsolete Not Verified C166 16-Bit 25MHz CANbus, EBI/EMI, I2C, SPI, UART/USART POR, PWM, WDT 93 - ROMless - 10K x 8 4.5V ~ 5.5V A/D 12x10b Internal -40°C ~ 85°C (TA) - - Surface Mount
C161KLM3VHAFXUMA1 Infineon Technologies

C161KLM3VHAFXUMA1

IC MCU 16BIT ROMLESS 80MQFP

Infineon Technologies

2,439
RFQ
C161KLM3VHAFXUMA1 Datasheet

Datasheet

80-QFP C16xx Tape & Reel (TR) Obsolete Not Verified C166 16-Bit 20MHz EBI/EMI, SPI, UART/USART POR, PWM, WDT 63 - ROMless - 1K x 8 3V ~ 3.6V - External -40°C ~ 85°C (TA) - - Surface Mount
C161KLMHAFXQMA1 Infineon Technologies

C161KLMHAFXQMA1

IC MCU 16BIT ROMLESS 80MQFP

Infineon Technologies

3,692
RFQ
C161KLMHAFXQMA1 Datasheet

Datasheet

80-QFP C16xx Tray Obsolete Not Verified C166 16-Bit 20MHz EBI/EMI, SPI, UART/USART POR, PWM, WDT 63 - ROMless - 1K x 8 4.5V ~ 5.5V - External -40°C ~ 85°C (TA) - - Surface Mount

Microcontrollers Electronic Components Sourcing and Lifecycle Support

FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing Microcontrollers components, we support both current production requirements and long-term component availability across demanding product lifecycles.

Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.

How FPGAX Supports Microcontrollers Requirements

  • Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
  • End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
  • Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
  • Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
  • Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.

Supply Support at a Glance

Requirement FPGAX Support
Current production Active FPGA, programmable logic, and semiconductor component sourcing
Legacy programs End-of-life and hard-to-find component sourcing
Supply continuity Lifecycle transition and long-term availability support
Quality requirements Traceable sourcing and quality-management processes

Focused on FPGA and Programmable Logic Supply

FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.

Microcontrollers FAQ

Can FPGAX source both active and end-of-life Microcontrollers components?

Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.

Which programmable logic manufacturers does FPGAX support?

Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.

How does FPGAX help with component lifecycle changes?

We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.

What quality and traceability standards does FPGAX follow?

FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.

What information should I provide for a Microcontrollers sourcing request?

Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.