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Integrated Circuits (ICs)

CY8C3666AXI-052T

MCU 8-Bit PSoC 8051 CISC 64KB Flash 3.3V/5V 100-Pin TQFP T/R

The Infineon MCU 8-Bit PSoC 8051 CISC is a versatile and powerful microcontroller designed for a wide range of embedded applications. Featuring a robust 8051 core architecture, this microcontroller supports a variety of interfaces and peripherals, making it ideal for complex control tasks. With 64KB of Flash memory and 8KB of RAM, it provides ample storage for your applications while operating efficiently at supply voltages between 1.7V and 5.5V. Packaged in a 100-pin TQFP format, it is suitable

BrandInfineon
PackageTQFP
Device TypeMicrocontrollers

Full Specifications

Case/PackageLQFP
Number of Pins100
Core Architecture8051
Data Bus Width8b
Number of I/Os62
InterfaceEBI/EMI, I2C, LIN, SPI, UART, USART
Memory TypeFLASH
Memory Size64kB
Min Supply Voltage1.7V
Max Supply Voltage5.5V
PeripheralsCapSense, DMA, POR, PWM, WDT
Lifecycle StatusProduction
Frequency67MHz
Max Operating Temperature85°C

About This Product

The Infineon MCU 8-Bit PSoC 8051 CISC is a versatile and powerful microcontroller designed for a wide range of embedded applications. Featuring a robust 8051 core architecture, this microcontroller supports a variety of interfaces and peripherals, making it ideal for complex control tasks. With 64KB of Flash memory and 8KB of RAM, it provides ample storage for your applications while operating efficiently at supply voltages between 1.7V and 5.5V. Packaged in a 100-pin TQFP format, it is suitable for both commercial and industrial environments, ensuring reliable performance even in challenging conditions.

What is this product used for?

Suitable for design, repair, and production programs using Microcontrollers devices.

Key Features

  • Case/Package: LQFP
  • Number of Pins: 100
  • Interface: EBI/EMI, I2C, LIN, SPI, UART, USART
  • Lifecycle Status: Production
  • Core Architecture: 8051
  • Data Bus Width: 8b

Typical Use Cases

Embedded Processors and Controllers Microcontrollers TQFP Microcontrollers

Sourcing Support for This MPN

Contact JaronSemi to confirm package, date code, and traceability requirements.

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  • Approved-alternate and cross-reference review when the requested line is constrained
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RFQ Checklist

Part number Confirm the target MPN or suggest approved alternates
Target Quantity Sample, pilot run, or mass production volume
Project stage Prototype, NPI, or ongoing production
Target price Budget or target price range if available
MCU 8-Bit PSoC 8051 CISC 64KB Flash 3.3V/5V 100-Pin TQFP T/R

CY8C3666AXI-052T

Infineon

The Infineon MCU 8-Bit PSoC 8051 CISC is a versatile and powerful microcontroller designed for a wide range of embedded applications. Featuring a robust 8051 core architecture, this microcontroller supports a variety of interfaces and peripherals, making it ideal for complex control tasks. With 64KB of Flash memory and 8KB of RAM, it provides ample storage for your applications while operating efficiently at supply voltages between 1.7V and 5.5V. Packaged in a 100-pin TQFP format, it is suitable

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  • Sample to production quantities
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