Infineon Technologies CY8C4124LQS-S423T
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $12.47 | $12.47 |
| 15+ | $2.87 | $43.05 |
| 25+ | $2.81 | $70.25 |
| 50+ | $2.65 | $132.50 |
| 100+ | $2.34 | $234.00 |
| N+ | $0.47 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Infineon Technologies |
| Product Series | PSOC™ 4 CY8C4100S Plus |
| Packaging | Tape & Reel (TR) | NULL |
| Core Processor | ARM® Cortex®-M0+ |
| Core Size | 32-Bit |
| Speed | 24MHz |
| Connectivity | I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART |
| Peripherals | Brown-out Detect/Reset, CapSense, LCD, LVD, POR, PWM, WDT |
| Number of I/O | 34 |
| Program Memory Size | 16KB (16K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 4K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 5.5V |
| Data Converters | A/D 16x10b, 12x12b SAR; D/A 2x7b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Grade | Automotive |
| Qualification AEC | AEC-Q100 |
| Mounting Type | Surface Mount |
| Supplier Device Package | 40-QFN (6x6) |
| Package / Case | 40-UFQFN Exposed Pad |
| ROHS |
The Infineon CY8C4124LQS-S423T is a 32-bit ARM Cortex-M0+ MCU running at 24MHz. It features 16KB flash and 4KB RAM in a 40-UFQFN package. With integrated CapSense, LCD driver, and a 1.71V to 5.5V supply, it is optimized for human-machine interface and low-power applications.
- Integrated CapSense – eliminates external touch controllers, saving cost and space.
- Ultra-low 1.71V operation – extends battery life in portable devices.
- ARM Cortex-M0+ core – industry-standard architecture with broad tool support.
- 40-UFQFN with exposed pad – excellent thermal performance for compact designs.
Touch-Sensitive Control Panels
Integrated CapSense eliminates external touch ICs, reducing BOM cost in white goods.
Wearable Health Monitors
1.71V operation and 4KB RAM support low-power sensor fusion in fitness bands.
Smart Home Thermostats
LCD driver and CapSense enable sleek UI, while 24MHz Cortex-M0+ handles PID algorithms.
Industrial HMI Keypads
CapSense with 5.5V tolerance works with gloved hands in factory environments.
Battery-Powered IoT Sensors
Low voltage and PWM outputs drive wireless modules and LEDs in environmental monitors.
Automotive Interior Lighting
Brown-out detection and 105°C rating support LED ambient lighting modules.
- Q: What core does this MCU use?
- A: ARM Cortex-M0+ at 24MHz.
- Q: What is the voltage range?
- A: 1.71V to 5.5V.
- Q: Does it support CapSense?
- A: Yes, integrated CapSense for touch sensing.
- Q: How much flash and RAM?
- A: 16KB flash and 4KB RAM.
- Q: What package is it?
- A: 40-UFQFN with exposed pad.
- Q: What core does this MCU use?
- A: ARM Cortex-M0+ at 24MHz.
- Q: What is the voltage range?
- A: 1.71V to 5.5V.
- Q: Does it support CapSense?
- A: Yes, integrated CapSense for touch sensing.
- Q: How much flash and RAM?
- A: 16KB flash and 4KB RAM.
- Q: What package is it?
- A: 40-UFQFN with exposed pad.

CY8C4124LQS-S423T.pdf