Infineon Technologies CY8C4127AZE-S455
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $21.28 | $21.28 |
| 15+ | $4.89 | $73.35 |
| 25+ | $4.79 | $119.75 |
| 50+ | $4.52 | $226.00 |
| 100+ | $3.99 | $399.00 |
| N+ | $0.80 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Infineon Technologies |
| Product Series | PSOC™ 4 CY8C4000S |
| Packaging | Tray | 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, POR, PWM, WDT |
| Number of I/O | 54 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 16K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 5.5V |
| Data Converters | A/D 16x10b, 20x12b SAR |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 64-TQFP (10x10) |
| Package / Case | 64-LQFP |
| ROHS |
The Infineon CY8C4127AZE-S455 is a PSoC 4 MCU with an ARM Cortex-M0+ core at 24MHz. It features 128KB flash and 16KB RAM, along with integrated CapSense touch sensing and LCD drive. Operating from 1.71V to 5.5V and -40°C to 125°C, it is versatile for automotive and consumer applications.
- Integrated CapSense: Eliminates external touch controllers, reducing cost and board space.
- Wide voltage range (1.71V-5.5V): Supports battery and 5V systems directly.
- High-temperature rating (125°C): Suitable for under-hood automotive applications.
- LCD drive capability: Enables direct glass LCD interface without additional driver ICs.
Touch-Sensitive Control Panels
The integrated CapSense technology enables reliable capacitive touch buttons and sliders without external touch ICs.
Automotive Climate Control
With 125°C rating and LCD support, it can drive dashboard displays and touch interfaces in harsh environments.
White Goods User Interfaces
Its low power and CapSense make it ideal for washing machines and microwaves with touch controls.
Portable Medical Devices
The 1.71V operation allows direct battery operation for glucose meters and thermometers.
Smart Home Sensors
With PWM and WDT, it can manage environmental sensors and communicate over low-power networks.
Industrial Keypads
The robust temperature range and CapSense provide durable, sealed keypads for factory floor equipment.
- Q: What core does the CY8C4127AZE-S455 use?
- A: It uses the ARM Cortex-M0+ core at 24MHz.
- Q: What is unique about this MCU?
- A: It integrates CapSense touch sensing and LCD drive capabilities.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 5.5V, supporting both low-power and standard applications.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 125°C, suitable for automotive and industrial use.
- Q: What core does the CY8C4127AZE-S455 use?
- A: It uses the ARM Cortex-M0+ core at 24MHz.
- Q: What is unique about this MCU?
- A: It integrates CapSense touch sensing and LCD drive capabilities.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 5.5V, supporting both low-power and standard applications.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 125°C, suitable for automotive and industrial use.

CY8C4127AZE-S455.pdf